Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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South Spring Grove, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
563-317 A ROCHMNROQMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 620      
563-492 A SPGVMNXSDS0  1485 SPRING GROVE COMMUNICATIONS 620      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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