Reference DataRate Center DirectoryNORTHBORO, IA Rate CenterNORTHBORO — IAData last updated: October 30, 2026LATA644StateIAArea Codes1Exchanges (NXX)1Carriers1Coordinates40.60777815906724, -95.29049089454719Area Codes712Top CarriersCarrierOCNNXX CountIAMO COMMUNICATIONS, INC.12061