BTA110 Denver, CO
and MTA022 Denver
Block A - CDMA   25 to  275 - GSM 512 to 585        1850  -1865   1930  -1945

Block D - CDMA  325 to  375 - GSM 587 to 610        1865  -1870   1945  -1950

Block B - CDMA  425 to  675 - GSM 612 to 685        1870  -1885   1950  -1965

Block E - CDMA  725 to  775 - GSM 687 to 710        1885  -1890   1965  -1970

Block F - CDMA  825 to  875 - GSM 712 to 735        1890  -1895   1970  -1975

Block C - CDMA  925 to 1175 - GSM 737 to 810        1895  -1910   1975  -1990
This BTA includes the counties of:
Adams,CO Arapahoe,CO Boulder,CO Chaffee,CO Cheyenne,CO Clear Creek,CO Denver,CO Douglas,CO Eagle,CO Elbert,CO Grand,CO Gunnison,CO Hinsdale,CO Jackson,CO Jefferson,CO Kit Carson,CO Lake,CO Lincoln,CO Logan,CO Moffat,CO Morgan,CO Park,CO Phillips,CO Pitkin,CO Routt,CO Sedgwick,CO Summit,CO Washington,CO Yuma,CO Cheyenne,KS Sherman,KS Wallace,KS