Reference DataRate Center DirectoryBURR OAK, IA Rate CenterBURR OAK — IAData last updated: October 30, 2026LATA620StateIAArea Codes1Exchanges (NXX)1Carriers1Coordinates43.456494363916, -91.85767875299598Area Codes563Top CarriersCarrierOCNNXX CountMABEL COOP. TEL. CO. - IA14241