The area codes actually amazing! Never knew who develop this system until today. The area codes system was developed by AT&T and Bell Laboratories in 1940s and becomes effective in 1947 and people started using it in 1950's*. it was called North American Numbering Plan (NANP).
In 1947, United States and provinces that had area code we assigned three digit codes with 0 as middle number, such as 305 for Florida, 205 for Alabama, 303 for Colorado etc*.
The first and 3rd digits were decided according to population density in the city or region*. The most populated arrears getting the lowest numbers. For example, New York City area, was assigned 212, while the surrounding suburbs were 315, 518, and 914 and so on.
Related Video
Source: http://www.area-codes.com/area-code-history.asp
Subscribe to:
Post Comments (Atom)
Who developed/ invented Microsoft Excel?
Microsoft Excel was created by Doug Klunder , a software developer at Microsoft. He developed it in the mid-1980s as part of Microsoft...
-
A n I.B.M engineer, George Lauerer designed Universal Product Code as it visible on products we buy. Mr. Lauerer was asked to develop u... -
Right before reading this fact, I actually tried it by myself since I am a bilingual but I had a hard time writing couple letters from bo... -
An IP (Internet Protocol) address is a numerical label assigned to each device connected to a computer network that uses the Internet Proto...
No comments:
Post a Comment