What are the delivery timeframes for USPS Ground Advantage?

USPS Ground Advantage delivery is expected in 2-5 days for mailable items up to 70 lbs. Service may be slower for packages going to certain locations or containing hazardous materials or live animals.

How can I get mail hand-canceled with a specific postmark date?

Ask a retail associate at a Post Office retail counter to hand-cancel your mail for free to ensure it receives a postmark on the day you mail it.

What is required to change my address using the USPS online tool?

You will need to verify your identity, pay a $1.25 identity verification fee, and complete the required form.

What are the PO Box size options?

Most Post Offices have 5 PO Box sizes ranging from extra small (XS - Size 1) to extra large (XL - Size 5), with depths of most boxes being 14.75 inches. Not all sizes are available in all locations.

What are the payment options for a PO Box?

You can pay online with a credit or debit card, at a self-service kiosk, by mail with a check or money order, or in person at the Post Office with cash, check, credit, or debit card.

USPS

The United States Postal Service provides customer support for its PostalOne! system, offering assistance with features, application processes, technical questions, passwords, and file transmission.

Website:: https://www.usps.com/postalone/contact.htm
Phone:: (800) 522-9085
Location:: PostalOne! Customer Care Center, USPS-NCSC, 225 N. Humphreys Blvd Ste 501, Memphis, TN 38188-1001

