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: 629 [Rate centres in NPA 629] [Dial plan for NPA 629]

NXX: 675

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
629-675 A Portland TN NSVLTNMT83Z  525E ONVOY, LLC - TN 470      
629-675 1 Portland TN NSVLTNMT83Z  525E ONVOY, LLC - TN 470   2023-09-11   
629-675 3 Portland TN NSVNTNGN6MD  516J TON80 COMMUNICATIONS, LLC 470   2022-03-16   
629-675 6 Portland TN NSVLTNMT83Z  525E ONVOY, LLC - TN 470   2022-09-29   
629-675 7 Portland TN NSVLTNMT83Z  525E ONVOY, LLC - TN 470   2022-09-29   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.