Mission, KS is currently utilizing one area code which is area code 913. Area code 913 was one of two original area codes assigned to Kansas when it was established in 1947.
In addition to Mission, KS area code 913 serves the Kansas City Metropolitian area (portions within the state of Kansas) including the larger cities and communities of Atchison, Kansas City, Lansing, Leavenworth, Leawood, Lenexa, Olathe, Overland Park, Prairie Village and Shawnee in addition to many smaller communities within the service area.
Mission, KS is located in Johnson County and observes the Central Time Zone.
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