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: 514

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-514 A Spencer IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630      
712-514 0 Spencer IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630   2025-12-05   
712-514 7 Spencer IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630   2024-10-07   
712-514 9 Spencer IA   321J HD CARRIER LLC 630   2019-12-26   

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

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