What is the dialing code for United States?

The international dialing code for United States is +1.

How many digits are in a United States mobile number?

United States mobile numbers are typically 10 digits long, not counting the country code.

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+1 · Americas

Dialing code

Mobile number length

10 digits

Domestic trunk prefix

Likely type

Mobile

National format example

(202) 555-0182

International format example

+1 202 555 0182

Major carriers

AT&T Verizon T-Mobile

Dial the international prefix (usually 00 or +), followed by +1, then the local number without the leading 1.

Results are based on public numbering plans, not a live carrier query — numbers can be ported between carriers.

Dialing code

Likely type

Format

Possible carriers