Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 321 [Rate centres in NPA 321] [Dial plan for NPA 321]

NXX: 549

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
321-549 A Melbourne FL ORLFFLEJDMD  4802 LEVEL 3 COMMUNICATIONS, LLC - FL 45806      
321-549 0 Melbourne FL   4802 LEVEL 3 COMMUNICATIONS, LLC - FL 45806      
321-549 1 Melbourne FL   899D METROPCS NETWORKS, LLC 45806   2010-01-08   
321-549 2 Melbourne FL   937C ONVOY, LLC - FL 45806   2009-08-13   
321-549 3 Melbourne FL   7448 MCI WORLDCOM COMMUNICATIONS, INC. - FL 45806   2005-11-23   
321-549 4 Melbourne FL   7448 MCI WORLDCOM COMMUNICATIONS, INC. - FL 45806   2006-02-08   
321-549 5 Melbourne FL   7448 MCI WORLDCOM COMMUNICATIONS, INC. - FL 45806   2008-11-19   
321-549 6 Melbourne FL   7448 MCI WORLDCOM COMMUNICATIONS, INC. - FL 45806   2008-11-19   
321-549 7 Melbourne FL   982E BANDWIDTH.COM CLEC, LLC - FL 45806   2008-12-06   
321-549 8 Melbourne FL   982E BANDWIDTH.COM CLEC, LLC - FL 45806   2008-12-06   
321-549 9 Melbourne FL   899D METROPCS NETWORKS, LLC 45806   2010-01-08   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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