What is the country code for United States?

The country code (dialing code) for United States is +1.

How do I call United States from abroad?

To call United States from abroad: dial your exit code (e.g., 011 from the US or 00 from most other countries), then the country code +1, then the area/city code (without the trunk prefix "1"), then the local number. Example: +1 212 555 1234.

What is the mobile number format in United States?

Mobile numbers in United States typically start with 2–9. International format example: +1 212 555 1234. The general format is +1 XXX XXX XXXX.

How to Call United States — Dialing Code +1

How to Dial United States from Abroad

1

Dial your exit code

From the US/Canada: 011 • From most other countries: 00 • From a mobile: +
2

Dial the country code for United States

Country code: +1
3

Dial the area code + local number

Drop the trunk prefix "1" when dialing from abroad.

Example: To call a mobile number in United States from the US, dial:

+1 212 555 1234

United States Number Formats

Mobile

+1 212 555 1234

Mobile prefixes: 2–9

Landline

+1 212 555 1234

Landline prefixes: 2–9

Quick Reference

Country	🇺🇸 United States
Country Code	+1
ISO Code	US
Continent	North America
International Format	+1 XXX XXX XXXX
Trunk Prefix	1
Mobile Prefixes	2–9
Landline Prefixes	2–9