Austria country & area codes
| Area | Code | Digits |
| Oberdrauburg | (0)4710 | + 3/9D SN |
| Oberhofen am Irrsee | (0)6213 | + 3/9D SN |
| Oberkappel | (0)7284 | + 3/9D SN |
| Obernberg am Inn | (0)7758 | + 3/9D SN |
| Oberndorf an der Melk | (0)7483 | + 3/9D SN |
| Oberndorf bei Salzburg | (0)6272 | + 3/9D SN |
| Oberpullendorf | (0)2612 | + 3/9D SN |
| Oberschützen | (0)3353 | + 3/9D SN |
| Obersiebenbrunn | (0)2286 | + 3/9D SN |
| Obertauern | (0)6456 | + 3/9D SN |
| Obertilliach | (0)4847 | + 3/9D SN |
| Obertraun | (0)6131 | + 3/9D SN |
| Obertrum am See | (0)6219 | + 3/9D SN |
| Obervellach | (0)4782 | + 3/9D SN |
| Oberwölbling | (0)2786 | + 3/9D SN |
| Oberwölz | (0)3581 | + 3/9D SN |
| Oberwaltersdorf | (0)2253 | + 3/9D SN |
| Oberwang | (0)6233 | + 3/9D SN |
| Oberwart | (0)3352 | + 3/9D SN |
| Oberweiden | (0)2284 | + 3/9D SN |
| Obritz | (0)2943 | + 3/9D SN |
| Oed-Oehling | (0)7478 | + 3/9D SN |
| Oetz | (0)5252 | + 3/9D SN |
| Oppenberg | (0)3619 | + 3/9D SN |
| Opponitz | (0)7444 | + 3/9D SN |
| Orth an der Donau | (0)2212 | + 3/9D SN |
| Ostermiething | (0)6278 | + 3/9D SN |
| Ottenschlag | (0)2872 | + 3/9D SN |
| Ottensheim | (0)7234 | + 3/9D SN |
| Ottnang am Hausruck | (0)7676 | + 3/9D SN |
| Pöchlarn | (0)2757 | + 3/9D SN |
| Pöggstall | (0)2758 | + 3/9D SN |
| Pölfing-Brunn | (0)3465 | + 3/9D SN |
| Pöllau | (0)3335 | + 3/9D SN |
| Pöls | (0)3579 | + 3/9D SN |
| Pörtschach am Wörther See | (0)4272 | + 3/9D SN |
| Pöttsching | (0)2631 | + 3/9D SN |
| Pabneukirchen | (0)7265 | + 3/9D SN |
| Paldau | (0)3150 | + 3/9D SN |
| Palfau | (0)3638 | + 3/9D SN |
| Parndorf | (0)2166 | + 3/9D SN |
| Passail | (0)3179 | + 3/9D SN |
| Paudorf | (0)2736 | + 3/9D SN |
| Peggau | (0)3127 | + 3/9D SN |
| Peilstein im Mühlviertel | (0)7287 | + 3/9D SN |
| Perg | (0)7262 | + 3/9D SN |
| Pernegg an der Mur | (0)3867 | + 3/9D SN |
| Pernitz | (0)2632 | + 3/9D SN |
| Perschling | (0)2784 | + 3/9D SN |
| Petronell-Carnuntum | (0)2163 | + 3/9D SN |
| Pettenbach | (0)7586 | + 3/9D SN |
| Pettneu am Arlberg | (0)5448 | + 3/9D SN |
| Peuerbach | (0)7276 | + 3/9D SN |
| Pfaffenschlag bei Waidhofen a.d.Thaya | (0)2848 | + 3/9D SN |
| Pfunds | (0)5474 | + 3/9D SN |
| Pichl-Kainisch | (0)3624 | + 3/9D SN |
| Piesendorf | (0)6549 | + 3/9D SN |
| Pinkafeld | (0)3357 | + 3/9D SN |
| Pischeldorf | (0)4224 | + 3/9D SN |
| Pischelsdorf in der Steiermark | (0)3113 | + 3/9D SN |
| Pitten | (0)2627 | + 3/9D SN |
| Podersdorf am See | (0)2177 | + 3/9D SN |
| Pottendorf | (0)2623 | + 3/9D SN |
| Poysdorf | (0)2552 | + 3/9D SN |
| Prägraten am Großvenediger | (0)4877 | + 3/9D SN |
| Pram | (0)7736 | + 3/9D SN |
| Preßbaum | (0)2233 | + 3/9D SN |
| Prebl | (0)4353 | + 3/9D SN |
| Preding | (0)3185 | + 3/9D SN |
| Pregarten | (0)7236 | + 3/9D SN |
| Prein an der Rax | (0)2665 | + 3/9D SN |
| Preitenegg | (0)4354 | + 3/9D SN |
| Prellenkirchen | (0)2145 | + 3/9D SN |
| Prinzersdorf | (0)2749 | + 3/9D SN |
| Probstdorf | (0)2215 | + 3/9D SN |
| Prutz | (0)5472 | + 3/9D SN |
| Puch bei Weiz | (0)3177 | + 3/9D SN |
| Puchberg am Schneeberg | (0)2636 | + 3/9D SN |
| Puchenstuben | (0)2726 | + 3/9D SN |
| Pulkau | (0)2946 | + 3/9D SN |
| Purbach am Neusiedler See | (0)2683 | + 3/9D SN |
| Purgstall an der Erlauf | (0)7489 | + 3/9D SN |
| Purkersdorf | (0)2231 | + 3/9D SN |
| Pusterwald | (0)3574 | + 3/9D SN |
| Pyhra | (0)2745 | + 3/9D SN |
| Rückersdorf (Harmannsdorf) | (0)2264 | + 3/9D SN |
| Raab | (0)7762 | + 3/9D SN |
| Raabs an der Thaya | (0)2846 | + 3/9D SN |
| Rabenstein an der Pielach | (0)2723 | + 3/9D SN |
| Radenthein | (0)4246 | + 3/9D SN |
| Radmer | (0)3635 | + 3/9D SN |
| Radstadt | (0)6452 | + 3/9D SN |
| Raggal | (0)5553 | + 3/9D SN |
| Rainbach im Mühlkreis | (0)7949 | + 3/9D SN |
| Ramingstein | (0)6475 | + 3/9D SN |
| Rappottenstein | (0)2828 | + 3/9D SN |
| Rastenfeld | (0)2826 | + 3/9D SN |
| Ratten | (0)3173 | + 3/9D SN |
| Rauris | (0)6544 | + 3/9D SN |
| Rechnitz | (0)3363 | + 3/9D SN |