Topeka, KS has 31 different zip codes so it depends on what area you live in.
As of 2012, Missouri has 6 area codes:314 = St. Louis417 = Springfield, Joplin, southwest573 = Jefferson City, Columbia, southeast636 = St. Charles, outer suburbs of St. Louis660 = Sedalia816 = Kansas City
The area of Kansas City metropolitan area is 20,596 square kilometers.
Area code 661 covers a chunk of southern California, including Bakersfield and northern Los Angeles County (Lancaster, Palmdale, etc.). It covers many different ZIP Codes.
Kansas, USA - 82,277 sq miles.
Kansas is not in a volcanic area.
If you look at maps, you will not find area codes. Area codes can be found on area code locator websites. Another place to find area codes is in the telephone directory.
The Kansas portion of the Kansas City Metropolitan Area
Kansas ranks 15th in total area with 82,276.84 square miles.
The area of Downtown Kansas City is 7,770,000.0 square meters.
The area of Perry Lake - Kansas - is 44.515 square kilometers.
The area of Silver Lake - Kansas - is 56,655.9899136 square meters.