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.

NPA: 838 [Rate centres in NPA 838] [Dial plan for NPA 838]

NXX: 231

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
838-231 A Colonie NY ALBYNYSSXCY  384C ONVOY, LLC- NY 134      
838-231 0 Colonie NY ALBYNYPS6MD  939H COMMIO, LLC 134   2022-11-17   
838-231 1 Colonie NY ALBYNYSSXCY  384C ONVOY, LLC- NY 134   2021-03-06   
838-231 2 Colonie NY ALBYNYSSXCY  384C ONVOY, LLC- NY 134   2021-03-06   
838-231 3 Colonie NY ALBYNYSSXCY  384C ONVOY, LLC- NY 134   2021-03-06   
838-231 4 Colonie NY ALBYNYSSXOY  997E BANDWIDTH.COM CLEC, LLC - NY 134   2021-10-25   
838-231 5 Colonie NY ALBYNYSSXOY  997E BANDWIDTH.COM CLEC, LLC - NY 134   2021-10-25   
838-231 6 Colonie NY LTHMNYNLW02  6622 OMNIPOINT COMMUNICATIONS, INC. - NY 134   2022-01-09   
838-231 7 Colonie NY LTHMNYNLW02  6622 OMNIPOINT COMMUNICATIONS, INC. - NY 134   2022-01-09   
838-231 8 Colonie NY LTHMNYNLW02  6622 OMNIPOINT COMMUNICATIONS, INC. - NY 134   2022-01-09   
838-231 9 Colonie NY LTHMNYNLW02  6622 OMNIPOINT COMMUNICATIONS, INC. - NY 134   2021-11-04   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.