Area codes NE - Wikimedia Public Domain Atlas
Area codes for State of Nebraska and neighboring states. Based on map from NationalAtlas.gov
The Bell System technical journal (1922) (14570186909)
Identifier: bell00systemvol31techniamerrich (find matches) Title: The Bell System technical journal Year: 1922 (1920s) Authors: American Telephone and Telegraph Company Subjects: Telecommunication Electric ... More
The Bell System technical journal 1952 Area Code map of USA
Identifier: bell00systemvol31techniamerrich (find matches) Title: The Bell System technical journal Year: 1922 (1920s) Authors: American Telephone and Telegraph Company Subjects: Telecommunication Electric ... More