The postal code of O Brien which is listed in our database is 79539. Our records often include geographical coordinates of O Brien and it's corresponding postal code. In the result box below, you can find the postal code of O Brien and it's location on the map if we have the location information available. Every postal code is also located in a region or a district, in case we know the district or region of the city it will too be listed in the results. All kinds of additional information we have on O Brien may also be present such as geographical data, historical records or news about O Brien and 79539 in general.