The USPS provides mail and package delivery services in the United States. US expats often need to contact USPS for mail forwarding, package tracking, address changes, and international shipping queries while living abroad.
Dial 1-800-275-8777 (toll-free within the US)
00 1 314-967-5300
011 1 314-967-5300
0011 1 314-967-5300
00 1 314-967-5300
With PhoneTheWorld, simply enter +1 314-967-5300 and click call. No access codes needed — we handle everything.
Call at 8:00 AM US Eastern Time when lines open
Have your tracking number and mailing details ready
Use USPS.com for tracking, change of address, and mail hold
Avoid calling during holiday shipping season (November–December)
Tuesday–Thursday, 8:00–9:00 AM US Eastern Time
USPS website: usps.com — tracking, change of address, mail hold, shipping labels
USPS mobile app for tracking and shipping
Informed Delivery service to preview mail digitally
Yes. From abroad, call +1 314-967-5300. The 1-800 toll-free number only works within the US. International calling rates apply.
With PhoneTheWorld, calling the US costs just a few cents per minute. Traditional carriers may charge significantly more. PhoneTheWorld is pay-as-you-go with no subscription or connection fees.
USPS offers international mail forwarding through Premium Forwarding Service International (PFSI). This service forwards your US mail to your overseas address weekly. Contact USPS or visit usps.com to set up PFSI.
Yes. PhoneTheWorld lets you call any US number from your browser. Just enter +1 314-967-5300 and click call. No app required, pay-as-you-go, credits never expire.
Have your tracking number (if applicable), sender/recipient details, and any relevant reference numbers. For change of address, have your old and new address details ready.
Yes. USPS.com offers online tracking, change of address, mail hold, Informed Delivery, and shipping label printing. The USPS mobile app provides similar functionality for tracking and shipping.
Canada
Canada Post is the primary postal service in Canada. Canadian expats often need to contact Canada Post for mail forwarding, package tracking, address changes, and international shipping queries while living abroad.
Australia
Australia Post provides postal and parcel services across Australia. Australian expats often need to contact Australia Post for mail holding, mail redirection, package tracking, and international shipping queries while living abroad.
United States
The IRS is the US government agency responsible for tax collection and tax enforcement. US citizens and residents living abroad often need to contact the IRS for tax filing questions, stimulus payments, refund status, and identity verification.
United Kingdom
HMRC is the UK government department responsible for tax collection, including income tax, corporation tax, and VAT. UK expats and non-residents often need to contact HMRC for self-assessment queries, tax residency status, and National Insurance contributions.