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: 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   110G SILVER STAR TELEPHONE COMPANY, INC. - WY 654   2020-01-18   
307-284 1 Jackson WY   9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654   2020-01-31   
307-284 2 Jackson WY   450F ONVOY, LLC - WY 654   2020-01-20   
307-284 3 Jackson WY   450F ONVOY, LLC - WY 654   2020-01-20   
307-284 4 Jackson WY   450F ONVOY, LLC - WY 654   2020-09-05   
307-284 5 Jackson WY   450F ONVOY, LLC - WY 654   2020-09-05   
307-284 6 Jackson WY   5562 METROPCS, INC. 654   2021-05-14   
307-284 7 Jackson WY   6010 NEW CINGULAR WIRELESS PCS, LLC 654   2020-04-25   
307-284 8 Jackson WY   6010 NEW CINGULAR WIRELESS PCS, LLC 654   2020-04-25   
307-284 9 Jackson WY   6010 NEW CINGULAR WIRELESS PCS, LLC 654   2020-04-25   

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

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