Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 838 [Rate centres in NPA 838] [Dial plan for NPA 838]

NXX: 621

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
838-621 A Schenectady NY   977K YORKSTREAM COMMUNICATIONS LLC 134   2025-12-28   
838-621 6 Schenectady NY   977K YORKSTREAM COMMUNICATIONS LLC 134   2025-12-28   
838-621 9 Schenectady NY   977K YORKSTREAM COMMUNICATIONS LLC 134   2025-12-28   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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