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NPA: 307 [Rate centres in NPA 307] [Dial plan for NPA 307]

Block: A

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-200 A Jackson WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654      
307-201 A Jackson WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654      
307-202 A Powell WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-203 A Jackson WY CHYNWY07GMD  6529 T-MOBILE USA, INC. 654      
307-204 A Cody WY CHYNWYRFDS0  581H AIRUS, INC. - WY 654      
307-205 A Lingle WY GDISNENW6MD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 646      
307-206 A Lander WY CHYNWYMAZMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 654      
307-207 A Lake WY BLNGMT93DS0  581H AIRUS, INC. - WY 650      
307-209 A Rock Springs WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-210 A Southeast Sheridan WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-212 A Rock Springs WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654      
307-213 A Cody WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654      
307-214 A Cheyenne WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-215 A Casper WY CHYNWYMAQMD  081F BANDWIDTH.COM CLEC, LLC - WY 654      
307-216 A Lusk WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-217 A Buffalo WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-218 A Sheridan WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654      
307-219 A Powell WY CHYNWYMAXAX  508J CENTURYLINK COMMUNICATIONS, LLC 654      
307-220 A Cheyenne WY CHYNWY07GMD  6529 T-MOBILE USA, INC. 654      
307-221 A Cheyenne WY CHYNWY07GMD  6529 T-MOBILE USA, INC. 654      
307-222 A Cheyenne WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654      
307-223 A Laramie WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654      
307-224 A Casper WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654      
307-225 A Laramie WY CHYNWYJL9MD  792K CHARTER IP ENABLED SERVICES, LLC 654      
307-226 A Afton WY CHYNWYMAX0Y  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 654      
307-227 A Mammoth WY BLNGMTAS9MD  450F ONVOY, LLC - WY 650      
307-228 A Gillette WY CHYNWYMAQMD  081F BANDWIDTH.COM CLEC, LLC - WY 654      
307-229 A Cokeville WY CHYNWYMAX6X  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-230 A Border WY BOISIDMAXYX  081F BANDWIDTH.COM CLEC, LLC - WY 652      
307-231 A Pinedale WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-232 A Casper WY CSPRWYMADS0  9636 QWEST CORPORATION 654      
307-233 A Casper WY CSPRWYMADS0  9636 QWEST CORPORATION 654      
307-234 A Casper WY CSPRWYMADS0  9636 QWEST CORPORATION 654      
307-235 A Casper WY CSPRWYMADS0  9636 QWEST CORPORATION 654      
307-236 A Burns WY CHYNWYMAX6X  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-237 A Casper WY CSPRWYMADS0  9636 QWEST CORPORATION 654      
307-238 A Hamilton Dome WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-239 A Dubois WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-240 A Riverton WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-241 A Wheatland WY CHYNWYMAX6X  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-242 A Lake WY LAKEWYMARS1  9636 QWEST CORPORATION 650      
307-243 A Casper WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654      
307-244 A Freedom WY FRDMWYXCDS3  2295 SILVER STAR TEL CO INC 654      
307-245 A Pine Bluffs WY PNBLWYXCRS0  3410 RT COMMUNICATIONS 654      
307-246 A Albin WY ALBNWYXCRS1  3410 RT COMMUNICATIONS 654      
307-247 A Casper WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-248 A Afton WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-249 A Jackson WY CHYNWYMAXDX  073H TELNYX LLC 654      
307-250 A Cody WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-251 A Casper WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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