среда, 1 ноября 2017 г.

The Weird Logic Behind Area Codes


The Weird Logic Behind Area Codes
Why aren’t area codes laid out in a seemingly logical way, like ZIP Codes are? Part of the answer can be found in the rotary dial of early telephones.

http://ift.tt/2gVhCw3 November 1, 2017 at 07:03PM
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