Official phone numbers, checked
40 well-known organizations that scammers pretend to be, with the real customer service number from each one's own website.
These are the numbers you can call. A real company can also call you from a different number, and a scammer can fake any of these on caller ID, so a match is not proof. If a call is unexpected, hang up and dial the number here yourself.
Government
| IRS (Internal Revenue Service) | (800) 829-1040 |
| Social Security Administration | (800) 772-1213 |
| Medicare | (800) 633-4227 |
| Federal Trade Commission | (877) 382-4357 |
| National Do Not Call Registry | (888) 382-1222 |
| USCIS (Citizenship and Immigration Services) | (800) 375-5283 |
| Federal Student Aid | (800) 433-3243 |
| FEMA | (800) 621-3362 |
| U.S. Department of Veterans Affairs | (800) 827-1000 |
Delivery
| USPS (U.S. Postal Service) | (800) 275-8777 |
| FedEx | (800) 463-3339 |
| UPS | (800) 742-5877 |
| DHL Express | (800) 225-5345 |
Banks and cards
| Chase | (800) 935-9935 |
| Bank of America | (800) 432-1000 |
| Wells Fargo | (800) 869-3557 |
| Citi | (800) 950-5114 |
| Capital One | (800) 227-4825 |
| U.S. Bank | (800) 872-2657 |
| American Express | (800) 528-4800 |
| Discover | (800) 347-2683 |
| Navy Federal Credit Union | (888) 842-6328 |
Payment apps
Phone and cable
Shopping and tech
| Amazon | (888) 280-4331 |
| Apple | (800) 275-2273 |
| Walmart | (800) 925-6278 |
| Target | (800) 440-0680 |
| Costco | (800) 774-2678 |
| Best Buy and Geek Squad | (888) 237-8289 |
| The Home Depot | (800) 430-3376 |
Insurance
| GEICO | (800) 207-7847 |
| State Farm | (800) 782-8332 |
| Progressive | (800) 776-4737 |
| Allstate | (800) 726-6033 |
Each number was checked against the organization's own website on October 10, 2026. Companies change numbers; each page links to the source. Spot a change? Email us.