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

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-554 0 Glenrock WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2009-05-22   
307-554 1 Glenrock WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2019-05-24   
307-554 2 Glenrock WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2020-12-19   
307-554 3 Glenrock WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2020-12-19   
307-554 4 Glenrock WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2013-06-11   
307-554 5 Glenrock WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2019-09-07   
307-554 6 Glenrock WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2010-11-13   
307-554 7 Glenrock WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2007-03-09   
307-554 8 Glenrock WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2012-01-13   
307-554 9 Glenrock WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2021-03-02   
307-556 A Riverton WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654      
307-556 0 Riverton WY CHYNWYRF2MD  939H COMMIO, LLC 654   2022-07-29   
307-556 1 Riverton WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2023-08-11   
307-556 2 Riverton WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2021-07-11   
307-556 3 Riverton WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2021-07-11   
307-556 4 Riverton WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2023-08-11   
307-556 5 Riverton WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2021-04-06   
307-556 6 Riverton WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2021-04-06   
307-556 7 Riverton WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2023-08-11   
307-556 8 Riverton WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2023-08-11   
307-556 9 Riverton WY CSPRWYMAXEX  6529 T-MOBILE USA, INC. 654   2022-03-31   
307-567 A Gillette WY CHYNWYVACM1  013B UNION TELEPHONE COMPANY 654      
307-568 A Basin WY BASNWYXCDS1  2296 TRI-COUNTY TEL. ASSN., INC. 654      
307-575 A Torrington WY GDISNENWX5X  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 646      
307-575 0 Torrington WY GDISNENWX5X  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 646      
307-575 1 Torrington WY GDISNENWX5X  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 646      
307-575 2 Torrington WY GDISNENWX5X  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 646      
307-575 3 Torrington WY GDISNENWX5X  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 646      
307-575 4 Torrington WY GDISNENWX5X  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 646      
307-575 5 Torrington WY GDISNENWX5X  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 646      
307-575 6 Torrington WY GDISNENWX5X  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 646      
307-575 7 Torrington WY GDISNENWXBX  6874 N.E. COLORADO CELLULAR, INC. 646   2009-12-03   
307-575 8 Torrington WY SCTSNEXUIMD  6010 NEW CINGULAR WIRELESS PCS, LLC 646   2010-11-13   
307-575 9 Torrington WY GDISNENWX5X  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 646      
307-576 A Leigh Canyon WY DRGSIDMADS2  2214 COLUMBINE TELCO DBA SILVER STAR COMMUNICATIONS 652      
307-577 A Casper WY CSPRWYMADS0  9636 QWEST CORPORATION 654      
307-578 A Cody WY CODYWYMADS0  9636 QWEST CORPORATION 654      
307-578 0 Cody WY CODYWYMADS0  9636 QWEST CORPORATION 654      
307-578 1 Cody WY CODYWYMADS0  9636 QWEST CORPORATION 654      
307-578 2 Cody WY CODYWYMADS0  9636 QWEST CORPORATION 654      
307-578 3 Cody WY CODYWYMADS0  9636 QWEST CORPORATION 654      
307-578 4 Cody WY CODYWYMADS0  9636 QWEST CORPORATION 654      
307-578 5 Cody WY CODYWYMADS0  9636 QWEST CORPORATION 654      
307-578 6 Cody WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2013-04-18   
307-578 7 Cody WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2011-08-08   
307-578 8 Cody WY CSPRWYESPS1  009E BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] 654   2006-01-16   
307-578 9 Cody WY CHYNWYMAX9X  879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654   2015-02-02   
307-586 A Cody WY BASNWYXCDS1  7466 TRI TEL, INC. 654      
307-587 A Cody WY CODYWYMADS0  9636 QWEST CORPORATION 654      
307-600 A Cokeville WY CHYNWYVACM1  013B UNION TELEPHONE COMPANY 654      
307-620 A Buffalo WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-620 0 Buffalo WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-620 1 Buffalo WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-620 2 Buffalo WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-620 3 Buffalo WY CHYNWYMAZMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 654   2016-05-12   
307-620 4 Buffalo WY BASNWYXCDS1  7466 TRI TEL, INC. 654   2010-02-19   
307-620 5 Buffalo WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-620 6 Buffalo WY   145J TERRA NOVA TELECOM INC. 654   2021-05-15   
307-620 7 Buffalo WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2012-01-30   
307-620 8 Buffalo WY CHYNWYMAQMD  081F BANDWIDTH.COM CLEC, LLC - WY 654   2017-07-31   
307-620 9 Buffalo WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-621 A Buffalo WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-621 0 Buffalo WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-621 1 Buffalo WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2020-05-01   
307-621 2 Buffalo WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2019-07-08   
307-621 3 Buffalo WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2019-07-08   
307-621 4 Buffalo WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2019-11-07   
307-621 5 Buffalo WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2019-11-07   
307-621 6 Buffalo WY CHYNWYMAX9X  879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654   2014-11-20   
307-621 7 Buffalo WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2020-05-01   
307-621 8 Buffalo WY CHYNWYRF1MD  073H TELNYX LLC 654   2019-03-01   
307-621 9 Buffalo WY CHYNWYRFDS0  581H AIRUS, INC. - WY 654   2017-02-02   
307-622 A Gillette WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-622 0 Gillette WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2011-01-23   
307-622 1 Gillette WY CHYNWYMAQMD  081F BANDWIDTH.COM CLEC, LLC - WY 654   2011-06-18   
307-622 2 Gillette WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2011-04-02   
307-622 3 Gillette WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2011-07-08   
307-622 4 Gillette WY CHYNWYMAQMD  081F BANDWIDTH.COM CLEC, LLC - WY 654   2013-09-14   
307-622 5 Gillette WY CHYNWYMAXAX  508J CENTURYLINK COMMUNICATIONS, LLC 654   2015-06-27   
307-622 6 Gillette WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2013-08-05   
307-622 7 Gillette WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2011-06-22   
307-622 8 Gillette WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2014-02-10   
307-622 9 Gillette WY CHYNWYMAQMD  081F BANDWIDTH.COM CLEC, LLC - WY 654   2014-06-25   
307-624 A Douglas WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-624 0 Douglas WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-624 1 Douglas WY SHRDWYCT0MD  268A ADVANCED COMMUNICATIONS TECHNOLOGY, INC. - WY 654   2015-01-11   
307-624 2 Douglas WY CHYNWYMAQMD  081F BANDWIDTH.COM CLEC, LLC - WY 654   2016-07-21   
307-624 3 Douglas WY CHYNWYMAZMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 654   2012-06-01   
307-624 4 Douglas WY CHYNWYRFDS0  581H AIRUS, INC. - WY 654   2020-06-19   
307-624 5 Douglas WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2023-10-28   
307-624 6 Douglas WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2019-09-07   
307-624 7 Douglas WY CHYNWYMAXAX  508J CENTURYLINK COMMUNICATIONS, LLC 654   2015-03-18   
307-624 8 Douglas WY CHYNWYMAX9X  879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654   2020-09-02   
307-624 9 Douglas WY CHYNWYRF1MD  073H TELNYX LLC 654   2019-03-01   
307-629 A Newcastle WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-629 0 Newcastle WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2005-02-14   
307-629 1 Newcastle WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2006-08-26   
307-629 2 Newcastle WY   6010 NEW CINGULAR WIRELESS PCS, LLC 654   2025-06-27   
307-629 4 Newcastle WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2017-10-15   
307-629 8 Newcastle WY CSPRWYESPS1  009E BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] 654   2019-10-23   

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Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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