Delaware Area Codes – List of Area Codes And Maps

Delaware currently using 1 Delaware Area Codes 302. It covered the entire state since the modern phone system was established by AT&T and the Bell System in 1947.

Delaware Area Codes

List Of Area Codes In Delaware

Area code 302 – It is the only telephone area code for the Delaware. It is the original area code established in 1947 for the North American Numbering Plan.

History of Delaware Area Codes

01/01/1947
Area code 302 was Out into service.

Delaware Area Codes

What Is Area Code?

Area Code Is A Three-digit code that Finds one of the telephone areas into which the U.S. and other countries are divided and that is the local telephone number when dialing a call between areas.

Why are area codes added?

Area codes are added when the current number expires. In North America, each area code has a potential capacity of about 8 million unique phone numbers. Increased use of cellular phones, modems, and Internet access may require existing telephone number resources, additional area codes may be required, according to Nestar.

Process

Once the new area code starts being assigned, there is usually a six-month period of transition, where customers are encouraged, but not required, to use the new code, but seven-digit. Dialing is allowed. After six months, callers are required to use the appropriate area code and telephone number.

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