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: 712 [Rate centres in NPA 712] [Dial plan for NPA 712]

NXX: 530

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-530 A Emerson IA OMAHNENWXPX  221F ONVOY, LLC - IA 644      
712-530 0 Emerson IA OMAHNENWXPX  221F ONVOY, LLC - IA 644      
712-530 1 Emerson IA OMAHNENWXPX  221F ONVOY, LLC - IA 644      
712-530 2 Emerson IA OMAHNENWX6Y  073H TELNYX LLC 644      
712-530 3 Emerson IA OMAHNENWXPX  221F ONVOY, LLC - IA 644      
712-530 5 Emerson IA OMAHNENWXPX  221F ONVOY, LLC - IA 644      
712-530 6 Emerson IA OMAHNENWX2Y  624H ONVOY SPECTRUM, LLC 644      
712-530 7 Emerson IA OMAHNENWX2Y  624H ONVOY SPECTRUM, LLC 644      
712-530 8 Emerson IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 644      
712-530 9 Emerson IA OMAHNENWGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 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.