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: 770

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
321-770 A Melbourne FL   624H ONVOY SPECTRUM, LLC 45806   2025-05-02   
321-770 3 Melbourne FL   624H ONVOY SPECTRUM, LLC 45806   2025-05-02   
321-770 7 Melbourne FL   624H ONVOY SPECTRUM, LLC 45806   2025-05-02   
321-770 8 Melbourne FL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 45806   2025-05-09   
321-770 9 Melbourne FL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 45806   2025-05-09   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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