ADA signage
Banners
Brochures
Carbonless forms
Channel letters
Commercial printing
Design services
Die cutting
Digital printing
Dimensional signage
Direct mail
Embroidery
Envelopes
Flyers
Foil stamping
Labels
Mailing services
Monument signs
Offset printing
Online ordering
Postcards
Screen printing
Stationery
Vehicle wraps
Apparel
Commercial printer
Finishing
Fulfillment provider
Label supplier
Mailing house
Packaging supplier
Promotional products supplier
Software provider
Trade printer
digital marketing
API provider
financial services
software vendor
address validation
API services
tracking services
pricing services
technology provider
shipping
package delivery
e-commerce services
postal service
postal services
transportation management
domestic shipping
international shipping
package tracking
informed delivery
PO Boxes
stamps
shipping supplies
mail forwarding
change of address
package pickup
hold mail
money orders
passport services
Priority Mail Express
Priority Mail
USPS Ground Advantage
First-Class Mail
Media Mail
Package Services
Periodicals
Marketing Mail
Priority Mail Express International
Priority Mail International
First-Class Package International Service
First-Class Mail International
Click-N-Ship
Label Broker
USPS Smart Lockers
Custom Mail, Cards, & Envelopes
Personalized Stamped Envelopes
Every Door Direct Mail (EDDM)
Informed Delivery Marketing
USPS Connect
USPS Connect eCommerce
USPS Connect Local
USPS & Web Tools APIs
Postage Verification
Returns Services
International Business Shipping
Managing Business Mail
hand-cancel postage
Insurance
Signature Confirmation
Return Receipt
Certificate of Mailing
Registered Mail
Restricted Delivery
Adult Signature Required
Adult Signature Restricted Delivery
Collect on Delivery (COD)
Hold For Pickup
USPS Tracking Plus
USPS Label Delivery Service
mailing tax returns
ZIP Code Lookup
Transit Time Map
customs forms
HS Codes
claim filing
refund requests
package redirection
mail for the deceased
shipping restrictions
holiday schedules
international shipping restrictions
mailing guidelines
Express mail
Ground shipping
Customizable mail
Letters
Click-N-Ship online shipping
Label printing services
Label Broker service
Label Delivery service
Business shipping solutions
Volume discounts
Negotiated service agreements
HAZMAT shipping (restricted)
Cremated remains shipping
Returns management
International price lists
Domestic price lists
Price calculator tool
Service standards map
Address management system data
military mail services
diplomatic mail services
package intercept
customs forms processing
postage label printing
hand-cancellation
free shipping supplies
APO/FPO/DPO shipping
claims filing
PO box services
Street Addressing Service
Signature on File
Package reception for private carriers (UPS, FedEx, DHL, Amazon)
Mail forwarding (with limitations)
retail mailing
BMEU mailing
delivery route selection
USPS Marketing Mail flats
Every Door Direct Mail Retail
Priority Mail shipments
saturation mailing
retail mailings
neighborhood targeting
postal route delivery
oversized postcard printing
tri-fold mailer printing
political mail
political mail handling
mail visibility solutions
variable data printing (VDP)
customized printing
one-to-one marketing
QR code integration
PURL creation
digital preview
marketing campaigns
custom images
branded content
digital delivery notifications
interactive campaigns
ride-along images
representative images
interactive links
brand display name
package tracking notifications
Informed Delivery® Interactive Campaigns
Digital Notifications
Mailpiece Imaging
Campaign Submission
Mailer Campaign Portal (MCP)
PostalOne! Submission
Pre-campaign Analysis
Post-campaign Analysis
Customer Acceptance Testing (CAT)
Interactive Campaign Guides
Campaign Template Creation
Media Storage
URL Tracking
URL Parameters
mail delivery notifications
data analytics
campaign reporting
IMb certification
Intelligent Mail Barcode (IMb)
Mailer ID (MID)
PostalOne! submissions
Mail.dat submissions
Mail.xml submissions
campaign preview
email open rate tracking
click-through rate tracking
Mailer Campaign Portal
Campaign Creation
Campaign Management
Media Upload
Image Upload
URL Linking
Social Media Sharing
URL Parameter Integration
digital digest emails
dashboard content
package tracking integration
full color interactive content
JPEG image creation
RGB color code
image resizing
image dimension verification
color code conversion (CMYK to RGB)
