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Area codes in CT. 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
Area codes 203 and 475 are telephone area codes in the North American Numbering Plan (NANP) for the southwestern part of the U.S. state of Connecticut. The numbering plan area (NPA) is mostly coextensive with the Connecticut portion of the New York metropolitan area , and comprises most of Fairfield County , all of New Haven County , and a ...
Telephone numbers listed in 1920 in New York City having three-letter exchange prefixes. In the United States, the most-populous cities, such as New York City, Philadelphia, Boston, and Chicago, initially implemented dial service with telephone numbers consisting of three letters and four digits (3L-4N) according to a system developed by W. G. Blauvelt of AT&T in 1917. [1]
The North American Numbering Plan (NANP) divides the territories 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), consisting of three digits that are prefixed to each local telephone number having seven digits.
Connecticut state map with area code 860 in red. Area codes 860 and 959 are telephone area codes in the North American Numbering Plan in the U.S. state of Connecticut.They are arranged in an overlay plan that covers most of the state, except its southwest, which uses area codes 203 and 475.
To the southwest, the city of Yorkville, in exurban Kendall County, is included, as well. Area code 630 is the parent area code of the numbering plan area, created in a three-way area code split of area code 708 on August 3, 1996, with the southern suburbs keeping 708 and the northern suburbs receiving 847. Within a decade, 630 was close to ...
Towns in Connecticut are allowed to adopt a city form of government without the need to re-incorporate as an inner-city. Connecticut state law also makes no distinction between a consolidated town/city and a regular town. Bolded city names indicate the state's largest cities, with the most populated being Bridgeport. Currently, Tolland County ...
Area code 847 was involved in the first trial of telephone number pooling in the United States in June 1998, to avert central office code exhaustion in the numbering plan area. [1] Nevertheless, within only five years, 847 was already close to exhaustion from the rapid growth in telecommunication services in the Chicago suburbs and the ...