Local Calling Guide

Area code/prefix search

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

NXX: 551

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-551 A Hawarden IA HWRDIAADRS0  8708 HAWARDEN MUNICIPAL UTILITIES 630      
712-551 0 Hawarden IA   8708 HAWARDEN MUNICIPAL UTILITIES 630      
712-551 1 Hawarden IA   8708 HAWARDEN MUNICIPAL UTILITIES 630      
712-551 2 Hawarden IA   8708 HAWARDEN MUNICIPAL UTILITIES 630      
712-551 3 Hawarden IA   8708 HAWARDEN MUNICIPAL UTILITIES 630      
712-551 4 Hawarden IA   8708 HAWARDEN MUNICIPAL UTILITIES 630      
712-551 5 Hawarden IA   8708 HAWARDEN MUNICIPAL UTILITIES 630      
712-551 6 Hawarden IA   6266 UNITED STATES CELLULAR - IA 630      
712-551 7 Hawarden IA   6266 UNITED STATES CELLULAR - IA 630      
712-551 8 Hawarden IA   8708 HAWARDEN MUNICIPAL UTILITIES 630      
712-551 9 Hawarden IA   8708 HAWARDEN MUNICIPAL UTILITIES 630      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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