Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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      
307-284 1 Jackson WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654      
307-284 2 Jackson WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654      
307-284 3 Jackson WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654      
307-284 4 Jackson WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654      
307-284 5 Jackson WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654      
307-284 6 Jackson WY CHYNWY07LMD  5562 METROPCS, INC. 654      
307-284 7 Jackson WY JCSNWYMA1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-284 8 Jackson WY JCSNWYMA1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-284 9 Jackson WY JCSNWYMA1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.