Below is a list of Seiling OK zip codes. For your research we have also included Seiling Area Code, Time Zone, UTC and the local Dewey County FIPS Code. Each Seiling Oklahoma zip code has a center Longitude / Latitude point (the Seiling center is -98.924499511719 / 36.144500732422). For your convenience we have also indicated if that zip code in Seiling observes Daylight Savings time.