Local Calling Guide

Area code/prefix search

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

NXX: 334

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
321-334 A Melbourne FL LKMRFL16G04  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 45806      
321-334 0 Melbourne FL   6889 OMNIPOINT MIAMI E LICENSE, LLC 45806   2022-03-14   
321-334 1 Melbourne FL   899D METROPCS NETWORKS, LLC 45806   2020-12-20   
321-334 2 Melbourne FL   937C ONVOY, LLC - FL 45806   2021-01-01   
321-334 3 Melbourne FL   937C ONVOY, LLC - FL 45806   2021-01-01   
321-334 4 Melbourne FL   937C ONVOY, LLC - FL 45806   2021-01-01   
321-334 5 Melbourne FL   937C ONVOY, LLC - FL 45806   2021-01-01   
321-334 6 Melbourne FL   937C ONVOY, LLC - FL 45806   2021-01-01   
321-334 7 Melbourne FL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 45806   2021-02-08   
321-334 8 Melbourne FL   899D METROPCS NETWORKS, LLC 45806   2020-12-27   
321-334 9 Melbourne FL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 45806   2020-12-19   

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

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