Below is a list of Lamont OK zip codes. For your research we have also included Lamont Area Code, Time Zone, UTC and the local Grant County FIPS Code. Each Lamont Oklahoma zip code has a center Longitude / Latitude point (the Lamont center is -97.556900024414 / 36.690601348877). For your convenience we have also indicated if that zip code in Lamont observes Daylight Savings time.