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: 460

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-460 A Laramie WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654      
307-460 0 Laramie WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2007-04-08   
307-460 1 Laramie WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2007-10-16   
307-460 2 Laramie WY CHYNWYJLPS1  009E BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] 654   2007-10-19   
307-460 3 Laramie WY CHYNWYJLPS1  009E BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] 654   2005-04-18   
307-460 4 Laramie WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654      
307-460 5 Laramie WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654   2008-02-13   
307-460 6 Laramie WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2020-09-05   
307-460 7 Laramie WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2006-11-05   
307-460 8 Laramie WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2008-06-12   
307-460 9 Laramie WY CHYNWYJLPS1  009E BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] 654   2008-11-03   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.