Post Offices List in Ellsworth County, Kansas:
| Ellsworth Post Office | 123 W 2nd St, Ellsworth, KS 67439 |
| Holyrood Post Office | 111 W Santa Fe Ave, Holyrood, KS 67450 |
| Kanopolis Post Office | 101 N Kansas Ave, Kanopolis, KS 67454 |
| Wilson Post Office | 2404 Avenue E, Wilson, KS 67490 |