Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Cold Spring Harbor, NY

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
631-857 8 NYCMNY37UMD  321J HD CARRIER LLC 132   2014-08-01   
631-857 9   818H PEERING HUB, INC. - NY 132   2021-05-26   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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