United States phone-number intelligence
Country code: +1 · ISO: US/USA · Capital: Washington, D.C.
United States phone number format
International format (E.164): +1 XXX XXX XXXX
Format illustration only — each X stands for a digit; this is not a real subscriber number.
United States is part of the North American Numbering Plan: the trunk code 1 is already included in +1, so nothing is dropped or added when dialling internationally.
- Free HLR lookup — check whether a United States number is active
- Validate a United States phone number (E.164 parser)
How to call United States
To call United States from abroad, dial your international access prefix — 00 from most of Europe, 011 from the US and Canada, or simply + on any mobile phone — then the country code +1 and the subscriber number.
Example: +1 XXX XXX XXXX or 00 1 XXX XXX XXXX
Line type breakdown
| Line type | Share |
|---|---|
| mobile | 71.0% |
| voip | 18.0% |
| fixed_line | 11.0% |
Top mobile carriers
| Brand | MCC-MNC |
|---|---|
| AT&T | 310-410 |
| T-Mobile | 310-260 |
Most-seen OTP services
- Uber
- TikTok
Frequently asked questions
What is the country code for United States?
The country code for United States is +1. Dial it after + or your international access prefix (00/011) when calling from abroad.
How do I call United States from abroad?
Dial + or your international access prefix (00 in most of Europe, 011 from the US and Canada), then the country code +1 and the subscriber number — for example +1 XXX XXX XXXX.
What is the phone number format in United States?
Numbers in United States are written in the international E.164 format starting with +1, for example +1 XXX XXX XXXX (a format illustration, not a real number).
What mobile carriers operate in United States?
Mobile carriers seen in our dataset for United States include: AT&T, T-Mobile.
Country codes in the same region
- Anguilla (+1)
- Antigua & Barbuda (+1)
- Bahamas (+1)
- Barbados (+1)
- Bermuda (+1)
- British Virgin Islands (+1)
- Canada (+1)
- Dominica (+1)