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: 318

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-318 A Wright WY CHYNWYMAQMD  081F BANDWIDTH.COM CLEC, LLC - WY 654      
307-318 0 Wright WY   081F BANDWIDTH.COM CLEC, LLC - WY 654   2021-03-18   
307-318 1 Wright WY   450F ONVOY, LLC - WY 654   2021-07-11   
307-318 2 Wright WY   450F ONVOY, LLC - WY 654   2021-03-19   
307-318 3 Wright WY   450F ONVOY, LLC - WY 654   2021-03-19   
307-318 4 Wright WY   9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654   2023-01-27   
307-318 5 Wright WY   6010 NEW CINGULAR WIRELESS PCS, LLC 654   2025-01-12   
307-318 6 Wright WY   6010 NEW CINGULAR WIRELESS PCS, LLC 654   2026-01-23   
307-318 7 Wright WY   581H AIRUS, INC. - WY 654   2025-05-12   
307-318 8 Wright WY   6010 NEW CINGULAR WIRELESS PCS, LLC 654   2021-07-02   
307-318 9 Wright WY   6010 NEW CINGULAR WIRELESS PCS, LLC 654   2021-07-02   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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