Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 712 [Rate centres in NPA 712] [Dial plan for NPA 712]

NXX: 612

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-612 A East Harrisburg IA SXFLSDCOX0X  624H ONVOY SPECTRUM, LLC 640      
712-612 1 East Harrisburg IA SXFLSDCOX0X  624H ONVOY SPECTRUM, LLC 640   2021-10-29   
712-612 6 East Harrisburg IA SXFLSDCOX0X  624H ONVOY SPECTRUM, LLC 640   2021-08-22   
712-612 7 East Harrisburg IA SXFLSDCORMD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 640   2023-01-08   
712-612 9 East Harrisburg IA SXFLSDPS8MD  490J DISH WIRELESS, LLC 640   2022-08-27   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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