Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 0081 CITIZENS TEL. CO. OF HAMMOND NY, INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
315-324 A Hammond NY HMNDNYXADS0  136      
315-578 A Macomb NY HMNDNYXADS0  136      

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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