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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Altamont, NY

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
838-234 2 ALBYNYPS6MD  939H COMMIO, LLC 134   2023-09-04   
838-234 3 ALBYNYSSXTY  624H ONVOY SPECTRUM, LLC 134   2021-11-22   
838-234 4 ALBYNYSSXTY  624H ONVOY SPECTRUM, LLC 134   2021-11-22   
838-234 5 ALBYNYPSHMD  965H FRACTEL, LLC 134   2021-03-26   
838-234 6 ALBYNYPS6MD  939H COMMIO, LLC 134   2023-09-04   
838-234 7 ALBYNYPS6MD  939H COMMIO, LLC 134   2023-09-04   
838-234 8 ALBYNYPS6MD  939H COMMIO, LLC 134   2023-09-04   
838-234 9 ALBYNYPS6MD  939H COMMIO, LLC 134   2023-09-04   

<< 1 2

Last updated: Fri, 10 Jul 2026 02:55:48 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.