digital mail integration
campaign tracking
personalized URLs
API integration
CSV upload
reporting
brand exposure
customer engagement
package campaigns
ecommerce marketing
shipper campaign portal
application programming interface
informed coupons
international sales
international partnerships
sales representation
API migration
Web Tools API retirement
USPS API platform
Developer Portal
RESTful architecture
OAuth 2.0 authentication
Addresses API
Carrier Pickup API
Containers API
Domestic Labels API
Domestic Prices API
International Labels API
Tracking 3.0 API
Tracking 3.2 API
Subscriptions - Tracking 3.0 API
Subscriptions - Tracking 3.2 API
Scan Event Extract & Tracking API
Address Standardization
City/State lookup
Package labeling
Postage calculation
Shipping Services File generation
Real-time tracking
Delivery status updates
API documentation
Example code
Migration guides
Developer support
label generation
contract pricing
shipping rates
subscription management
tracking
addresses
domestic pricing
international pricing
locations
service standards
shipping options
user info
OAuth 2.0
API key generation
API support
shipping APIs
mailing APIs
Addressing Validation
Domestic Price Calculator
International Price Calculator
Domestic Service Standards
Service Delivery Calculator
eVS Domestic Labels
eVS International Labels
Scan Form
USPS Returns Labels
Post Office Locations
Hold for Pickup Facilities Lookup
Parcel Locker Lookup
Check Pickup Availability
Schedule a Pickup
Cancel a Pickup
Update a Pickup
Tracking by Email
Proof of Delivery
API development
shipping label generation
price calculation
customer registration API
informed delivery API
commercial package intercept API
money order inquiry
money order refund processing
money order copy retrieval
check status of inquiry
web tools api
TLS 1.2 Compliance
Package Intercept Status
Package Intercept Hold For Pickup
Package Intercept Redirect
Package Intercept Return to Sender
EDDMR
Forever Prepaid Label
Forever Prepaid Label Certify
Verify
White Label (CNSBPro) Customer Registration Validation
White Label (CNSBPro) Registration Add
White Label (CNSBPro) Customer Registration Update
wlAuthenticate
wICRAdd
wICRUpdate
Priority Mail Express service standards
ExpressMail API
ExpressMailCommitment API
postage payment
batch shipments
electronic manifest files
customized shipping needs
Click-N-Ship Business Pro
PC Postage
retail shipping services
First-Class Package Service
Retail Ground
Library Mail
Priority Mail Open and Distribute
Global Express Guaranteed
Delivery Confirmation
Customs Form CN22
Customs Form CP72
postage labels
usps retail ground
customs declaration (CN22)
first-class package international service (FCPIS)
retail labels
web tools APIs
service standards and commitments
address information
shipping label creation
Address Information API
Price Calculators API
Package Pickup API
Service Standards and Commitments API
eVS Shipping Label APIs
Tracking Service API (TrackV2)
Track and Confirm by Email (PTSEmail)
Proof of Delivery (PTSPod)
Return Receipt Electronic (PTSRre)
Every Door Direct Mail (EDDM) information
shipping information services
tracking status
delivery information
eVS (Electronic Verification System)
Ground Advantage Return Service
Package Platform enrollment
Enterprise Payment System (EPS) account
Certified Mail
USPS Tracking
Scan Retention
Package Pickup scheduling
Rate calculation
Return Label API
Address Validation API
ZIP Code Lookup API
CityStateLookup API
Address Correction
ZIP Code Retrieval
ZIP+4 Retrieval
Address Verification
Package Tracking API
Track and Confirm by Email API
Proof of Delivery API
Return Receipt Electronic API
Track Proof of Delivery API
Shipping API
XML API
Rate Calculator APIs
Domestic Rates API (RateV4)
International Rates API (IntlRateV2)
API Signature
XML request/response
Package weight calculation
Container specifications
Dimensional weight calculation
Special services pricing
Error handling
eVS Label API
Create outbound shipping labels
ACH debit payment
Permit imprint
Origin entered mail
Mailer IDs (MIDs)
Permits
APO/FPO/DPO/PTFAS locations
Priority Mail Cubic
Ground Advantage Cubic
Parcel Select Destination Entry (PSDE)
Global Direct Entry (GDE)
Electronic Verification System (eVS)
Package consolidators
Postage and fee payment
package shipping
SCAN API
Electronic File Number (EFN)
PS Form 5630
PS Form 3152
Intelligent Mail Package Barcode (IMpb)
batch processing
manifest creation
