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: 545

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
321-545 A Melbourne FL   937C ONVOY, LLC - FL 45806   2026-10-10   
321-545 0 Melbourne FL   937C ONVOY, LLC - FL 45806   2026-10-10   
321-545 1 Melbourne FL   937C ONVOY, LLC - FL 45806   2026-10-10   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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