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United States Phone Numbers
Country code: +1
Dial Code
+1
Capital
Washington, D.C.
Currency
USD ($)
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About United States Phone Numbers
United States uses the international dialing code +1. Phone numbers in United States can be looked up to determine the carrier, geographic location, and timezone information.
Our phone lookup tool uses Google's libphonenumber library to validate and parse United States phone numbers. This includes both mobile and landline numbers, providing accurate carrier detection where available.
To look up a United States phone number, enter it in the search box above. You can include or omit the country code (+1) - our system will automatically detect and format the number correctly.