Local Calling Guide

Area code/prefix search

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

NXX: 337

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-337 A Casper WY CSPRWYESPS1  009E BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] 654      
307-337 0 Casper WY CHYNWYRF1MD  073H TELNYX LLC 654   2017-03-31   
307-337 1 Casper WY CSPRWYESPS1  009E BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] 654   2011-03-06   
307-337 2 Casper WY CSPRWYESPS1  009E BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] 654   2011-08-15   
307-337 3 Casper WY CSPRWYESPS1  009E BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] 654   2012-04-14   
307-337 4 Casper WY CSPRWYESPS1  009E BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] 654   2011-12-03   
307-337 5 Casper WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2013-07-05   
307-337 6 Casper WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2012-10-10   
307-337 7 Casper WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2011-06-03   
307-337 8 Casper WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2012-05-15   
307-337 9 Casper WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2017-11-05   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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