confirmation services
Package Pickup Availability API
Package Pickup Schedule API
Package Pickup Cancel API
Package Pickup Change API
Package Pickup Inquiry API
Priority Mail Express pickup
Priority Mail pickup
Ground Advantage pickup
International delivery pickup
Merchandise returns pickup
Priority Mail Service Standards API
Package Services "StandardB" API
First Class Mail Service Standards API
Express Mail Service Commitments API
API
delivery standards
Sunday Holiday API
package availability check
zip code pairing information
Post Office Locator API V2
Hold For Pickup Facility Information API
Get Locker Info
Smart Locker locations
PO Box Locker locations
Facility ID lookup
eVS Domestic Label API integration
Search by City/State
Search by ZIP
Search all Locker locations
Locker dimensions
Pagination for results
price calculator APIs
label generation APIs
secure APIs
API integrations
Label APIs
International Shipping APIs
Rate Quote Calculation
Tracking Information
Service Standards API
Hazardous Materials Shipping
Adult Signature Services
Parcel Processing
Nonstandard Package Handling
USPS Connect Local Mail
Lives/Perishable Handling Fees
PO Box Locker Services
Secure APIs (HTTPS)
Web Tools 2.0 APIs
shipping services
price calculator API
label API
address verification API
locker lookup API
customs form generation
shipping standards
HAZMAT shipping
PO Box locker support
rate lookup
returns processing
PO Box locker integration
service standard information
shipping label API
international shipping API
package processing
API customization
product offerings
payment options
shipping information
PO Box locker shipping
presort services
Address APIs
ZipCodeLookup APIs
PO Box Locker Lookup API
Service Standards APIs
USPS Returns Label API
eVS Domestic Label API
Express Mail International - eVS
Priority Mail International - eVS
First Class Mail International - eVS
GXG Get Label - eVS
Nonstandard parcel processing
Special Drawing Rights (SDR) values
International Shipping Regulatory Mandates
Customs Forms (CN22, CP72)
Return Receipt (eliminated for PMI/FCPIS)
Nonmachinable/Irregular parcel classification
Error Messaging
Webhooks
OAuth2 tokens
customs declaration
barcode generation
electronic signature
smart locker integration
international shipping support
hazardous materials support
returns label generation
Digital API services
EVS (Electronic Verification System) services
hazardous materials handling (API)
tracking API
Address API
Parcel Locker Lookup API
International Price Calculator API
Service Delivery Calculator API
External Post Office Locator API
Priority Mail Express Label
Priority Mail Label
Ground Advantage Label
HAZMAT handling
Shipping Services File (SSF) generation
Shipping Partner Event File (SPEF) generation
API access
ground advantage
parcel select lightweight
parcel select destination entry
hazardous materials (hazmat)
electronic signature online (esol)
original tracking number
post office locator
domestic label API
international label API
returns label API
customs forms API
Application Programming Interface (API)
Priority Mail Express API
Customs Form API
eVS International Label API
Post Office Locator API
RateV4 API
IntlRateV2 API
SCAN Form API
Customs Form CN22 API
Customs Form CP72 API
Smart Locker Labels
API Access and Permissions
Hazardous Materials (HAZMAT) labeling
eVS API
HAZMAT label support
expected delivery information
digital shipping solutions
parcel locker integration
special services (e.g., signature confirmation, insurance)
secure API access (HTTPS)
USPS Parcel Locker Lookup API
ZipCode Lookup API
Carrier Pickup APIs
GXG Get Label API
Shipping Partner Event File (SPE) updates
Shipping Services File (SSF) updates
TrackV2 API
eVSExpressMailIntl API
eVSPriorityMailIntl API
eVSFirstClassMailIntl API
USPSParcelLockerLookup API
SDCGetLocations API
StandardB API
SundayHolidayAvailability API
USPSReturnsLabel API
Verify API
ZipCodeLookup API
Package Intercept Status API
Package Intercept Hold For Pickup API
Package Intercept Redirect API
Package Intercept Return to Sender API
EDDMR API
USPS Ground Advantage Returns
Priority Mail Express Returns
Hazardous Materials (HAZMAT) shipping
eVS
RateV4
IntlRateV2
TrackV2
USPSReturnsLabel
USPSParcelLockerLookup
SDCGetLocations
FirstClassMail API
parcel select
rate V4
shipping solutions
electronic data interchange (EDI)
special services (e.g., signature confirmation, special handling)
eVS Domestic API
