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: 237

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
728-237 A West Palm Beach FL   515J IP HORIZON LLC 46018   2025-06-22   
728-237 1 West Palm Beach FL   515J IP HORIZON LLC 46018   2025-06-22   
728-237 2 West Palm Beach FL   515J IP HORIZON LLC 46018   2025-06-22   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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