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: 763 [Rate centres in NPA 763] [Dial plan for NPA 763]

NXX: 663

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
763-663 A Glendorado MN MPLSMNCDKMD  4156 TEKSTAR COMMUNICATIONS, INC. 628      
763-663 1 Glendorado MN MPLSMNCDKMD  4156 TEKSTAR COMMUNICATIONS, INC. 628   2018-04-27   
763-663 3 Glendorado MN   145J TERRA NOVA TELECOM INC. 628   2025-05-29   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.