Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-452 1 Casper WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2024-07-21   
307-452 2 Casper WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2024-07-21   
307-452 5 Casper WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654   2024-07-22   
307-452 7 Casper WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2024-12-02   
307-452 8 Casper WY CHYNWYJLAMD  732J NUSO, LLC 654   2024-12-01   
307-452 9 Casper WY CHYNWYJLAMD  732J NUSO, LLC 654   2024-12-01   
307-453 A Jackson WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2024-07-28   
307-453 0 Jackson WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2024-07-28   
307-453 1 Jackson WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2024-07-29   
307-453 7 Jackson WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654   2024-07-29   
307-453 8 Jackson WY CHYNWYJL8MD  732J NUSO, LLC 654   2024-11-27   
307-453 9 Jackson WY JCSNWYMA1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2024-07-29   
307-454 A Riverton WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2024-07-29   
307-454 0 Riverton WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2024-07-29   
307-454 1 Riverton WY CSPRWYMAXEX  6529 T-MOBILE USA, INC. 654   2024-10-09   
307-455 A Dubois WY DUBSWYXCRS0  2291 DUBOIS TEL. EXCH., INC. 654      
307-456 A Big Piney WY BGPNWYXC7MD  450F ONVOY, LLC - WY 654      
307-456 0 Big Piney WY BGPNWYXC7MD  450F ONVOY, LLC - WY 654   2021-07-10   
307-456 1 Big Piney WY BGPNWYXC7MD  450F ONVOY, LLC - WY 654   2023-06-18   
307-456 2 Big Piney WY BGPNWYXC7MD  450F ONVOY, LLC - WY 654   2022-10-28   
307-456 3 Big Piney WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654   2023-01-27   
307-456 4 Big Piney WY BGPNWYXC7MD  450F ONVOY, LLC - WY 654   2020-09-05   
307-456 5 Big Piney WY BGPNWYXC7MD  450F ONVOY, LLC - WY 654   2020-12-19   
307-456 6 Big Piney WY BGPNWYXC7MD  450F ONVOY, LLC - WY 654   2020-12-19   
307-456 7 Big Piney WY BGPNWYXC7MD  450F ONVOY, LLC - WY 654   2019-09-21   
307-456 8 Big Piney WY CHYNWYMAX6X  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2020-09-21   
307-456 9 Big Piney WY CHYNWYMAX6X  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2020-09-21   
307-457 A Gas Hills WY GSHLWYAARS0  3410 RT COMMUNICATIONS 654      
307-458 A Casper WY CHYNWYRFDMD  490J DISH WIRELESS, LLC 654   2024-01-15   
307-458 0 Casper WY CHYNWYRF2MD  939H COMMIO, LLC 654   2022-07-29   
307-458 1 Casper WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2023-08-11   
307-458 2 Casper WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2023-08-11   
307-458 3 Casper WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2023-08-11   
307-458 4 Casper WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2023-08-11   
307-458 5 Casper WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2023-08-11   
307-458 6 Casper WY CHYNWYMAX9X  879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654   2023-04-07   
307-458 7 Casper WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2023-08-11   
307-458 8 Casper WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2023-08-11   
307-458 9 Casper WY CHYNWYRFDMD  490J DISH WIRELESS, LLC 654   2022-02-11   
307-459 A Cheyenne WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654      
307-459 0 Cheyenne WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654   2004-12-29   
307-459 1 Cheyenne WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654   2005-01-26   
307-459 2 Cheyenne WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654   2011-01-15   
307-459 3 Cheyenne WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654   2013-06-23   
307-459 4 Cheyenne WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654      
307-459 5 Cheyenne WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654   2011-06-11   
307-459 6 Cheyenne WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654   2014-10-23   
307-459 8 Cheyenne WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654   2021-08-20   
307-460 A Laramie WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654      
307-460 0 Laramie WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2007-04-08   
307-460 1 Laramie WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2007-10-16   
307-460 2 Laramie WY CHYNWYJLPS1  009E BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] 654   2007-10-19   
307-460 3 Laramie WY CHYNWYJLPS1  009E BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] 654   2005-04-18   
307-460 4 Laramie WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654      
307-460 5 Laramie WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654   2008-02-13   
307-460 6 Laramie WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2020-09-05   
307-460 7 Laramie WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2006-11-05   
307-460 8 Laramie WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2008-06-12   
307-460 9 Laramie WY CHYNWYJLPS1  009E BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] 654   2008-11-03   
307-461 A Sheridan WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654      
307-461 0 Sheridan WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2005-01-19   
307-461 1 Sheridan WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2005-10-31   
307-461 2 Sheridan WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2006-08-11   
307-461 3 Sheridan WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2009-11-27   
307-461 4 Sheridan WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654      
307-461 5 Sheridan WY CHYNWYMAQMD  081F BANDWIDTH.COM CLEC, LLC - WY 654   2010-06-04   
307-461 6 Sheridan WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654   2012-12-08   
307-461 7 Sheridan WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2007-02-19   
307-461 8 Sheridan WY CSPRWYDNIMD  495J STRATUS NETWORKS 654   2021-04-08   
307-461 9 Sheridan WY CHYNWYMAQMD  081F BANDWIDTH.COM CLEC, LLC - WY 654   2008-11-29   
307-462 A Casper WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654      
307-462 0 Casper WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654   2005-02-14   
307-462 1 Casper WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2011-07-08   
307-462 2 Casper WY CHYNWYMAZMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 654   2006-06-09   
307-462 3 Casper WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2011-02-05   
307-462 4 Casper WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654      
307-462 5 Casper WY CHYNWYMAZMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 654   2012-11-02   
307-462 6 Casper WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2012-02-12   
307-462 7 Casper WY CHYNWYMAZMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 654   2018-09-10   
307-462 8 Casper WY CHYNWYMAXGX  624H ONVOY SPECTRUM, LLC 654   2021-07-19   
307-462 9 Casper WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2015-12-06   
307-463 A Riverton WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654      
307-463 0 Riverton WY CSPRWYESPS1  009E BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] 654   2009-06-07   
307-463 1 Riverton WY CHYNWYMAQMD  081F BANDWIDTH.COM CLEC, LLC - WY 654   2015-03-12   
307-463 2 Riverton WY CSPRWYESPS1  009E BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] 654   2005-12-17   
307-463 3 Riverton WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654   2023-08-12   
307-463 4 Riverton WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654      
307-463 5 Riverton WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2024-03-03   
307-463 6 Riverton WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2010-04-02   
307-463 7 Riverton WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2006-11-05   
307-463 8 Riverton WY CHYNWYRF1MD  073H TELNYX LLC 654   2017-04-07   
307-463 9 Riverton WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654      
307-464 A Wright WY WRGHWYMARS1  9636 QWEST CORPORATION 654      
307-464 0 Wright WY WRGHWYMARS1  9636 QWEST CORPORATION 654      
307-464 1 Wright WY WRGHWYMARS1  9636 QWEST CORPORATION 654      
307-464 2 Wright WY WRGHWYMARS1  9636 QWEST CORPORATION 654      
307-464 3 Wright WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2012-12-13   
307-464 4 Wright WY WRGHWYMARS1  9636 QWEST CORPORATION 654      
307-464 5 Wright WY WRGHWYMARS1  9636 QWEST CORPORATION 654      
307-464 6 Wright WY WRGHWYMARS1  9636 QWEST CORPORATION 654      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.