Local Calling Guide

Area code/prefix search

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NPA: 307 [Rate centres in NPA 307] [Dial plan for NPA 307]

NXX: 284

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-284 A Jackson WY CSPRWYMAXCX  110G SILVER STAR TELEPHONE COMPANY, INC. - WY 654      
307-284 0 Jackson WY CSPRWYMAXCX  110G SILVER STAR TELEPHONE COMPANY, INC. - WY 654   2020-01-18   
307-284 1 Jackson WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654   2020-01-31   
307-284 2 Jackson WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2020-01-20   
307-284 3 Jackson WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2020-01-20   
307-284 4 Jackson WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2020-09-05   
307-284 5 Jackson WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2020-09-05   
307-284 6 Jackson WY CHYNWY07GMD  5562 METROPCS, INC. 654   2021-05-14   
307-284 7 Jackson WY JCSNWYMA1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2020-04-25   
307-284 8 Jackson WY JCSNWYMA1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2020-04-25   
307-284 9 Jackson WY JCSNWYMA1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2020-04-25   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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