![Annex L: Telephone area codes and local authority areas in Scotland - Effectiveness of actions to reduce harm from nuisance calls in Scotland - gov.scot Annex L: Telephone area codes and local authority areas in Scotland - Effectiveness of actions to reduce harm from nuisance calls in Scotland - gov.scot](https://www.gov.scot/binaries/content/gallery/publications/report/2018/03/effectiveness-actions-reduce-harm-nuisance-calls-scotland/00532933.gif)
Annex L: Telephone area codes and local authority areas in Scotland - Effectiveness of actions to reduce harm from nuisance calls in Scotland - gov.scot
Aaron Astor on Twitter: "I once took the time to memorize every telephone area code in the US. The cell phone age and the multi-code overlays made this really hard. But it's
![The original 1947 Telephone Area Code Map - Codes were assigned based on population and time it took to dial the code on a rotary phone dial. High population areas got small The original 1947 Telephone Area Code Map - Codes were assigned based on population and time it took to dial the code on a rotary phone dial. High population areas got small](https://i.redd.it/unygp3sm9k881.jpg)
The original 1947 Telephone Area Code Map - Codes were assigned based on population and time it took to dial the code on a rotary phone dial. High population areas got small
![806 area code phone numbers required to dial 10-digits for local calls starting Oct. 25 | KLBK | KAMC | EverythingLubbock.com 806 area code phone numbers required to dial 10-digits for local calls starting Oct. 25 | KLBK | KAMC | EverythingLubbock.com](https://www.everythinglubbock.com/wp-content/uploads/sites/35/2021/04/Texas-Area-Code-Map-10-Digit-Dialing-1280.jpg?w=1280)