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Area Codes > 406 > Central Office Codes

Exchange Rate Center State Operating Company
406-201 FORSYTH MT WESTERN WIRELESS CORPORATION-MT
406-202 HELENA MT WESTERN WIRELESS CORPORATION-MT
406-203 MISSOULA MT LEVEL 3 COMMUNICATIONS, LLC - MT
406-204 HELENA MT LEVEL 3 COMMUNICATIONS, LLC - MT
406-205 GREATFALLS MT LEVEL 3 COMMUNICATIONS, LLC - MT
406-206 BILLINGS MT LEVEL 3 COMMUNICATIONS, LLC - MT
406-207 MISSOULA MT WESTERN WIRELESS CORPORATION-MT
406-208 BILLINGS MT WESTERN WIRELESS CORPORATION-MT
406-209 BOZEMAN MT WESTERN WIRELESS CORPORATION-MT
406-210 SEELEYLAKE MT CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT
406-211 MT
406-212 KALISPELL MT WESTERN WIRELESS CORPORATION-MT
406-213 COLSTRIP MT LEVEL 3 COMMUNICATIONS, LLC - MT
406-214 MISSOULA MT COMMPARTNERS, LLC - MT
406-215 BILLINGS MT CONTACT COMMUNICATIONS, WY
406-216 GREATFALLS MT 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT
406-217 GREATFALLS MT AT&T LOCAL
406-218 MISSOULA MT SPRINT SPECTRUM L.P.- MT
406-219 BOZEMAN MT AT&T LOCAL
406-220 LIVINGSTON MT WESTERN WIRELESS CORPORATION-MT
406-221 BUTTE MT AT&T LOCAL
406-222 LIVINGSTON MT QWEST CORPORATION
406-223 LIVINGSTON MT CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT
406-224 LIVINGSTON MT CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT
406-225 BOULDER MT QWEST CORPORATION
406-226 EGLACIERPK MT QWEST CORPORATION
406-227 HELENA MT QWEST CORPORATION
406-228 GLASGOW MT NEMONT TELEPHONE COOPERATIVE, INC.
406-229 CUT BANK MT WESTERN WIRELESS CORPORATION-MT
406-230 GLASGOW MT WESTERN WIRELESS CORPORATION-MT
406-231 GREATFALLS MT WESTERN WIRELESS CORPORATION-MT
406-232 MILES CITY MT QWEST CORPORATION
406-233 MILES CITY MT QWEST CORPORATION
406-234 MILES CITY MT MID-RIVERS TELEPHONE COOPERATIVE, INC.
406-235 WOLF CREEK MT QWEST CORPORATION
406-236 NEIHART MT 3 RIVERS TELEPHONE COOPERATIVE, INC.
406-237 BILLINGS MT QWEST CORPORATION
406-238 BILLINGS MT QWEST CORPORATION
406-239 MISSOULA MT WESTERN WIRELESS CORPORATION-MT
406-240 MISSOULA MT WESTERN WIRELESS CORPORATION-MT
406-241 MISSOULA MT WESTERN WIRELESS CORPORATION-MT
406-242 THOMPSNFLS MT WESTERN WIRELESS CORPORATION-MT
406-243 MISSOULA MT QWEST CORPORATION
406-244 POTOMAC MT BLACKFOOT TELEPHONE COOPERATIVE, INC.
406-245 BILLINGS MT QWEST CORPORATION
406-246 DIXON MT BLACKFOOT TELEPHONE COOPERATIVE, INC.
406-247 BILLINGS MT QWEST CORPORATION
406-248 BILLINGS MT QWEST CORPORATION
406-249 KALISPELL MT CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT
406-250 KALISPELL MT CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT
406-251 MISSOULA MT QWEST CORPORATION
406-252 BILLINGS MT QWEST CORPORATION
406-253 KALISPELL MT WESTERN WIRELESS CORPORATION-MT
406-254 BILLINGS MT QWEST CORPORATION
406-255 BILLINGS MT QWEST CORPORATION
406-256 BILLINGS MT QWEST CORPORATION
406-257 KALISPELL MT CENTURYTEL OF MONTANA, INC.
406-258 MISSOULA MT QWEST CORPORATION
406-259 BILLINGS MT QWEST CORPORATION
406-260 KALISPELL MT WESTERN WIRELESS CORPORATION-MT
406-261 KALISPELL MT WESTERN WIRELESS CORPORATION-MT
406-262 HAVRE MT QWEST CORPORATION
406-263 GLASGOW MT SAGEBRUSH CELLULAR, INC.
406-264 FORT SHAW MT 3 RIVERS TELEPHONE COOPERATIVE, INC.
406-265 HAVRE MT QWEST CORPORATION
406-266 TOWNSEND MT QWEST CORPORATION
406-267 DIVIDE MT SOUTHERN MONTANA TELEPHONE CO.
406-268 GREATFALLS MT QWEST CORPORATION
406-269 CONRAD MT CONTACT COMMUNICATIONS, WY
406-270 KALISPELL MT CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT
406-271 CONRAD MT 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT
406-272 BILLINGS MT 360NETWORKS (USA) INC. - MT
406-273 MISSOULA MT QWEST CORPORATION
406-274 MISSOULA MT AT&T LOCAL
406-275 PABLO MT RONAN TELEPHONE CO.
406-276 LIMA MT 3 RIVERS TELEPHONE COOPERATIVE, INC.
406-277 BELT MT 3 RIVERS TELEPHONE COOPERATIVE, INC.
406-278 CONRAD MT QWEST CORPORATION
406-279 VALIER MT 3 RIVERS TELEPHONE COOPERATIVE, INC.
406-280 ST REGIS MT WESTERN WIRELESS CORPORATION-MT
406-281 BILLINGS MT AT&T LOCAL
406-282 MANHATTAN MT QWEST CORPORATION
406-283 LIBBY MT CITIZENS TELECOM CO OF MT-FRONTIER COMM OF MT
406-284 MANHATTAN MT QWEST CORPORATION
406-285 THREEFORKS MT QWEST CORPORATION
406-286 RESERVE MT NEMONT TELEPHONE COOPERATIVE, INC.
406-287 WHITEHALL MT QWEST CORPORATION
406-288 DRUMMOND MT BLACKFOOT TELEPHONE COOPERATIVE, INC.
406-289 CONRAD MT WESTERN WIRELESS CORPORATION-MT
406-290 COLUMBUS MT 360NETWORKS (USA) INC. - MT
406-291 LIBBY MT CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT
406-292 JOPLIN MT TRIANGLE TELEPHONE COOPERATIVE ASSN., INC.
406-293 LIBBY MT CITIZENS TELECOM CO OF MT-FRONTIER COMM OF MT
406-294 BILLINGS MT ONE EIGHTY COMMUNICATIONS, INC. - MT
406-295 TROY MT CITIZENS TELECOM CO OF MT-FRONTIER COMM OF MT
406-296 EUREKA MT CITIZENS TELECOM CO OF MT-FRONTIER COMM OF MT
406-297 EUREKARURL MT INTERBEL TELEPHONE COOPERATIVE, INC. - MT
406-298 COLUMBUS MT CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT
406-299 BUTTE MT LEVEL 3 COMMUNICATIONS, LLC - MT
406-301 MALTA MT WESTERN WIRELESS CORPORATION-MT