Telephone Central Office Building Pictures
Central Office buildings house the telephone switching equipment of landline telephones throughout the country. This is a collection of central office buildings throughout the United States and elsewhere.
Central Office
Buildings
Western States
List of Central Office Buildings in the Upper Midwestern states (former US West (now Qwest) territory).
Total for this region: 86
Alaska (0)
Arizona (81)
Area Code 480 (14)
Area Code 520 (30)
Area Code 602 (10)
Area Code 623 (10)
Area Code 928 (17)
Colorado (0)
Idaho (0)
Iowa (0)
Montana (0)
Nebraska (0)
New Mexico (0)
New Mexico (2)
Area Code 505 (2)
North Dakota (0)
Oregon (0)
South Dakota (3)
Area Code 605 (3 + 1 CLEC)
Utah (0)
Washington (0)
Wyoming (0)
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