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: 722

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
516-722 A Nassau Zone 5 NY SCDLNYAN1MD  2612 SCARSDALE SECURITY SYSTEMS, INC. 132      

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

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