Below is a list of Mulhall OK zip codes. For your research we have also included Mulhall Area Code, Time Zone, UTC and the local Logan County FIPS Code. Each Mulhall Oklahoma zip code has a center Longitude / Latitude point (the Mulhall center is -97.407096862793 / 36.063800811768). For your convenience we have also indicated if that zip code in Mulhall observes Daylight Savings time.