the creation of 765. The 317 area code was, in turn, overlaid by 463 in 2016. When the first area codes were mapped out, southern Indiana was assigned...

Area codes 812 and 930 are telephone area codes in the North American Numbering Plan (NANP) for the southern third of the state of Indiana. The numbering...

of its members into geographic numbering plan areas (NPAs). Each NPA is identified by one or more numbering plan area codes (NPA codes, or 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...

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...

2016. List of NANP area codes "Indiana Area Code History - Telecom Indiana". telecomindiana.com. Retrieved April 16, 2023. "SBC - Area Code History"...

routing system. Indiana was divided to receive two area codes. Area code 317 served the northern two-thirds of Indiana, while area code 812 served the...

This is a list of the area codes in the state of Illinois and its numbering plan areas in the North American Numbering Plan. 217/447: Central Illinois...

is a list of area codes in the state of Ohio. The first nationwide telephone numbering plan of 1947 divided Ohio into four numbering plan areas (NPAs)...

(NANP). Area codes 414 and 715 were among the original North American area codes assigned in 1947. "Area Code Relief". Public Service Commission of Wisconsin...

This is a list of telephone numbering plan areas (NPAs) and area codes of Minnesota. Area code 924 is expected to overlay 507 on August 30, 2024. When...

North American area codes were established by the American Telephone and Telegraph Company (AT&T) in 1947, after the demonstration of regional Operator...

This is a list of telephone area codes in the state of Missouri. The area codes are allocated within the North American Numbering Plan (NANP). The two...

This is a list of telephone area codes in the U.S. state of Michigan: 231 – Northwestern Lower Michigan: Traverse City, Ludington, Muskegon, Petoskey...

followed by the country code and the national significant number. Canada was divided into nine numbering plan areas with unique area codes in 1947 when the American...

eastern parts. List of North American Numbering Plan area codes Original North American area codes Staff writer (2022). "Massachusetts Area Code Information"...

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...

greater Denver Metropolitan Area. Area codes 720 and 983 are overlay codes for today's 303 numbering plan area (NPA). Area code 719 serves Colorado Springs...

Area codes 202 and 771 are telephone area codes in the North American Numbering Plan (NANP) for Washington, D.C. Area code 202 was one of the original...

of New York into twelve numbering plan areas (NPAs) with a total of 19 area codes. Bolger, Timothy (December 19, 2014). "New Suffolk County Area Code...

a list of U.S. state and country codes, named World Area Codes (WAC). "BTS Aviation Support Tables: World Area Codes (WAC)". http://www.transtats.bts...

This is a list of telephone area codes in the state of Nevada. 702: The southeastern tip of Nevada, including the Las Vegas metropolitan area 725: An overlay...

of Washington has six telephone area codes. The state initially used a single area code (206) until it was divided in 1957 with the creation of area code...

is a list of area codes in the U.S. state of Texas. The date of establishment of each area code is indicated in parentheses: 210: San Antonio area; overlays...

This is a list of area codes in the U.S. state of Georgia. In 1947, Georgia was a single numbering plan area (NPA) with area code 404. In 1954, 912 was...

This is a list of area codes in the Commonwealth of Virginia. 276 — Southwest corner of the state including Bristol, Galax, Martinsville, and Wytheville...

This is a list of area codes in the U.S. state of Florida. When the original North American area codes were introduced for a nationwide telephone numbering...

Area codes 208 and 986 are telephone area codes in the North American Numbering Plan for all of Idaho. Area code 208 is one of the 86 original area codes...

list of area codes in Connecticut: 203: Covering southwestern Connecticut (Fairfield County (except for Sherman); New Haven County, and the towns of Bethlehem...

This is a list of telephone area codes in the state of Oregon. As of 2022, it is one of six states (along with Pennsylvania, Connecticut, Maryland, Idaho...