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: 248

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-248 A Afton WY CSPRWY10CM1  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-248 0 Afton WY   6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-248 1 Afton WY   6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-248 2 Afton WY   6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-248 3 Afton WY   6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-248 4 Afton WY   081F BANDWIDTH.COM CLEC, LLC - WY 654   2012-01-13   
307-248 5 Afton WY   450F ONVOY, LLC - WY 654   2012-12-13   
307-248 6 Afton WY   450F ONVOY, LLC - WY 654   2012-12-13   
307-248 7 Afton WY   450F ONVOY, LLC - WY 654   2011-06-04   
307-248 8 Afton WY   6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2010-04-04   
307-248 9 Afton WY   450F ONVOY, LLC - WY 654   2012-12-13   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.