Local Calling Guide

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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 ORLDFLMAYEX  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 ORLDFLMAYEX  899D METROPCS NETWORKS, LLC 45806   2008-03-08   
321-420 3 Sanford FL ORLDFLMAYEX  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 ORLDFL60DS1  937C ONVOY, LLC - FL 45806   2008-06-11   
321-420 8 Sanford FL LKMRFL16G04  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 45806   2025-01-14   
321-420 9 Sanford FL LKMRFL16G04  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 45806   2025-01-14   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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