When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. List of North American Numbering Plan area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_North_American...

    Area codes are also assigned for non-geographic purposes. The rules for numbering NPAs do not permit the digits 0 and 1 in the leading position. [1] Area codes with two identical trailing digits are easily recognizable codes (ERC). NPAs with 9 in the second position are reserved for future format expansion.

  3. Lists of North American area codes - Wikipedia

    en.wikipedia.org/wiki/Lists_of_North_American...

    Other countries maintain an autonomous numbering plan with distinct country codes within the international E.164 specifications by the International Telecommunication Union. Original North American area codes; List of North American Numbering Plan area codes; Telephone numbers in Mexico; Telephone numbers in Greenland

  4. Category:Area codes in the United States - Wikipedia

    en.wikipedia.org/wiki/Category:Area_codes_in_the...

    Area codes 201 and 551; Area codes 202 and 771; Area codes 203 and 475; Area codes 205 and 659; Area code 206; Area code 207; Area codes 208 and 986; Area codes 209 and 350; Area codes 210 and 726; Area codes 212, 646, and 332; Area codes 213, 323, and 738; Area codes 214, 469, 972, and 945; Area code 215; Area codes 215, 267, and 445; Area ...

  5. Category:Lists of United States area codes - Wikipedia

    en.wikipedia.org/wiki/Category:Lists_of_United...

    List of North Carolina area codes; List of North Dakota area codes; O. List of Ohio area codes; List of Oklahoma area codes; List of Oregon area codes; P.

  6. World Area Codes - Wikipedia

    en.wikipedia.org/wiki/World_Area_Codes

    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. Panama Canal Zone area was returned to Panama. The area is now under WAC 162. 1 162 16201 Panama Middle America Panama Independent State in the World Panama PA 1950-01-01 1 174 17401 San Andres Island Middle ...

  7. List of area code overlays - Wikipedia

    en.wikipedia.org/wiki/List_of_area_code_overlays

    An area code overlay is a numbering plan area (NPA) in the North American Numbering Plan (NANP) that has multiple area codes assigned. Overlay complexes are used to add central office prefixes in an NPA to increase the number of available telephone numbers .

  8. List of California area codes - Wikipedia

    en.wikipedia.org/wiki/List_of_California_area_codes

    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 ...

  9. List of Pennsylvania area codes - Wikipedia

    en.wikipedia.org/.../List_of_Pennsylvania_area_codes

    This is a list of telephone area codes of Pennsylvania. In 1947, the American Telephone and Telegraph Company divided Pennsylvania into four numbering plan areas (NPAs) and assigned distinct area codes for each. Since 1995, several relief actions in form of area code splits and overlays have expanded the list of area