Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 1485 SPRING GROVE COMMUNICATIONS

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
507-498 A Spring Grove MN SPGVMNXSDS0  620   2024-01-30   
563-492 A South Spring Grove IA SPGVMNXSDS0  620      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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