Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 728 [Rate centres in NPA 728] [Dial plan for NPA 728]

NXX: 243

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
728-243 A West Palm Beach FL   937C ONVOY, LLC - FL 46018   2026-03-20   
728-243 0 West Palm Beach FL   937C ONVOY, LLC - FL 46018   2026-03-20   
728-243 1 West Palm Beach FL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 46018   2026-03-23   
728-243 7 West Palm Beach FL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 46018   2026-03-23   
728-243 8 West Palm Beach FL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 46018   2026-03-23   
728-243 9 West Palm Beach FL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 46018   2026-03-23   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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