About The 913 Area Code
The 913 area code covers these major cities:
Kansas City, Overland Park, Lenexa, Olathe, Leawood, Lansing, Leavenworth, and more...
Along with those cities, these counties are also mostly covered:
Wyandotte, Johnson, Leavenworth, Miami, Linn, Atchison, Jefferson, and more...