Search results
Results from the WOW.Com Content Network
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.
The largest telephone numbering plan in North American is the North American Numbering Plan (NANP), serving 25 regions or countries. Other countries maintain an autonomous numbering plan with distinct country codes within the international E.164 specifications by the International Telecommunication Union.
By the early 1960s, DDD had become commonplace in cities and most towns in the United States and Canada. By 1967, the number of assigned area codes had increased to 129 as demand for numbers led to splits of some areas and other countries joined the system. [7]
This makes the fastest-dialing area code 212 (5 total clicks), followed by 312 and 213 (6 clicks). The area code 605 is much slower than these, at 21 clicks. Many large US cities generally had fast-dialing area codes with the middle digit 1. Touch-tone dialing, introduced later, eliminated the wait.
Pages in category "Area codes in the United States" The following 200 pages are in this category, out of approximately 296 total. ... Toll-free telephone number; 0 ...
Toll-free telephone numbers in the North American Numbering Plan have the area code prefix 800, 833, 844, 855, 866, 877, and 888. Additionally, area codes 822, 880 through 887, and 889 are reserved for toll-free use in the future. 811 is excluded because it is a special dialing code in the group NXX for various other purposes.
A phone number communicates a lot --and if you dig a little deep, an area code contains information about the economic situation of its residents, too. Richest and poorest area codes in the US ...
Pages in category "Lists of United States area codes" The following 52 pages are in this category, out of 52 total. This list may not reflect recent changes. *