AT&T Long Lines: The Area Code System
This video describes the history of phone numbers in America and explains how area codes revolutionized long distance calling.
My original Long Lines video: • AT&T Long Lines: The Wireless Network Befo...
All content used in this video is in the public domain or qualifies as fair use for educational purposes.
Sources and further reading:
https://en.wikipedia.org/wiki/North_A...
https://en.wikipedia.org/wiki/Origina...
https://en.wikipedia.org/wiki/Area_co...
https://en.wikipedia.org/wiki/Overlay...
https://en.wikipedia.org/wiki/Interch...
https://en.wikipedia.org/wiki/Central...
https://www.lincmad.com/
https://archive.org/details/ATT-1955-...
https://www.allareacodes.com/
Video sources:
• Long Distance Telephone Calls: Speeding Sp...
• AT&T Archives: Now You Can Dial
Video chapters:
0:00 Operator-assisted long-distance calling/Intro
1:06 Phone numbers before the area code
1:26 Anatomy of modern phone numbers
1:52 Original area codes, 1947
2:16 Rules for area codes
3:42 Splits and overlays
5:22 Outro