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Area code 603 in a 1956 map, covering the whole state.. Area code 603 is the sole area code for the U.S. state of New Hampshire in the North American Numbering Plan (NANP). It was created as one of the original 86 numbering plan areas in October 1947.
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]
A telephone prefix is the first set of digits after the country, and area codes of a telephone number.In the North American Numbering Plan countries (country code 1), it is the first three digits of a seven-digit local phone number, the second three digits of the 3-3-4 scheme.
For example, 234 235-5678 is a valid telephone number; with area code 234, central office prefix (exchange) 235, and line number 5678. The number 234 911-5678 is invalid, because the central office code must not be in the form N11. 314 159-2653 is invalid, because the office code must not begin with 1.
For example, if a dial customer calling from TAylor 4725 dialed a number served by a manual exchange, e.g., ADams 1383-W, the call was completed, from the subscriber's perspective, exactly as a call to LEnnox 5813, in an automated exchange.
In the local Facebook group, “Exeter, NH Community Forum,” a post by Shana Hoch announcing the news received over 200 likes and nearly 100 comments. “Oh my poor wallet, they have the best ...
The name NYNEX was an acronym for New York New England Exchange. [3 ... and business phone rates in New York by 1999. ... the number of lines reported out of service ...
Under "Phase-in of All-number Calling", it says "Even today, however, it is not uncommon in New York City to see a brand new commercial vehicle with a telephone number such as 'JA 6-xxxx'." What the heck does that mean exactly? Also, if my phone number was 926-5309, how would that be written out today as a "2-5 numbers" or 2L-5D number?