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Seven-digit dialing is a telephone dialing procedure customary in some territories of the North American Numbering Plan (NANP) for dialing telephone numbers in the same numbering plan area (NPA). NANP telephone numbers consist of ten digits, of which the leading three are the area code.
Because two area codes reside in the same geography, all calls must be dialed using the area code + the seven-digit telephone number (10 digits). (Some states require 1+10-digit dialing) What is 10-digit dialing? 10-digit dialing is a term used to refer to the practice of including the area code of a phone number when making local calls.
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Oct 19, 2021 · USA TODAY. 0:03. 0:56. Seven-digit dialing is out, 10-digit dialing is in. Starting Sunday, Oct. 24, callers in 82 area codes across 35 states and one U.S. territory will be required to use...
Area Codes; Alaska: 907: Alabama: 205, 251, 256, 334: Arkansas: 479, 501, 870: Arizona: 480, 520, 602, 623, 928: California: 209, 213, 310, 323, 408, 415, 510, 530, 559, 562, 619, 626, 650, 661, 707, 714, 760, 805, 818, 831, 858, 909, 916, 925, 949, 951: Colorado: 303, 719, 970: Connecticut: 203, 860: District of Columbia: 202: Delaware: 302 ...
1. Sort by: MrDowntown. • 10 yr. ago • Edited 10 yr. ago. This varied by city and phone company, but for large cities whose phone companies were part of the Bell System, it was usually after World War II. In 1948, for example, Chicago shifted to 2 letter + 5 digit dialing, already in use in some other big cities and becoming a Bell System standard.
Seven-digit telephone number; Area code + seven-digit telephone number; 1 + area code + seven-digit telephone number; To learn more about local calling in your specific area, please refer to the Customer Info Guide in your Verizon DexMedia white pages directory.
1. Note the US International Exit Code (+1 / 001) 2. Obtain the US Country Code (1) 3. Check the US Area Code. 4. Double-Check the 7-Digit Local Phone Number. 5. Ensure the Correct US Phone Number Format. All US Area Codes. The Current US Phone Number Format. Telephone Area Codes. Local Telephone Exchanges. Separators. Toll-Free Numbering.
