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: 310

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-310 A Cheyenne WY CHYNWYMAXGX  624H ONVOY SPECTRUM, LLC 654      
307-310 0 Cheyenne WY   6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2024-04-22   
307-310 1 Cheyenne WY CHYNWY07LMD  5562 METROPCS, INC. 654   2021-09-19   
307-310 2 Cheyenne WY CHYNWYMAXGX  624H ONVOY SPECTRUM, LLC 654   2021-11-19   
307-310 3 Cheyenne WY CHYNWYMAXGX  624H ONVOY SPECTRUM, LLC 654   2020-01-15   
307-310 4 Cheyenne WY CHYNWYMAXGX  624H ONVOY SPECTRUM, LLC 654   2020-07-02   
307-310 5 Cheyenne WY CHYNWYMAXGX  624H ONVOY SPECTRUM, LLC 654   2020-07-02   
307-310 6 Cheyenne WY CHYNWYMAXGX  624H ONVOY SPECTRUM, LLC 654   2021-05-23   
307-310 7 Cheyenne WY CHYNWYMAXGX  624H ONVOY SPECTRUM, LLC 654   2021-05-23   
307-310 8 Cheyenne WY CHYNWYMAXGX  624H ONVOY SPECTRUM, LLC 654   2021-11-19   

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

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