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: 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 ORLFFL050MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 45806   2022-03-14   
321-334 1 Melbourne FL ORLFFL051MD  899D METROPCS NETWORKS, LLC 45806   2020-12-20   
321-334 2 Melbourne FL ORLDFL60DS1  937C ONVOY, LLC - FL 45806   2021-01-01   
321-334 3 Melbourne FL ORLDFL60DS1  937C ONVOY, LLC - FL 45806   2021-01-01   
321-334 4 Melbourne FL ORLDFL60DS1  937C ONVOY, LLC - FL 45806   2021-01-01   
321-334 5 Melbourne FL ORLDFL60DS1  937C ONVOY, LLC - FL 45806   2021-01-01   
321-334 6 Melbourne FL ORLDFL60DS1  937C ONVOY, LLC - FL 45806   2021-01-01   
321-334 7 Melbourne FL LKMRFL16G04  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 45806   2021-02-08   
321-334 8 Melbourne FL ORLFFL051MD  899D METROPCS NETWORKS, LLC 45806   2020-12-27   
321-334 9 Melbourne FL LKMRFL16G04  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 45806   2020-12-19   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.