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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Colonie, NY

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
838-677 7 ALBYNYPSHMD  965H FRACTEL, LLC 134   2021-04-04   
838-677 8 ALBYNYSSXTY  624H ONVOY SPECTRUM, LLC 134   2022-01-27   
838-677 9 ALBYNYSS5MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 134   2023-01-18   

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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