Reference DataRate Center DirectoryMANILLA, IA Rate CenterMANILLA — IAData last updated: October 30, 2026LATA644StateIAArea Codes1Exchanges (NXX)1Carriers1Coordinates41.88903738221421, -95.23154547116539Area Codes712Top CarriersCarrierOCNNXX CountFARMERS MUTUAL COOP. TEL. CO.11681