---
title: "United States country code +1"
url: "https://lookvalid.com/country-code/united-states.md"
canonical_url: "https://lookvalid.com/country-code/united-states"
last_updated: "2026-10-19"
type: "reference"
summary: "United States uses country code +1. A number looks like +1 201 555 0123. How to dial it from the US and other countries, number lengths and a live validator."
related: ["https://lookvalid.com/country-code.md", "https://lookvalid.com/area-code.md"]
---

# United States country code +1

United States uses country code +1. A number looks like +1 201 555 0123. How to dial it from the US and other countries, number lengths and a live validator.

United States uses country code +1. A number looks like +1 201 555 0123.

## How to dial

| From | Dial |

| --- | --- |

| Any mobile phone | +1 201 555 0123 |

| United States | (201) 555-0123 |

| Canada | 1 (201) 555-0123 |

| United Kingdom | 00 1 201 555 0123 |

| Australia | 0011 1 201 555 0123 |

| Germany | 00 1 201 555 0123 |

| France | 00 1 201 555 0123 |

| India | 00 1 201 555 0123 |

| Japan | 010 1 201 555 0123 |

| Mexico | 00 1 201 555 0123 |

| South Africa | 00 1 201 555 0123 |

## Number structure

| Line | Digits |

| --- | --- |

| Mobile and landline | 10 digits |

| Toll free | 10 digits |

| Premium rate | 10 digits |

Inside United States the national number is dialled with a leading 1, which is dropped after +1.

## Area codes and places

Geographic area codes in service. Source: North American Numbering Plan Administrator NPA report, 10/17/2026.

| Starts with | Place |
| --- | --- |
| 201 | New Jersey |
| 202 | District of Columbia |
| 203 | Connecticut |
| 205 | Alabama |
| 206 | Washington |
| 207 | Maine |
| 208 | Idaho |
| 209 | California |
| 210 | Texas |
| 212 | New York |
| 213 | California |
| 214 | Texas |
| 215 | Pennsylvania |
| 216 | Ohio |
| 217 | Illinois |
| 218 | Minnesota |
| 219 | Indiana |
| 220 | Ohio |
| 223 | Pennsylvania |
| 224 | Illinois |
| 225 | Louisiana |
| 227 | Maryland |
| 228 | Mississippi |
| 229 | Georgia |
| 231 | Michigan |

Showing 25 of 372 rows. The page lists 372.

## Shared code

+1 is also used by [Antigua & Barbuda](https://lookvalid.com/country-code/antigua-and-barbuda), [Anguilla](https://lookvalid.com/country-code/anguilla), [American Samoa](https://lookvalid.com/country-code/american-samoa), [Barbados](https://lookvalid.com/country-code/barbados), [Bermuda](https://lookvalid.com/country-code/bermuda), [Bahamas](https://lookvalid.com/country-code/bahamas), [Canada](https://lookvalid.com/country-code/canada.md), [Dominica](https://lookvalid.com/country-code/dominica), [Dominican Republic](https://lookvalid.com/country-code/dominican-republic.md), [Grenada](https://lookvalid.com/country-code/grenada), [Guam](https://lookvalid.com/country-code/guam), [Jamaica](https://lookvalid.com/country-code/jamaica), [St. Kitts & Nevis](https://lookvalid.com/country-code/st-kitts-and-nevis), [Cayman Islands](https://lookvalid.com/country-code/cayman-islands), [St. Lucia](https://lookvalid.com/country-code/st-lucia), [Northern Mariana Islands](https://lookvalid.com/country-code/northern-mariana-islands), [Montserrat](https://lookvalid.com/country-code/montserrat), [Puerto Rico](https://lookvalid.com/country-code/puerto-rico), [Sint Maarten](https://lookvalid.com/country-code/sint-maarten), [Turks & Caicos Islands](https://lookvalid.com/country-code/turks-and-caicos-islands), [Trinidad & Tobago](https://lookvalid.com/country-code/trinidad-and-tobago), [St. Vincent & Grenadines](https://lookvalid.com/country-code/st-vincent-and-grenadines), [British Virgin Islands](https://lookvalid.com/country-code/british-virgin-islands), [U.S. Virgin Islands](https://lookvalid.com/country-code/u-s-virgin-islands).

## Questions

**What is the country code for United States?**

The country code for United States is +1. Written in full, a number looks like +1 201 555 0123.

**Do I dial the 1 at the start of a United States number from abroad?**

No. The 1 is the trunk prefix used for calls inside United States ((201) 555-0123). From abroad it is dropped after +1 (+1 201 555 0123).

**How many digits is a United States phone number?**

Mobile and landline numbers have 10 digits after the country code.

**How do I call another country from United States?**

Dial 011, then the country code and the number. On a mobile phone, + replaces 011.

**Which other places use +1?**

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 also use +1, so the digits after the code are what tell the places apart.

Source: libphonenumber-js 1.13.15, released 2026-10-08, read 2026-10-19; tables from libphonenumber resource files, read 2026-10-19. All country codes are on the [country code index](https://lookvalid.com/country-code.md).

## Related

- [Country calling codes and how to dial them](https://lookvalid.com/country-code.md)
- [US and Canadian area codes by state and province](https://lookvalid.com/area-code.md)