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: 590

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-590 A Massena IA OMAHNENWXCY  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 644      
712-590 0 Massena IA OMAHNENWXCY  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 644   2010-09-05   
712-590 7 Massena IA OMAHNENWXMX  6529 T-MOBILE USA, INC. 644   2011-01-17   
712-590 9 Massena IA OMAHNENWGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 644   2022-05-26   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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