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: 514

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-514 A Cheyenne WY CHYNWYJLPS1  009E BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] 654      
307-514 0 Cheyenne WY CHYNWYJLPS1  009E BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] 654   2006-10-19   
307-514 1 Cheyenne WY CHYNWYJLPS1  009E BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] 654   2007-09-24   
307-514 2 Cheyenne WY CHYNWYJLPS1  009E BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] 654   2005-04-16   
307-514 3 Cheyenne WY CHYNWYJLPS1  009E BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] 654   2005-10-14   
307-514 4 Cheyenne WY CHYNWYJLPS1  009E BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] 654   2006-01-27   
307-514 5 Cheyenne WY CHYNWYJLPS1  009E BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] 654   2012-03-05   
307-514 6 Cheyenne WY CHYNWYJLPS1  009E BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] 654   2012-07-06   
307-514 9 Cheyenne WY CHYNWYJLPS1  009E BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] 654   2009-03-05   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.