Coffeyville, KS is currently using one area code which is area code 620. Area code 620 was created from a split of area code 316 and put into service on February 3, 2001.
In addition to Coffeyville, KS area code 620 serves southern Kansas, excluding the Wichita metropolitian area, and includes the larger cities and communities of Dodge City, Emporia, Garden City, Great Bend, Hutchinson, Liberal, and McPherson, in addition to many smaller communities within the area code 620 service area.
Coffeyville, KS is located in Montgomery County and observes the Central Time Zone.
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