
Country Code for United States: +1
Americas
+1
Dialing Code
US
ISO2
USA
ISO3
$ USD
US Dollar
UTC-5 to UTC-10
Timezone
Jan 14, 2026, 05:53 PM
Current Time
About United States Phone Codes
This page provides comprehensive information about United States's international dialing system, helping you make seamless phone calls to and from this destination.
The country code for United States is +1, which is essential for making international calls to United States. Our guide includes detailed dialing instructions, practical examples from major countries, and helpful tips to ensure your calls connect successfully. Whether you're calling for business, staying in touch with family, or making travel arrangements, you'll find all the country code information you need right here.
Beyond the primary phone code, we also provide useful details such as United States ISO country code (US) USA, local currency US Dollar ($), time zone information (UTC-5 to UTC-10), and step-by-step dialing instructions to make your international calling experience as smooth as possible towards United States.
How to Call United States
International Format: +1 XXX XXX XXXX
- 1Dial your country's international access code (usually 00 or +)
- 2Dial the United States country code: +1
- 3Dial the area code and phone number (8-9 digits total)
Examples from Popular Countries dialing to United States
From United Kingdom:
00 1 555 123 4567
From Germany:
00 1 555 123 4567
From Australia:
0011 1 555 123 4567
United States's main city phone codes
| City | Phone Code |
|---|---|
| New York City | +1 212 |
| Los Angeles | +1 213 |
| Chicago | +1 312 |
| Miami | +1 305 |
| San Francisco | +1 415 |
| Boston | +1 617 |
| Washington DC | +1 202 |
| Atlanta | +1 404 |
| Dallas | +1 214 |
| Houston | +1 713 |
| Philadelphia | +1 215 |
| Phoenix | +1 602 |
| San Diego | +1 619 |
| Las Vegas | +1 702 |
| Seattle | +1 206 |
Note: These are the main area codes for major cities in United States. When calling from abroad, dial the international access code, then +1, then the city code (without the + symbol), followed by the local number.