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: 812 [Rate centres in NPA 812] [Dial plan for NPA 812]

NXX: 957

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
812-957 A Hope IN BLTNIN01XJY  7314 TELEPORT COMMUNICATIONS AMERICA, LLC - IN 338      
812-957 0 Hope IN BLTNIN01XRX  073H TELNYX LLC 338   2020-07-06   
812-957 1 Hope IN BLTNIN01X7Y  097D ONVOY, LLC - IN 338   2021-02-27   
812-957 2 Hope IN BLTNIN01X7Y  097D ONVOY, LLC - IN 338   2021-02-27   
812-957 3 Hope IN BLTNIN01X9Y  105F BANDWIDTH.COM CLEC, LLC - IN 338   2022-09-18   
812-957 5 Hope IN BLTNIN01X0Z  624H ONVOY SPECTRUM, LLC 338   2024-06-16   
812-957 6 Hope IN BLTNIN01XJY  7314 TELEPORT COMMUNICATIONS AMERICA, LLC - IN 338   2017-05-11   
812-957 7 Hope IN BLTNIN01XWY  508J CENTURYLINK COMMUNICATIONS, LLC 338   2017-08-31   
812-957 8 Hope IN BLTNIN01X7Y  097D ONVOY, LLC - IN 338   2020-07-10   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.