Local Calling Guide

Area code/prefix search

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Nassau Zone 6, NY

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
516-999 9 NYCMNYZRX3Y  977K YORKSTREAM COMMUNICATIONS LLC 132   2024-04-22   

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

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