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: 418

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-418 A Jackson WY JCSNWYMA1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-418 0 Jackson WY   450F ONVOY, LLC - WY 654   2023-08-15   
307-418 1 Jackson WY   939H COMMIO, LLC 654   2023-12-23   
307-418 2 Jackson WY   6010 NEW CINGULAR WIRELESS PCS, LLC 654   2025-10-10   
307-418 3 Jackson WY   450F ONVOY, LLC - WY 654   2024-03-07   
307-418 4 Jackson WY   197D VONAGE AMERICA LLC 654   2024-05-30   
307-418 5 Jackson WY   110G SILVER STAR TELEPHONE COMPANY, INC. - WY 654   2024-01-06   
307-418 6 Jackson WY   110G SILVER STAR TELEPHONE COMPANY, INC. - WY 654   2024-01-06   
307-418 7 Jackson WY   6529 T-MOBILE USA, INC. 654   2024-02-19   
307-418 8 Jackson WY   939H COMMIO, LLC 654   2023-12-23   
307-418 9 Jackson WY   6010 NEW CINGULAR WIRELESS PCS, LLC 654   2023-08-13   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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