Codes
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Codes of USA
+1 US - Country Code for Mobile Phones and Whatsapp
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| United States Codes (+1) US / USA - The United States of America
- Country Code for Mobile Phones, Telephone Calls, Whatsapp Messages and SMS. List of International Dial Code by City. Mobile Phone Companies.
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| (+1) United States of America (USA) Country Code. International Dial Code. Search by city. Find phone, address, and contacts
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| .US is the country code for internet and national web sites
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| A United States phone number is of 10 numbers: a three-digit area code, followed by a 3-digit exchange code, and a four-digit subscriber number.
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| How To Call the United States? List of United States of America (USA) - Phone Codes and Dial Codes
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| Special Services
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| 911 EMERGENCY
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| 411 Directory Assistance Services
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| 011 International Access
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| 200 Service access code
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| 211 Coin Phone Refunds
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| 300 Service Access Code
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| 311 NON-EMERGENCY ACCESS (Special Function)
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| 400 Service Access Code
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| 456 International Inbound
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| 500 Personal Communication SERVICES
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| 611 Repair Service
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| 700 INTEREXCHANGE CARRIER SERVICES
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| 710 US GOVERNMENT
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| 711 TRS ACCESS (Special Function)
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| 800 Toll Free Services
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| 811 BUSINESS OFFICE (Special Function)
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| 822 Toll Free Services
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| 833 Toll Free Services
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| 844 Toll Free Services
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| 855 Toll Free Services
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| 866 Toll Free Services
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| 877 Toll Free Services
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| 880 PAID 800 Service From Caribbean
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| 881 PAID 888 Service From Caribbean
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| 882 PAID 877 Service From Caribbean
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| 888 Toll Free Services
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| 900 900 NUMBER PAY PER CALL SERVICES - Value Added Services
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| United States Code 1 - Dial Codes, Whatsapp and SMS Messages
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Code United States Phones ![-]() - List of Country and City Codes. Find phone numbers by company.
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| Internet US Code for the Country us |
| International 1 Code list by country and city. How to dial in United States |
| Phone 1 Find phone numbers and mobile companies |