ZIP Codes in Holts Summit, MO
Holts Summit uses 1 ZIP code, all in Callaway County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 1 Holts Summit ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 65043 | standard | Callaway | 10,120 |
Finding a ZIP+4 in Holts Summit
Knowing which of these 1 ZIP codes covers an address only gets you partway. The four-digit extension identifies the specific delivery point — typically one side of one block. Two houses facing each other on the same Holts Summit street almost always have different ZIP+4 codes even though they share all five leading digits.
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