Local Calling Guide

Area code/prefix search

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

NXX: 256

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-256 A Cheyenne WY CHYNWY07LMD  5562 METROPCS, INC. 654      
307-256 0 Cheyenne WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2008-01-04   
307-256 1 Cheyenne WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2008-01-04   
307-256 2 Cheyenne WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2008-02-04   
307-256 3 Cheyenne WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2008-04-10   
307-256 4 Cheyenne WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2008-04-24   
307-256 5 Cheyenne WY CHYNWY07LMD  5562 METROPCS, INC. 654   2021-09-19   
307-256 6 Cheyenne WY   6529 T-MOBILE USA, INC. 654   2004-06-12   
307-256 7 Cheyenne WY CHYNWY07GMD  6529 T-MOBILE USA, INC. 654   2004-06-12   
307-256 8 Cheyenne WY CHYNWY07GMD  6529 T-MOBILE USA, INC. 654   2004-02-26   
307-256 9 Cheyenne WY CHYNWY07GMD  6529 T-MOBILE USA, INC. 654   2004-02-26   

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

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