What are the telephone area codes for the united states? The country code for United States is +1. This country code, along with the area code, is required to call a telephone number in United States from another country.What are the country calling codes? Country calling codes or country dial in codes are telephone dialing prefixes for the member countries or regions of the International Telecommunication Union (ITU). They are defined by the ITU-T in standards E.123 and E.164.What is the telephone number for the united states? Identify the local phone number. The number of digits will vary from country to country. In the United States, a local phone number is seven digits. A local phone number in France is eight digits. Write the complete international phone number. A United States phone number would be written: 1-608-222-3333.How many telephone area codes are in the us? There are 680 usable area codes in the United States, of which 215 are currently in use. Each area code has 7,920,000 telephone numbers (out of a possible 10,000,000) available within it.
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