Home Postcode finder NSW O 64 localities in NSW starting with O Every NSW locality beginning with O, each with the postcode that covers it. Select one for its full detail. Sort by Suburb name Postcode Oak Flats2529Oakdale2570Oakhampton2320Oakhampton Heights2320Oakhurst2761Oaklands2646Oakville2765Oakwood2360Oaky Park2790Oallen2622Oatlands2117Oatley2223Oban2365Obanvale2330Oberne Creek2650Oberon2787Obley2868Ocean Shores2483O'Connell2795Ogunbil2340Old Adaminaby2629Old Bar2430Old Bonalbo2469Old Erowal Bay2540Old Grevillia2474Old Guildford2161Old Junee2652Old Koreelah2476Old Mill2369Old Station2440Old Toongabbie2146Olinda2849Olney2325Omadale2337One Mile2316One Tree2711Oolong2581Ooma2871Ootha2875Ophir2800Oran Park2570Orange2800Orange East2800Orange Grove2380Orangeville2570Orchard Hills2748Orient Point2540Orton Park2795Osborne2656Osterley2324Oswald2321Otford2508Oura2650Ourimbah2258Ournie2640Owens Gap2337Oxford Falls2100Oxley2711Oxley2824Oxley Island2430Oxley Park2760Oxley Vale2340Oyster Bay2225Oyster Cove2318