Sponsored Listings:
Argonia Post Office
111 S Main St
Argonia, Kansas 67004
Belle Plaine Post Office
434 N Merchant St
Belle Plaine, Kansas 67013
Caldwell Post Office
14 N Main St
Caldwell, Kansas 67022
Conway Springs Post Office
212 W Spring Ave
Conway Springs, Kansas 67031
Geuda Springs Post Office
117 S 1st St
Geuda Springs, Kansas 67051
Mayfield Post Office
116 N Osborn St
Mayfield, Kansas 67103
Milan Post Office
106 N Monroe St
Milan, Kansas 67105
Milton Post Office
1211 N Walnut St
Milton, Kansas 67106
Oxford Post Office
120 N Sumner St
Oxford, Kansas 67119
Peck Post Office
328 W 7th St
Peck, Kansas 67120
South Haven Post Office
114 N Main St
South Haven, Kansas 67140
Wellington Post Office
221 W Harvey Ave Office
Wellington, Kansas 67152
Sumner County
There are 12 US Post Offices in Sumner County serving a total of 22,259 residents equating to 1,855 residents per post office. It's estimated that approximately 35,528 packages are handled across the 12 county post offices annually. Sumner County (standard abbreviation: SU) is a county located in the U.S. state of Kansas. As of the 2010 census, the population was 24,132. Its county seat is Wellington."