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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
307-457 A Gas Hills WY GSHLWYAARS0  3410 RT COMMUNICATIONS 654      
307-458 A Casper WY CHYNWYRFDMD  490J BOOST SUBSCRIBERCO L.L.C. 654   2024-01-15   
307-459 A Cheyenne WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654      
307-460 A Laramie WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654      
307-461 A Sheridan WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654      
307-462 A Casper WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654      
307-463 A Riverton WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654      
307-464 A Wright WY WRGHWYMARS1  9636 QWEST CORPORATION 654      
307-465 A Newcastle WY OSAGWYXCRS1  3410 RT COMMUNICATIONS 654      
307-466 A Green River WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-467 A Hulett WY HLTTWYXCRS1  3410 RT COMMUNICATIONS 654      
307-468 A Upton WY UPTNWYXCRS1  3410 RT COMMUNICATIONS 654      
307-469 A Hyattville WY BASNWYXCDS1  2296 TRI-COUNTY TEL. ASSN., INC. 654      
307-471 A Lusk WY   6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-472 A Casper WY CSPRWYMADS0  9636 QWEST CORPORATION 654      
307-473 A Casper WY CSPRWYMADS0  9636 QWEST CORPORATION 654      
307-474 A Cody WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2025-02-02   
307-475 A Cheyenne WY CHYNWYRF1MD  073H TELNYX LLC 654      
307-476 A Laramie WY   450F ONVOY, LLC - WY 654   2025-03-02   
307-477 A Cheyenne WY CHYNWYVACM1  013B UNION TELEPHONE COMPANY 654      
307-478 A La Grange WY   6529 T-MOBILE USA, INC. 646   2025-04-04   
307-479 A Powell WY   450F ONVOY, LLC - WY 654   2025-04-05   
307-480 A Thermopolis WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-481 A Lusk WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654      
307-482 A Wheatland WY   6529 T-MOBILE USA, INC. 654   2025-06-05   
307-483 A Rawlins WY   6010 NEW CINGULAR WIRELESS PCS, LLC 654   2025-06-26   
307-484 A Cheyenne WY   700J WAVENATION, LLC 654   2026-03-06   
307-485 A Casper WY   6529 T-MOBILE USA, INC. 654   2025-07-03   
307-486 A Crowheart WY DUBSWYXCRS0  2291 DUBOIS TEL. EXCH., INC. 654      
307-487 A Gillette WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-488 A Lander WY CHYNWYMAQMD  081F BANDWIDTH.COM CLEC, LLC - WY 654      
307-489 A Shirley Basin WY CHYNWYMAX6X  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-490 A Upton WY   792K CHARTER IP ENABLED SERVICES, LLC 654   2026-04-26   
307-496 A Lake WY   114J EXIANT COMMUNICATIONS LLC 650   2026-05-22   
307-497 A Evanston WY EVTNWY162MD  2290 ALL WEST COMMUNICATIONS - WY 654      
307-500 A Border WY BOISIDMAXIX  450F ONVOY, LLC - WY 652      
307-507 A Cheyenne WY   953H WIDE VOICE, LLC - WY 654   2025-05-30   
307-509 A Cheyenne WY CHYNWYMAQMD  081F BANDWIDTH.COM CLEC, LLC - WY 654      
307-514 A Cheyenne WY   792K CHARTER IP ENABLED SERVICES, LLC 654      
307-520 A Medicine Bow WY CHYNWYVACM1  013B UNION TELEPHONE COMPANY 654      
307-522 A Rock Springs WY CHYNWYRFDS0  581H AIRUS, INC. - WY 654      
307-527 A Cody WY CODYWYMADS0  9636 QWEST CORPORATION 654      
307-529 A Cheyenne WY   450F ONVOY, LLC - WY 654   2025-03-23   
307-532 A Torrington WY TRTNWYXCRP0  4531 UNITED TEL CO WEST - WY DBA CENTURYLINK WEST - WY 646      
307-533 A Sheridan WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-534 A Torrington WY TRTNWYXCRP0  4531 UNITED TEL CO WEST - WY DBA CENTURYLINK WEST - WY 646      
307-537 A Pinedale WY PNDLWYXCDS0  2299 CENTURYTEL OF WYOMING, INC. DBA CENTURYLINK 654      
307-540 A Jeffrey City WY CHYNWYVACM1  013B UNION TELEPHONE COMPANY 654      
307-541 A Moran WY CHYNWYVACM1  013B UNION TELEPHONE COMPANY 654      
307-543 A Moran WY MORNWYMARS1  9636 QWEST CORPORATION 654      

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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