eVS Express Mail International API
eVS Priority Mail International API
eVS First Class Mail International API
eVS GXG Get Label API
External Package Tracking API
Domestic Price Calculator API
Package Services Service Standards API
USPS Connect Local API
shipping label APIs
service updates
customs information
API updates
2D barcode updates
hazmat
international mail
connect local
oversize package calculation
hazardous materials handling (HAZMAT)
international shipping rate calculation
domestic shipping rate calculation
USPS Priority Mail Cubic
USPS Parcel Select Ground Cubic
USPS Priority Mail
USPS Priority Mail Express
special handling
live animal transportation
Real-time tracking updates
Nonstandard fee calculation
Live animal transportation fee
Insurance options
Carrier Pickup Schedule
Carrier Pickup Change
Carrier Pickup Inquiry
Carrier Pickup Availability
Carrier Pickup Cancel
USPS Zone Calculation
Time-Limited Price Change updates
Hold For Pickup service
SSL/TLS encryption for APIs
oversize package handling
parcel select ground
tracking plus
USPS Parcel Locker Lookup
international eVS label API
nonstandard fee updates
USPS priority mail return service
USPS special handling
USPS retail ground service standards
USPS parcel select ground service standards
package pickup APIs
domestic address validation
international address validation
time-limited price change
rate calculator
International Label APIs
USPS Parcel Select Ground API
USPS Priority Mail Cubic API
USPS Priority Mail API
USPS Tracking Plus API
2D Barcode generation
price calculator
gift card services
Zone calculation
Gift cards service
secure API access
Tracking updates
Price updates
Oversize calculation
Nonmachinable fee calculation
Live animal transportation fee calculation
Retail Ground updates
Parcel Select Ground updates
Priority Mail updates
Hold For Pickup services
Package Intercept services
SSL certificates
Rate Calculator API
Dimensional Weight Updates
Oversize Updates
Nonmachinable Fee
tracking APIs
Sunday Delivery service
nonstandard fees
oversize pricing
domestic mail
Sunday Delivery
POLocatorV2Ext API
Sunday/Holiday Availability API
Merchandise Return Service (MRS) Label API
Global Direct Entry (GDE) Updates
Priority Mail Express Commitment Updates
Priority Mail Cubic Returns Pricing
Label Broker integration
HTTPS/Secure Web Tools APIs
Secure HTTPS Web Tools 2.0 APIs
returns label
XML requests
Customs Forms Generation
Service Standards Information
Parcel Select Lightweight (PSLW)
Merchant Return Service (MRS)
Carrier Pickup Scheduling
Secure HTTPS Endpoints
global direct entry
barcoding
data validation
MerchandiseReturnV4
MerchReturnV4Bulk
CustomsCN22V2
CustomsCP72V3
POLocatorV2Ext
PriorityMail
ExpressMailCommitment
FirstClass Mail
CityStateLookup
ZipCodeLookup
StandardB
SundayHolidayAvailability
CarrierPickupAvailability
CarrierPickupCancel
CarrierPickupChange
CarrierPickupInquiry
CarrierPickupSchedule
eVS Domestic
eVS Domestic Cancel
eVS Priority Mail Express International
eVS First Class Mail International
eVS GXG Public Label generation
eVS International Cancel
eVS Priority Mail International
First Class Mail Service Standards
GXG Get Commodity Information
GXG - Guarantee
Hold For Pickup Facility Information
Merchandise Return Service
Merchandise Return Service Bulk
Post Office Locator - External
Priority Mail Service Standards
Track and Confirm - Email
Track and Confirm - Pod
Track and Confirm - Tpod
Track and Confirm - Rre
SCAN
Package Services Service Standards
Track and Confirm
USPS Returns Label
ZipCode Lookup
Priority Mail Express commitment times
Domestic and international shipping
Commercial Provider Initiative (OCPI)
international shipping label API
eVS (Electronic Verification System) label API
security certificate updates
HTTPS/secure APIs
scanning API
web tools
returns labels
eVS labels
Merchandise Return Service API
Package Intercept API
digital postage solutions
dimensional weighting
premium tracking
ZPL label support
secure API (HTTPS)
Transportation Messaging
ZPL label generation
Domestic Label APIs
Redelivery APIs
Service Delivery Calculator APIs
ZPL label format
203 DPI resolution
300 DPI resolution
redelivery services
HTTPS
First-Class Package Service - Retail
open and distribute priority
QR code generation
adult signature
TLS 1.2 connection
secure API
non-secure API
eVS Express Mail International
GXG Commercial Invoice
GXG Label
Track and Confirm - GetPackageInfo
