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: 607

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-607 A Rock Valley IA SXCYIADTCMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630   2024-12-01   
712-607 0 Rock Valley IA SXCYIADTCMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630   2025-07-27   
712-607 1 Rock Valley IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 630   2025-11-12   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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