Local Calling Guide

Area code/prefix search

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

NXX: 307

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-307 A Avoca IA OMAHNENWXCY  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 644      
712-307 0 Avoca IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 644      
712-307 1 Avoca IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 644      
712-307 2 Avoca IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 644      
712-307 3 Avoca IA   221F ONVOY, LLC - IA 644   2021-10-30   
712-307 6 Avoca IA   774B WALNUT TELEPHONE COMPANY, INC. - IA 644   2004-06-06   
712-307 7 Avoca IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 644      
712-307 8 Avoca IA   593K MCC TELEPHONY LLC 644   2010-05-07   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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