Reference DataRate Center DirectoryWELDON, IA Rate CenterWELDON — IAData last updated: October 30, 2026LATA632StateIAArea Codes1Exchanges (NXX)1Carriers1Coordinates40.8974992, -93.7349421Area Codes641Top CarriersCarrierOCNNXX CountGRAND RIVER MUTUAL TEL CO18881