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2. Taos County, created by the Territory of New Mexico in 1852, was the first organized county to extend into the area of the present State of Colorado. 3. Arapahoe County, created by the Territory of Kansas in 1855, was the first county created exclusively within the area of the present State of Colorado. 4.
List of United States FIPS codes by county. ... Aleutians West Census Area [b] 02020 Anchorage, ... Colorado: 08003 Alamosa County: 08005 Arapahoe County:
Colorado Municipalities by County; Rank County Population % State Rank Municipality Population % County Map 1 City and County of Denver: 716,492 12.58% 1 City and County of Denver: 716,492 100% 2 El Paso County: 713,856 12.53% 1 City of Colorado Springs: 472,688 66.22% 2 City of Fountain: 30,454 4.27% 3 Town of Monument: 8,010 1.12% 4 City of ...
Today it only serves the greater Denver Metropolitan Area. Area codes 720 and 983 are overlay codes for today's 303 numbering plan area (NPA). Area code 719 serves Colorado Springs and southeastern Colorado. Area code 970 serves northern and western Colorado. Area code 748 will be introduced to the northern and western areas of Colorado in 2026.
Created conflicts in area code regions that allowed seven-digit dialling and had been using numbers beginning in 988; a total of 82 area codes switched to ten-digit dialling as a result. [24] 989: Michigan (Alpena, Mt. Pleasant, Bay City, Saginaw, Midland, Owosso, and a part of central Michigan) April 7, 2001: split of 517; 990–999
The U.S. State of Colorado has 20 statistical areas that have been delineated by the Office of Management and Budget (OMB). Statistical areas are important geographic delineations of population clusters used by the OMB, the United States Census Bureau, planning organizations, and federal, state, and local government entities.
Post office Current county ZIP Code Date opened Date closed Abarr: Yuma: 80759 Feb 26, 1923 Nov 30, 1947 Abbey [a]: Pueblo: May 29, 1891 Dec 31, 1914
The numbering plan area comprises Denver and Boulder, as well as their surrounding suburbs, including Lakewood, Littleton, Longmont, Broomfield, Aurora, and Castle Rock. Area code 303 is the original area code, while area codes 720 and 983 were added (in 1998 and 2022 respectively) to form an overlay complex for the area, meaning that the same ...