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: 531 [Rate centres in NPA 531] [Dial plan for NPA 531]

NXX: 361

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
531-361 A Fremont NE   549E ONVOY, LLC - NE 644   2024-04-26   
531-361 0 Fremont NE   549E ONVOY, LLC - NE 644      
531-361 1 Fremont NE   549E ONVOY, LLC - NE 644      
531-361 3 Fremont NE   6701 AERIAL COMMUNICATIONS, INC. 644      
531-361 4 Fremont NE   6701 AERIAL COMMUNICATIONS, INC. 644      
531-361 5 Fremont NE   6701 AERIAL COMMUNICATIONS, INC. 644      
531-361 6 Fremont NE   6701 AERIAL COMMUNICATIONS, INC. 644      
531-361 7 Fremont NE   6701 AERIAL COMMUNICATIONS, INC. 644      
531-361 8 Fremont NE   6701 AERIAL COMMUNICATIONS, INC. 644      
531-361 9 Fremont NE   6701 AERIAL COMMUNICATIONS, INC. 644      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.