🇺🇸 United States · +1

United States mobile number prefixes

15 number prefixes and the 2 networks they were assigned to: Onvoy, Fractel. Paste a number to see its network.

Prefixes by network

Prefixes are written the way numbers are dialled inside United States, including the trunk prefix 1. From abroad, drop the 1 and add +1: (201) 555-0123 becomes +1 201-555-0123.

Onvoy

12 prefixes

165920016592221659300165940016594441659500165960016596661659777165980016599001659999

Fractel

3 prefixes

165952916597661659888

Source: Google libphonenumber carrier metadata. Because of number portability, a number may have moved to another network.

United States mobile prefixes: FAQ

How can I tell which network a United States number is on?

Look at the first digits after the trunk prefix and compare them with the table on this page, or paste the number into the network finder. For example, United States numbers starting with 1659200 were assigned to Onvoy.

Which mobile networks are there in United States?

Number ranges in United States are assigned to Onvoy, Fractel.

Is the prefix always correct for the current network?

No. United States numbers can usually be ported to another operator while keeping the number, so the prefix tells you which network the number range was originally assigned to. A carrier lookup through the numlookupapi API returns the carrier the number data points to.

What is the country code of United States?

The country code of United States is +1. See the United States country code page for dialing instructions and number formats.

Phone number API

Get the carrier of any number by API

numlookupapi checks any phone number worldwide in one request and returns validity, line type, carrier, location and every standard format as JSON.

Read the documentation

100 free requests every month. No credit card required.

GET https://api.numlookupapi.com/v1/validate/+12015550123

{
  "valid": true,
  "number": "12069220880",
  "local_format": "2069220880",
  "international_format": "+12069220880",
  "country_prefix": "+1",
  "country_code": "US",
  "country_name": "United States of America",
  "location": "Seattle",
  "line_type": "landline",
  "e164_format": "+12069220880",
  "national_format": "(206) 922-0880"
}