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: 247

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
728-247 A West Palm Beach FL   937C ONVOY, LLC - FL 46018   2026-08-21   
728-247 0 West Palm Beach FL   937C ONVOY, LLC - FL 46018   2026-08-21   
728-247 5 West Palm Beach FL   321J HD CARRIER LLC 46018   2026-08-24   
728-247 6 West Palm Beach FL   321J HD CARRIER LLC 46018   2026-08-24   
728-247 7 West Palm Beach FL   321J HD CARRIER LLC 46018   2026-08-24   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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