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this was the first part of North America to have its code changed three times: from 213 to 714 1951: to 619 in 1982, and to 760 in 1997. was to have originally split off the portion of 760 serving San Diego County to a new 442 area code in late 2008/early 2009; that plan was cancelled. 2009: overlaid by 442. 761.
971: An overlay of area code 503. Until 2008, 971 was a concentrated overlay, meaning it was only present in some parts of the 503 area. Today it is a standard overlay. 458: An overlay of area code 541. Under the original North American Numbering Plan of 1947, area code 503 covered all of Oregon. Area code 541 was split off in 1995, the 971 ...
The original North American area codes were established by the American Telephone and Telegraph Company (AT&T) in 1947, after the demonstration of regional Operator Toll Dialing during the World War II period. The program had the goal of speeding the connecting times for long-distance calling by eliminating intermediary telephone operators.
New York area codes (blue area). The North American Numbering Plan Administration has divided the state of New York into twelve numbering plan areas (NPAs) with a total of 21 area codes. NPA
This is a list of telephone numbering plan areas (NPAs) and area codes of Minnesota . Area code. Location. 218. northern portion of the state. 320. about the central third of the state except for the greater Minneapolis-Saint Paul area. 507/924. southern third of the state, overlay with 924 beginning August 2024.
List of Arizona area codes. The U.S. state of Arizona is served by five telephone area codes in three numbering plan areas: Area codes 602, 480, and 623 serve the Phoenix metropolitan area. The three area codes were recombined in 2023 into an overlay complex after a 1999 split: The former 602 area consists of most of the city of Phoenix, with ...
This is a list of area codes in Connecticut: [1] 203: Covering southwestern Connecticut ( Fairfield County (except for Sherman ); New Haven County, and the towns of Bethlehem, Woodbury, as well as a small part of Roxbury in Litchfield County ); one of the original area codes enacted in 1947. 475: Overlay of 203 (December 2009)
The area codes in the U.S. State of New Jersey are a component of the North American Numbering Plan . 201: Northeastern New Jersey, primarily Bergen County and Hudson County. 551: Overlays area code 201. 609: Trenton, Lawrenceville, Princeton, Medford, Atlantic City, Barnegat, Wildwood, Ocean City, Burlington, Cape May. 640: Overlays 609.