Create Delivery Instructions
Forever PrepaidLabel
DI and Redelivery Availability
DI and Redelivery Status
Create Redelivery
SSL Security Certificate Updates
Secure Web Tools APIs
electronic signature on file
shipping partner event file
package tracking updates
customs forms updates
shipping partner event file web tools certification
eVS label updates
domestic price calculator API updates
eVS priority mail military customs forms update
SCAN form API updates
hold for pickup facility API update
GXG insurance updates
domestic label APIs address updates
customs forms API restrictions
price calculator updates
eVS label API updates
secure HTTPS APIs
fragile handling
shipping services file
data processing
Priority Mail API
Express Mail API
First Class Mail API
International Mail API
GXG Insurance
Every Door Direct Mail (EDDM) API
Hold For Pickup Facility API
SSL Security Certificates
Address Validation APIs
Customs Form APIs
Special Handling-Fragile service
Return Receipt service
ePostage Mailer Identification
Shipping Partner Event (SPE) file
Tracking Proof of Delivery (TPOD)
SSL/TLS security updates
API testing environment (CAT/stg-)
Special Handling - Fragile
EDDM (Every Door Direct Mail)
order supplies
service standards lookup
Express Mail Label
Hold For Pickup Express
Hold For Pickup Priority
Hold For Pickup First Class
Delivery Confirmation V4
Signature Confirmation V4
Merchandise Return Service V4
Open and Distribute Priority V2
Create SBP Label
Intercept Label
PFSC Label
Fetch CTS Label
Metro Post
Express Mail Intl
eVS Express Mail Intl
Priority Mail Intl
eVS Priority Mail Intl
First Class Mail Intl
eVS First Class Mail Intl
GXG Get Label
eVS GXG Get Label
Customs SCAN
Customs CN22 V2
Customs CP72 V3
Intl Rate
PTSEmail API
APIs
Premium Forwarding Service
Collect on Delivery
Redelivery and Delivery Instructions
Commercial Invoice
Redelivery and Delivery Instructions APIs
SSLv3 support disabled
TLS support
merchandise return API
digital transition
PO box rental
hold mail service
schedule redelivery
delivery instructions
mailbox installation guidelines
mail for deceased
postal store returns and exchanges
personalized stamped stationery
postage stamps
merchandise and licensed products
prepaid packaging
business shipping services
direct mail advertising
business customer gateway
Priority Mail Next Day
USPS Marketing Mail
USPS Global Shipping Software
customer returns
developer APIs
bulk mail discounts
postage options
DIM weight calculation
nonstandard package fees
automated package verification
local delivery
regional delivery
national delivery
eCommerce shipping
customized direct mail
reply mail
repositionable notes
Informed Delivery campaigns
postage printing
postage meters
precanceled stamps
Automated Package Verification (APV)
address management
mailing list rental
APIs for shipping
package return options
return labels
Priority Mail Express Return
Priority Mail Return
USPS Ground Advantage Return
Click-N-Ship label generation
USPS APIs integration
cloud platform integration
website integration for label printing
scan-based pricing
insurance up to $5,000
IMpb compliance
IMmb barcode generation
ePacket shipping
Global Shipping Software
International Priority Airmail
Airmail M-Bags
Commercial Package Intercept
Business Reply Mail
USPS APIs
package insurance
label broker ID
QR code printing
hazardous materials shipping (restricted)
Callers Service (mail pickup)
passport application acceptance
passport photos
money order services (domestic)
international claims
international refunds
printing shipping labels
affiliate marketing
mail delivery
Signature on File service
Street Addressing for PO Boxes
Caller Service for PO Boxes
Parcel lockers
manual postmark
discounted shipping rates
no minimum volume commitments
free packaging
flat rate shipping
Package Pickup service
Saturday delivery
no fuel surcharges
no residential delivery surcharges
forwarding
returning undeliverable items
package returns solutions
Business Rate Card
same-day delivery
next-day delivery
Priority Mail Flat Rate
return services
vulnerability disclosure program
digital preview of incoming mail
package delivery updates
mobile app
package interception
return management
nationwide delivery
mailbox sales
Informed Delivery (mail and package preview)
Redelivery scheduling
Package nickname
USPS Electronic Signature Online
USPS Connect Local program
Bound Printed Matter
Metered Postage
USPS Picture Permit Imprint Indicia
