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: 542

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
321-542 A Cocoa FL   937C ONVOY, LLC - FL 45806   2026-09-28   
321-542 0 Cocoa FL   937C ONVOY, LLC - FL 45806   2026-09-28   
321-542 1 Cocoa FL   937C ONVOY, LLC - FL 45806   2026-09-28   
321-542 2 Cocoa FL   937C ONVOY, LLC - FL 45806   2026-09-29   

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

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