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: 941 [Rate centres in NPA 941] [Dial plan for NPA 941]

NXX: 421

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
941-421 A Port Charlotte FL FTMYFLMAUMD  7421 AT&T - LOCAL 93902      
941-421 0 Port Charlotte FL FTMYFLXAXFY  4802 LEVEL 3 COMMUNICATIONS, LLC - FL 93902   2006-11-05   
941-421 1 Port Charlotte FL FTMYFLMAFMD  7421 AT&T - LOCAL 93902      
941-421 2 Port Charlotte FL FTMYFLXAMMD  6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 93902   2006-01-25   
941-421 3 Port Charlotte FL FTMYFLXAXVX  937C ONVOY, LLC - FL 93902   2021-08-08   
941-421 4 Port Charlotte FL FTMYFLXAMMD  6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 93902   2008-02-04   
941-421 5 Port Charlotte FL FTMYFLXAXVX  937C ONVOY, LLC - FL 93902   2019-09-04   
941-421 6 Port Charlotte FL FTMYFLXAMMD  6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 93902   2007-03-24   
941-421 7 Port Charlotte FL FTMYFLXAXFY  4802 LEVEL 3 COMMUNICATIONS, LLC - FL 93902   2006-07-03   
941-421 8 Port Charlotte FL FTMYFLXAMMD  6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 93902   2006-08-04   
941-421 9 Port Charlotte FL FTMYFLXAMMD  6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 93902   2005-09-17   

Last updated: Fri, 13 May 2022 22:16:13 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.