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: 677

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
838-677 A Colonie NY ALBYNYPSHMD  965H FRACTEL, LLC 134      
838-677 0 Colonie NY   997E BANDWIDTH.COM CLEC, LLC - NY 134   2022-09-17   
838-677 1 Colonie NY   997E BANDWIDTH.COM CLEC, LLC - NY 134   2022-09-17   
838-677 2 Colonie NY   516J TON80 COMMUNICATIONS, LLC 134   2021-07-04   
838-677 3 Colonie NY   818H PEERING HUB, INC. - NY 134   2021-04-25   
838-677 4 Colonie NY   7140 TC SYSTEMS, INC. - NY 134   2022-12-12   
838-677 5 Colonie NY   624H ONVOY SPECTRUM, LLC 134   2022-01-27   
838-677 6 Colonie NY   624H ONVOY SPECTRUM, LLC 134   2021-04-22   
838-677 7 Colonie NY   965H FRACTEL, LLC 134   2021-04-04   
838-677 8 Colonie NY   624H ONVOY SPECTRUM, LLC 134   2022-01-27   
838-677 9 Colonie NY   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 134   2023-01-18   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.