Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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Switch: ALBYNYSS05Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
518-999 A Salem NY 977K YORKSTREAM COMMUNICATIONS LLC 134      
518-999 0 Salem NY 977K YORKSTREAM COMMUNICATIONS LLC 134   2024-04-22   
518-999 1 Salem NY 977K YORKSTREAM COMMUNICATIONS LLC 134   2024-04-22   
518-999 2 Salem NY 977K YORKSTREAM COMMUNICATIONS LLC 134   2024-04-22   
518-999 3 Salem NY 977K YORKSTREAM COMMUNICATIONS LLC 134   2024-04-22   
518-999 4 Salem NY 977K YORKSTREAM COMMUNICATIONS LLC 134   2024-04-22   
518-999 5 Salem NY 977K YORKSTREAM COMMUNICATIONS LLC 134   2024-04-22   
518-999 6 Salem NY 977K YORKSTREAM COMMUNICATIONS LLC 134   2024-04-22   
518-999 7 Salem NY 977K YORKSTREAM COMMUNICATIONS LLC 134   2024-04-22   
518-999 8 Salem NY 977K YORKSTREAM COMMUNICATIONS LLC 134   2024-04-22   
518-999 9 Salem NY 977K YORKSTREAM COMMUNICATIONS LLC 134   2024-04-22   
838-400 4 Round Lake NY 977K YORKSTREAM COMMUNICATIONS LLC 134   2026-01-23   
838-500 5 Round Lake NY 977K YORKSTREAM COMMUNICATIONS LLC 134   2026-01-23   
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   
838-988 A Albany NY 977K YORKSTREAM COMMUNICATIONS LLC 134   2025-05-23   
838-988 0 Albany NY 977K YORKSTREAM COMMUNICATIONS LLC 134   2025-05-23   
838-988 8 Albany NY 977K YORKSTREAM COMMUNICATIONS LLC 134   2025-05-23   
838-988 9 Albany NY 977K YORKSTREAM COMMUNICATIONS LLC 134   2025-05-23   
838-999 3 Peru NY 977K YORKSTREAM COMMUNICATIONS LLC 134   2025-07-04   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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