Below is a list of Caddo OK zip codes. For your research we have also included Caddo Area Code, Time Zone, UTC and the local Bryan County FIPS Code. Each Caddo Oklahoma zip code has a center Longitude / Latitude point (the Caddo center is -96.268997192383 / 34.128898620605). For your convenience we have also indicated if that zip code in Caddo observes Daylight Savings time.