PostalOne! system (for business mailers)
e-VS (Electronic Verification System)
Business Mail Acceptance
Electronic Data Exchange (Postal Wizard, Mail.dat, Mail.XML)
Customer Label Distribution System (CLDS)
USPS Label Broker (QR code label printing at Post Office)
USPS Delivered Duty Paid (DDP) Service (prepay import duties, taxes, fees)
International Inquiries web application
USPS APIs (successor to Web Tools API)
Price API
Shipping Options API
Location API
EDDM (Every Door Direct Mail) services
USPS Label Broker Service
USPS Connect Regional
USPS Connect Returns
Flat Rate pricing
residential delivery
rural delivery
commercial pricing
Priority Mail Return service
Priority Mail Open & Distribute (PMOD)
package returns
undeliverable item returns
label services
intelligent mail matrix barcode (IMmb)
live animal and perishable handling
priority mail express open and distribute
negotiated service agreement (NSA)
Standard Mail
Standard Post
Hand-cancel postmarks
Premium Forwarding Service Residential (PFS-Residential)
flat rate boxes
custom mail creation
USPS Label Broker
Intelligent Mail Small Business Tool
USPS Ship
Premium Forwarding Service Commercial
USPS Promotions and Incentives
Automation Discounts
Informed Visibility
USPS Returns Services
Business Customer Gateway (BCG)
mail tracking data
mailing documentation
Flat Rate products
Bulk Mail Discount
Postage Rates
postage statements
manifests
Consolidate and forward mail
redirect packages in transit
Marketing Resources
Large Mailer Resources
PostalPro
PostalOne! application
business mailing customer support
account management
mail verification
mail transport
PostalOne! system
Full-Service Intelligent Mail
Mail.XML™ Technical Specification
FAST appointment scheduling
eDocumentation
eInduction status management
Data Distribution
Full Service ACS COA®
Full Service Nixie ACS Nixie
Start-the-Clock
Container Induction scans
Full-service quality verification reporting
eDocs
qualification reports
co-palletization
piece detail support
piece range support
Mail.dat® Technical Specification
Postage Statement Wizard
Automated Drop Shipment Scheduling Services
Business Mail 101
special service fees
destination entry rates
package mailing
USPS Marketing Mail machinable parcels
USPS Marketing Mail irregular parcels (destination delivery unit)
Bound Printed Matter parcels
online postage sampling review
electronic deduction from postage payment account
direct routing of mail
surface transportation assignments
air transportation assignments
Shipping System
scan tray labels
capture weight
Surface-Air Management System (S-AMS)
commingling by assignment and destination
induction scheduling
Data Analysis Tool (DAT)
production profile reporting
destination density reporting
trend analysis
surface route customization
air route customization
unit load tracking initiatives
bulk mail acceptance
MERLIN
Full-Service Certification (FSC)
customer support
application process guidance
technical support
password assistance
system logon support
file testing
file transmission

AI summary from public sources

USPS offers ground shipping for businesses with delivery in 2-5 days, including tracking. They also provide PO Boxes for secure mail storage and various online tools for managing shipments and mail.

Common questions

What are the delivery timeframes for USPS Ground Advantage?: USPS Ground Advantage delivery is expected in 2-5 days for mailable items up to 70 lbs. Service may be slower for packages going to certain locations or containing hazardous materials or live animals.
How can I get mail hand-canceled with a specific postmark date?: Ask a retail associate at a Post Office retail counter to hand-cancel your mail for free to ensure it receives a postmark on the day you mail it.
What is required to change my address using the USPS online tool?: You will need to verify your identity, pay a $1.25 identity verification fee, and complete the required form.
What are the PO Box size options?: Most Post Offices have 5 PO Box sizes ranging from extra small (XS - Size 1) to extra large (XL - Size 5), with depths of most boxes being 14.75 inches. Not all sizes are available in all locations.
What are the payment options for a PO Box?: You can pay online with a credit or debit card, at a self-service kiosk, by mail with a check or money order, or in person at the Post Office with cash, check, credit, or debit card.

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