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NPA: 303 [Rate centres in NPA 303] [Dial plan for NPA 303]

Block: A

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
303-200 A Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
303-201 A Denver CO DNVRCOMAXTZ  6630 USA MOBILITY WIRELESS, INC. 656      
303-202 A Denver CO LKWDCOMADS0  9636 QWEST CORPORATION 656      
303-203 A Denver CO ENWDCOVF0MD  9748 AMERICAN MESSAGING SERVICES, LLC 656      
303-204 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
303-205 A Denver CO LKWDCOMADS0  9636 QWEST CORPORATION 656      
303-206 A Denver CO DNVRCOMAXTZ  6630 USA MOBILITY WIRELESS, INC. 656      
303-207 A Denver CO DNVRCOMAXTZ  6630 USA MOBILITY WIRELESS, INC. 656      
303-208 A Denver CO DNVRCOMAXTZ  6630 USA MOBILITY WIRELESS, INC. 656      
303-209 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-210 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
303-212 A Denver CO ENWDCOVF0MD  9748 AMERICAN MESSAGING SERVICES, LLC 656      
303-213 A Denver CO DNVRCOMAXTZ  6630 USA MOBILITY WIRELESS, INC. 656      
303-214 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-215 A Denver CO GLDNCOMADS0  9636 QWEST CORPORATION 656      
303-216 A Denver CO GLDNCOMADS0  9636 QWEST CORPORATION 656      
303-217 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-218 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-219 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-220 A Denver CO DNVRCODCDS0  9636 QWEST CORPORATION 656      
303-221 A Denver CO DNVRCODCDS0  9636 QWEST CORPORATION 656      
303-222 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-223 A Denver CO   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-224 A Denver CO DNVRCODCDS0  9636 QWEST CORPORATION 656      
303-225 A Denver CO   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-226 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-227 A Denver CO DNVRCONEDS0  9636 QWEST CORPORATION 656      
303-228 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-229 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
303-230 A Denver CO DNVRCOMAXTZ  6630 USA MOBILITY WIRELESS, INC. 656      
303-231 A Denver CO LKWDCOMADS0  9636 QWEST CORPORATION 656      
303-232 A Denver CO LKWDCOMADS0  9636 QWEST CORPORATION 656      
303-233 A Denver CO LKWDCOMADS0  9636 QWEST CORPORATION 656      
303-234 A Denver CO LKWDCOMADS0  9636 QWEST CORPORATION 656      
303-235 A Denver CO LKWDCOMADS0  9636 QWEST CORPORATION 656      
303-236 A Denver CO LKWDCOMADS0  9636 QWEST CORPORATION 656      
303-237 A Denver CO LKWDCOMADS0  9636 QWEST CORPORATION 656      
303-238 A Denver CO LKWDCOMADS0  9636 QWEST CORPORATION 656      
303-239 A Denver CO LKWDCOMADS0  9636 QWEST CORPORATION 656      
303-240 A Denver CO DNVRCOMAXTZ  6630 USA MOBILITY WIRELESS, INC. 656      
303-241 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
303-242 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-243 A Denver CO DNVRCOMA47Z  6874 N.E. COLORADO CELLULAR, INC. 656      
303-244 A Denver CO DNVRCOCPDS0  9636 QWEST CORPORATION 656      
303-245 A Denver CO BLDRCOMADS0  9636 QWEST CORPORATION 656      
303-246 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
303-247 A Denver CO BLDRCOMADS0  9636 QWEST CORPORATION 656      
303-248 A Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
303-249 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-250 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-251 A Denver CO DNVRCOMAXTZ  6630 USA MOBILITY WIRELESS, INC. 656      
303-252 A Denver CO NGLNCOMADS0  9636 QWEST CORPORATION 656      
303-253 A Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
303-254 A Denver CO NGLNCOMADS0  9636 QWEST CORPORATION 656      
303-255 A Denver CO NGLNCOMADS0  9636 QWEST CORPORATION 656      
303-256 A Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
303-257 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
303-258 A Denver CO NDLDCOMARS1  9636 QWEST CORPORATION 656      
303-259 A Denver CO ENWDCOVF0MD  9748 AMERICAN MESSAGING SERVICES, LLC 656      
303-260 A Denver CO DNVRCOMADS0  9636 QWEST CORPORATION 656      
303-261 A Denver CO AURRCOMBRS1  9636 QWEST CORPORATION 656      
303-262 A Denver CO   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
303-263 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
303-264 A Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
303-265 A Denver CO DNVRCODCDS0  9636 QWEST CORPORATION 656      
303-266 A Denver CO DNVRCOMAXTZ  6630 USA MOBILITY WIRELESS, INC. 656      
303-267 A Denver CO DNVRCODCDS0  9636 QWEST CORPORATION 656      
303-268 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-269 A Denver CO DNVRCOSHDS0  9636 QWEST CORPORATION 656      
303-270 A Denver CO DNVRCOEADS0  9636 QWEST CORPORATION 656      
303-271 A Denver CO GLDNCOMADS0  9636 QWEST CORPORATION 656      
303-272 A Denver CO BRFDCOMADS0  9636 QWEST CORPORATION 656      
303-273 A Denver CO GLDNCOMADS0  9636 QWEST CORPORATION 656      
303-274 A Denver CO LKWDCOMADS0  9636 QWEST CORPORATION 656      
303-275 A Denver CO LKWDCOMADS0  9636 QWEST CORPORATION 656      
303-276 A Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
303-277 A Denver CO GLDNCOMADS0  9636 QWEST CORPORATION 656      
303-278 A Denver CO GLDNCOMADS0  9636 QWEST CORPORATION 656      
303-279 A Denver CO GLDNCOMADS0  9636 QWEST CORPORATION 656      
303-280 A Denver CO NGLNCOMADS0  9636 QWEST CORPORATION 656      
303-281 A Denver CO DNVRCOSODS0  9636 QWEST CORPORATION 656      
303-282 A Denver CO DNVRCOSODS0  9636 QWEST CORPORATION 656      
303-283 A Denver CO DNVRCOSLDS0  9636 QWEST CORPORATION 656      
303-284 A Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
303-285 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-286 A Denver CO DNVRCONEDS0  9636 QWEST CORPORATION 656      
303-287 A Denver CO DNVRCONEDS0  9636 QWEST CORPORATION 656      
303-288 A Denver CO DNVRCONEDS0  9636 QWEST CORPORATION 656      
303-289 A Denver CO DNVRCONEDS0  9636 QWEST CORPORATION 656      
303-290 A Denver CO DNVRCODCDS0  9636 QWEST CORPORATION 656      
303-291 A Denver CO DNVRCOCPDS0  9636 QWEST CORPORATION 656      
303-292 A Denver CO DNVRCOCPDS0  9636 QWEST CORPORATION 656      
303-293 A Denver CO DNVRCOCPDS0  9636 QWEST CORPORATION 656      
303-294 A Denver CO DNVRCOCPDS0  9636 QWEST CORPORATION 656      
303-295 A Denver CO DNVRCOCPDS0  9636 QWEST CORPORATION 656      
303-296 A Denver CO DNVRCOCPDS0  9636 QWEST CORPORATION 656      
303-297 A Denver CO DNVRCOCPDS0  9636 QWEST CORPORATION 656      
303-298 A Denver CO DNVRCOCPDS0  9636 QWEST CORPORATION 656      
303-299 A Denver CO DNVRCOCPDS0  9636 QWEST CORPORATION 656      
303-300 A Denver CO DNVRCOSEDS0  9636 QWEST CORPORATION 656      

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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