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: 321 [Rate centres in NPA 321] [Dial plan for NPA 321]

NXX: 420

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
321-420 A Sanford FL ORLFFL051MD  899D METROPCS NETWORKS, LLC 45806      
321-420 0 Sanford FL ORLDFLMA68Z  982E BANDWIDTH.COM CLEC, LLC - FL 45806   2011-06-24   
321-420 1 Sanford FL ORLFFLEJDMD  4802 LEVEL 3 COMMUNICATIONS, LLC - FL 45806   2010-11-19   
321-420 2 Sanford FL ORLFFL051MD  899D METROPCS NETWORKS, LLC 45806   2008-03-08   
321-420 3 Sanford FL ORLFFL051MD  899D METROPCS NETWORKS, LLC 45806   2008-03-08   
321-420 4 Sanford FL ORLDFLMA68Z  982E BANDWIDTH.COM CLEC, LLC - FL 45806   2011-07-07   
321-420 5 Sanford FL ORLDFLMA68Z  982E BANDWIDTH.COM CLEC, LLC - FL 45806   2011-09-01   
321-420 6 Sanford FL ORLDFLMA68Z  982E BANDWIDTH.COM CLEC, LLC - FL 45806   2012-09-14   
321-420 7 Sanford FL ORLDFLMA65Z  594D YMAX COMMUNICATIONS CORP. - FL 45806   2008-06-11   
321-420 8 Sanford FL ORLDFLMA65Z  594D YMAX COMMUNICATIONS CORP. - FL 45806   2008-06-11   
321-420 9 Sanford FL ORLDFLMA65Z  594D YMAX COMMUNICATIONS CORP. - FL 45806   2008-06-11   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.