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: 238

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
728-238 A West Palm Beach FL   937C ONVOY, LLC - FL 46018   2025-11-15   
728-238 0 West Palm Beach FL   937C ONVOY, LLC - FL 46018   2025-11-15   
728-238 1 West Palm Beach FL   937C ONVOY, LLC - FL 46018   2025-11-15   
728-238 2 West Palm Beach FL   937C ONVOY, LLC - FL 46018   2025-11-15   
728-238 3 West Palm Beach FL   937C ONVOY, LLC - FL 46018   2025-11-15   
728-238 4 West Palm Beach FL   937C ONVOY, LLC - FL 46018   2025-11-15   
728-238 9 West Palm Beach FL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 46018   2025-11-17   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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