Whether you need to call USPS customer service, submit a USPS customer complaint, or simply check your USPS tracking, this comprehensive guide covers every way to get help from the United States Postal Service. Read on to learn about phone numbers, email support, live chat, service hours, and tips for resolving your issue fast.

How to Contact USPS Customer Service by Phone
- Toll-Free Number: Dial 1-800-ASK-USPS (1-800-275-8777) for general inquiries and package tracking.
- Business Support: For business customers, use the USPS Business Customer Gateway at 1-800-344-7779.
- International Inquiries: Call 1-800-222-1811 for overseas shipping questions.
- Delivery Complaints: To report a missing or damaged package, dial 1-800-ASK-USPS and press 2 for mail services.
Pro Tip: Have your tracking number or USPS account login handy before you call to speed up verification.

USPS Customer Service Email and Online Chat
- Email Support: Visit the USPS Email Us form and choose your topic. You’ll receive a reply within 24–48 hours.
- Live Chat: From the same contact page, click the “Chat” icon to connect with a representative in real time. Ask about USPS hold mail, address changes, or USPS informed delivery customer service.
- Customer Portal: Log in at Business Customer Gateway to access billing statements, manage shipments, and file electronic customer service requests.
Common USPS Customer Service Issues & Solutions
1. Lost or Delayed Packages
- Check Tracking: Use the USPS tracking number on USPS.com.
- File a Claim: If your package is missing, submit a USPS claim customer service request online.
2. Change of Address
- Online Form: Go to the Change of Address section and complete the USPS Change of Address form.
- In-Person: Visit your local post office and pick up PS Form 3575.
3. Customer Complaints & Feedback
- Phone: Call 1-800-ASK-USPS and press 3 for complaints.
- Email: Select “Submit a Complaint” on the USPS contact form.
- Survey: After resolution, you may receive a USPS customer satisfaction survey—your feedback helps improve service.
USPS Customer Service Hours & Locations
- 24/7 Phone Support: The main support line (1-800-ASK-USPS) operates 24 hours a day, 7 days a week.
- Live Chat Hours: Monday–Friday, 8 AM–8 PM ET.
- Local Post Office: Find your closest USPS customer center location and hours on the USPS “Find Locations” page.
- Holiday Schedule: USPS customer service lines observe federal holidays; check ahead at USPS.com.

FAQ
- Q1: What is the USPS customer service number?
- A: The primary number is 1-800-ASK-USPS (1-800-275-8777).
- Q2: Can I email USPS customer service?
- A: Yes—use the online “Email Us” form under the Contact USPS page.
- Q3: How do I speak to a live person at USPS?
- A: Dial 1-800-ASK-USPS, wait for the prompts, and press 0 to reach a representative.
- Q4: Does USPS offer 24/7 support?
- A: The main phone line is always open, but email and chat support follow regular business hours.
Conclusion & Next Steps
You now have every option at your fingertips: from the USPS customer help phone line to email customer service USPS and online chat. Whether you need to track a package, file a complaint, or change your address, use the methods above to get swift, reliable assistance.
Call to Action: If you found this guide helpful, bookmark it for future reference and share your experience in the comments below!
All information is accurate as of May 2025. For the latest service updates, visit USPS.com.