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
307-234 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      
307-236 8 Burns WY CHYNWYMAX6X  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-236 9 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      
307-238 6 Hamilton Dome WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-239 A Dubois WY RCSPWY08AMD  340D GOLD STAR COMMUNICATIONS, LLC 654      
307-239 0 Dubois WY RCSPWY08AMD  340D GOLD STAR COMMUNICATIONS, LLC 654      
307-239 8 Dubois WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-239 9 Dubois WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-240 A Riverton WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-240 0 Riverton WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-240 1 Riverton WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-240 2 Riverton WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654      
307-240 3 Riverton WY CHYNWYMAZMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 654      
307-240 4 Riverton WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-240 5 Riverton WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654      
307-240 6 Riverton WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654      
307-240 7 Riverton WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-240 8 Riverton WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654      
307-240 9 Riverton WY CHYNWYMAQMD  081F BANDWIDTH.COM CLEC, LLC - WY 654      
307-241 A Wheatland WY CHYNWYMAX6X  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-241 0 Wheatland WY CHYNWYMAX6X  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-241 1 Wheatland WY   145J TERRA NOVA TELECOM INC. 654      
307-241 2 Wheatland WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-241 3 Wheatland WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654      
307-241 4 Wheatland WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654      
307-241 5 Wheatland WY CHYNWYMAQMD  081F BANDWIDTH.COM CLEC, LLC - WY 654      
307-241 6 Wheatland WY CHYNWYMAQMD  081F BANDWIDTH.COM CLEC, LLC - WY 654      
307-241 7 Wheatland WY CHYNWYMAXAX  508J CENTURYLINK COMMUNICATIONS, LLC 654      
307-241 8 Wheatland WY CHYNWYRF1MD  073H TELNYX LLC 654      
307-241 9 Wheatland WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-242 A Lake WY LAKEWYMARS1  9636 QWEST CORPORATION 650      
307-242 0 Lake WY LAKEWYMARS1  9636 QWEST CORPORATION 650      
307-242 1 Lake WY BLNGMTAS9MD  450F ONVOY, LLC - WY 650      
307-242 2 Lake WY LAKEWYMARS1  9636 QWEST CORPORATION 650      
307-242 3 Lake WY LAKEWYMARS1  9636 QWEST CORPORATION 650      
307-242 4 Lake WY BLNGMTWE6MD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 650      
307-242 5 Lake WY BLNGMTAS9MD  450F ONVOY, LLC - WY 650      
307-242 6 Lake WY BLNGMTAS9MD  450F ONVOY, LLC - WY 650      
307-242 7 Lake WY LAKEWYMARS1  9636 QWEST CORPORATION 650      
307-242 8 Lake WY BLNGMTAS9MD  450F ONVOY, LLC - WY 650      
307-242 9 Lake WY LAKEWYMARS1  9636 QWEST CORPORATION 650      
307-243 A Casper WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654      
307-243 0 Casper WY CHYNWYRFDS0  581H AIRUS, INC. - WY 654      
307-243 1 Casper WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654      
307-243 2 Casper WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654      
307-243 3 Casper WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654      
307-243 4 Casper WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654      
307-243 5 Casper WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654      
307-243 6 Casper WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654      
307-243 7 Casper WY CHYNWY07LMD  5562 METROPCS, INC. 654      
307-243 8 Casper WY CHYNWYMAXGX  624H ONVOY SPECTRUM, LLC 654      
307-243 9 Casper WY CSPRWYMAXEX  6529 T-MOBILE USA, INC. 654      
307-244 A Freedom WY FRDMWYXCDS3  2295 SILVER STAR TEL CO INC 654      
307-244 0 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      
307-247 0 Casper WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-247 1 Casper WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-247 2 Casper WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-247 3 Casper WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-247 4 Casper WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-247 5 Casper WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-247 6 Casper WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-247 7 Casper WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-247 8 Casper WY   145J TERRA NOVA TELECOM INC. 654      
307-247 9 Casper WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-248 A Afton WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-248 0 Afton WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-248 1 Afton WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-248 2 Afton WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-248 3 Afton WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-248 4 Afton WY CHYNWYMAQMD  081F BANDWIDTH.COM CLEC, LLC - WY 654      
307-248 5 Afton WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654      
307-248 6 Afton WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654      
307-248 7 Afton WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654      
307-248 8 Afton WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-248 9 Afton WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654      
307-249 A Jackson WY CHYNWYMAXDX  073H TELNYX LLC 654      
307-249 0 Jackson WY CHYNWYMAXDX  073H TELNYX LLC 654      
307-249 1 Jackson WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654      
307-249 2 Jackson WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654      
307-249 3 Jackson WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654      
307-249 4 Jackson WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654      
307-249 5 Jackson WY FRDMWYXCDS3  110G SILVER STAR TELEPHONE COMPANY, INC. - WY 654      
307-249 6 Jackson WY JCSNWYMA1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-249 7 Jackson WY JCSNWYMA1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-249 8 Jackson WY CHYNWYRFDS0  581H AIRUS, INC. - WY 654      
307-249 9 Jackson WY CHYNWYRFDS0  581H AIRUS, INC. - WY 654      
307-250 A Cody WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-250 0 Cody WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-250 1 Cody WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-250 2 Cody WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-250 3 Cody WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-250 4 Cody WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-250 5 Cody WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 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: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.