Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 307 [Rate centres in NPA 307] [Dial plan for NPA 307]

NXX: 441

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-441 A Casper WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-441 0 Casper WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2014-01-22   
307-441 1 Casper WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2012-10-30   
307-441 2 Casper WY CHYNWY07LMD  5562 METROPCS, INC. 654   2021-12-14   
307-441 3 Casper WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2023-08-11   
307-441 4 Casper WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2012-11-10   
307-441 5 Casper WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2023-08-11   
307-441 6 Casper WY CHYNWYMAX9X  879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654   2013-03-18   
307-441 7 Casper WY CSPRWYMAXEX  6529 T-MOBILE USA, INC. 654   2022-03-21   
307-441 8 Casper WY CSPRWYMAXEX  6529 T-MOBILE USA, INC. 654   2022-03-21   
307-441 9 Casper WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2023-08-11   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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