Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 516 [Rate centres in NPA 516] [Dial plan for NPA 516]

NXX: 397

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
516-397 A Nassau Zone 3 NY   384C ONVOY, LLC- NY 132   2026-02-08   
516-397 0 Nassau Zone 3 NY   384C ONVOY, LLC- NY 132   2026-02-08   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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