BTA013 Amarillo, TX
and MTA007 Dallas-Fort Worth
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:
Quay,NM Union,NM Cimarron,OK Armstrong,TX Briscoe,TX Carson,TX Castro,TX Childress,TX Collingsworth,TX Dallam,TX Deaf Smith,TX Donley,TX Gray,TX Hall,TX Hansford,TX Hartley,TX Hemphill,TX Hutchinson,TX Lipscomb,TX Moore,TX Ochiltree,TX Oldham,TX Potter,TX Randall,TX Roberts,TX Sherman,TX Swisher,TX Wheeler,TX