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 ALBYNYSS05Z  977K YORKSTREAM COMMUNICATIONS LLC 134   2025-12-28   
838-621 0 Schenectady NY   384C ONVOY, LLC- NY 134   2026-08-21   
838-621 1 Schenectady NY   384C ONVOY, LLC- NY 134   2026-08-21   
838-621 2 Schenectady NY   384C ONVOY, LLC- NY 134   2026-08-21   
838-621 6 Schenectady NY ALBYNYSS05Z  977K YORKSTREAM COMMUNICATIONS LLC 134   2025-12-28   
838-621 8 Schenectady NY ALBYNYSS5MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 134   2026-01-16   
838-621 9 Schenectady NY ALBYNYSS05Z  977K YORKSTREAM COMMUNICATIONS LLC 134   2025-12-28   

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

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