+1 is the country code for the United States, Canada and 23 more places in the Caribbean and the Pacific.
Every phone number in the US, Canada and 23 more places starts with +1, then a 3-digit area code that tells you where it is. Inside the +1 area you dial 1, the area code and the number. From anywhere else, dial your exit code, then 1.
- Time there
- New York timeEastern Time, UTC-5 to UTC-4, one of several time zones in the USA
- Inside the US and Canada
- 1 201 555 0123
- From the UK and most of Europe
- 00 1 201 555 0123
- From Australia
- 0011 1 201 555 0123
- From any mobile phone
- +1 201 555 0123
- Toll-free numbers
- Start with 800, 833, 844, 855, 866, 877 or 888
Check a +1 number to see whether it is a mobile, a landline or VoIP.
Pick the country, enter the number without the +1, and the free check shows whether it is valid and whether it is a mobile, a landline or VoIP.
The area code after +1 tells you whether a number is in the US, Canada, the Caribbean or the Pacific.
| Area codes | Place |
|---|---|
| 204, 226, 236, 249, 250, 257, 263, 289, 306, 343, 354, 365, 367, 368, 382, 403, 416, 418, 428, 431, 437, 438, 450, 468, 474, 506, 514, 519, 548, 579, 581, 584, 587, 600, 604, 613, 622, 633, 639, 647, 672, 683, 705, 709, 742, 753, 778, 780, 782, 807, 819, 825, 867, 873, 879, 902, 905, 942 | Canada |
| 684 | American Samoa |
| 264 | Anguilla |
| 268 | Antigua & Barbuda |
| 242 | Bahamas |
| 246 | Barbados |
| 441 | Bermuda |
| 284 | British Virgin Islands |
| 345 | Cayman Islands |
| 767 | Dominica |
| 809, 829, 849 | Dominican Republic |
| 473 | Grenada |
| 671 | Guam |
| 658, 876 | Jamaica |
| 664 | Montserrat |
| 670 | Northern Mariana Islands |
| 787, 939 | Puerto Rico |
| 721 | Sint Maarten |
| 869 | St. Kitts & Nevis |
| 758 | St. Lucia |
| 784 | St. Vincent & Grenadines |
| 868 | Trinidad & Tobago |
| 649 | Turks & Caicos Islands |
| 340 | U.S. Virgin Islands |
| All others | United States (see every US area code) |
A call to a Caribbean area code, such as 876 for Jamaica or 268 for Antigua and Barbuda, is an international call, even though the number looks like a US one. Check an unknown +1 number in the box above before you call it back.
The US phone number format is +1, a 3-digit area code and a 7-digit number, such as +1 201 555 0123.
| Written | Example | Where you see it |
|---|---|---|
| At home | (201) 555-0123 | Business cards, local ads |
| International | +1 201 555 0123 | Websites, email signatures |
| E.164 | +12015550123 | APIs, SMS gateways, CRMs |
A missed call from a +1 number you don't know can be a one-ring scam, so check it before calling back.
One-ring scams call once and hang up, hoping you call back a line that bills you international or premium rates.
- Don't call back a number you don't know, especially one with a Caribbean area code from the table above. A real caller leaves a message or sends a text.
- Check the number in the box above. A number that is not a working mobile or landline on +1 is a warning sign.
- Hang up on anyone who wants gift cards, crypto or a wire transfer, or asks you to read out a code that was just texted to you.
- Report it at reportfraud.ftc.gov, and see the FCC's guide to one-ring scams.
The codes next to +1 belong to other countries, so one wrong digit reaches a different place.
These are the questions people ask most about +1.
Which country uses the +1 country code?
United States, Antigua & Barbuda, Anguilla, American Samoa, Barbados, Bermuda, Bahamas, Canada, Dominica, Dominican Republic, Grenada, Guam, Jamaica, St. Kitts & Nevis, Cayman Islands, St. Lucia, Northern Mariana Islands, Montserrat, Puerto Rico, Sint Maarten, Turks & Caicos Islands, Trinidad & Tobago, St. Vincent & Grenadines, British Virgin Islands and U.S. Virgin Islands all use +1.
How do I call the US from another country?
Dial your country's exit code (00 from the UK and most of Europe, 0011 from Australia), then 1, the area code and the number: 00 1 201 555 0123 from the UK, or +1 201 555 0123 from any mobile phone.
How many digits is a +1 phone number?
Ten after the +1: a 3-digit area code and a 7-digit number, written (201) 555-0123 in the US.
Is +1 the same as 001?
Yes. 00 is the exit code used in most of the world, and the + on a mobile phone stands in for whatever exit code your network uses. From the US and Canada the exit code is 011 instead.
What time is it in the United States?
The United States spans several time zones. In New York it is Eastern Time, UTC-5 in winter and UTC-4 in summer.
How do I check a +1 number that called me?
Enter it in the box above. The free check shows whether it is a valid +1 number and whether it is a mobile, a landline or a VoIP line, which helps you spot a one-ring scam before you call back.
Sources: Google's libphonenumber numbering data for lengths, mobile starts, area code places, first-issuing networks and time zones, as of September 24, 2026; the ITU list of country codes.