HomeCanadaNew BrunswickMt MiddletonMt MiddletonNew Brunswick, CanadaMt Middleton, New Brunswick, Canada: 16 postal codes.Postal codes of Mt MiddletonE4G 1G3E4G 1G4E4G 1G5E4G 1J8E4G 1J9E4G 1K1E4G 1K2E4G 1K3E4G 3B4E4G 3B5E4G 3B6E4G 3B7E4G 3B8E4G 3B9E4G 3C1E4G 3C2