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: 273

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-273 A Farson WY FASNWYXCDS0  2299 CENTURYTEL OF WYOMING, INC. DBA CENTURYLINK 654      
307-273 0 Farson WY FASNWYXCDS0  2299 CENTURYTEL OF WYOMING, INC. DBA CENTURYLINK 654      
307-273 1 Farson WY CHYNWYMAXAX  508J CENTURYLINK COMMUNICATIONS, LLC 654      
307-273 2 Farson WY FASNWYXCDS0  2299 CENTURYTEL OF WYOMING, INC. DBA CENTURYLINK 654      
307-273 3 Farson WY FASNWYXCDS0  2299 CENTURYTEL OF WYOMING, INC. DBA CENTURYLINK 654      
307-273 4 Farson WY FASNWYXCDS0  2299 CENTURYTEL OF WYOMING, INC. DBA CENTURYLINK 654      
307-273 5 Farson WY FASNWYXCDS0  2299 CENTURYTEL OF WYOMING, INC. DBA CENTURYLINK 654      
307-273 6 Farson WY FASNWYXCDS0  2299 CENTURYTEL OF WYOMING, INC. DBA CENTURYLINK 654      
307-273 7 Farson WY FASNWYXCDS0  2299 CENTURYTEL OF WYOMING, INC. DBA CENTURYLINK 654      
307-273 8 Farson WY FASNWYXCDS0  2299 CENTURYTEL OF WYOMING, INC. DBA CENTURYLINK 654      
307-273 9 Farson WY FASNWYXCDS0  2299 CENTURYTEL OF WYOMING, INC. DBA CENTURYLINK 654      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.