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670 was the former country code for the islands; 671: Guam (includes Andersen Air Force Base) July 1, 1997: Created for membership in NANP; 671 was the former country code for the island; 672: British Columbia, and the isolated border town of Hyder, Alaska, US May 4, 2019: overlaid on 604, 250, 778, and 236 [15] 2025: to be overlaid by 257; 673 ...
In 1947, the American Telephone and Telegraph Company (AT&T) devised the first nationwide telephone numbering plan and assigned the original North American area codes. The state of California was divided into three numbering plan areas (NPAs) with distinct area codes: 213, 415, and 916, for the southern, central, and northern parts of the state ...
before 1997: reached via IDDD using country code 670: 1997: assigned area code 670 Guam: before 1997: reached via IDDD using country code 671: 1997: assigned area code 671 American Samoa: before October 1, 2004: reached via IDDD using country code 684: 2004: assigned area code 684 Sint Maarten: before September 30, 2011: reached via IDDD using ...
Country codes are defined by the International Telecommunication Union (ITU) in ITU-T standards E.123 and E.164. The prefixes enable international direct dialing (IDD). Country codes constitute the international telephone numbering plan. They are used only when dialing a telephone number in a country or world region other than the caller's.
CA 06 1950-01-01 1 92 9201 ... From 1979 to 1999 the canal itself was under joint U.S.-Panamanian control. Since 1980, it took the country code of Panama (PA). Retired.
Each code consists of two parts, separated by a hyphen. The first part is US , the ISO 3166-1 alpha-2 code of the United States. The second part is two letters, which is the postal abbreviation of the state, district, or outlying area, except the United States Minor Outlying Islands which do not have a postal abbreviation.
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Location codes are numeric, alphabetic, or alphanumeric codes that designate a particular place, location, region or landmark. These include ISO 3166 country codes; U.S. FIPS country code, place code, county code and state code