CALLAO POST OFFICE 63534

Callao Post Office Hours


Retail Hours

Monday-Friday 7:30am - 11:30am
Saturday 7:30am - 8:30am
Sunday Closed

Bulk Mail Acceptance Hours

Monday-Friday 7:45am - 11:00am, 12:00pm - 4:00pm
Saturday 7:45am - 9:00am
Sunday Closed

Monday-Friday 7:30am - 11:30am
Saturday 7:30am - 8:30am
Sunday Closed

Lobby Hours

Monday-Sunday 12:01am - 11:59pm

USPS Shipping Rate Calculator

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Ida Collins (Postmaster) ida.m.collins@usps.gov
109 Market St
Callao, MO 63534

The Callao Post Office is located in the state of Missouri within Macon County. This location serves 804 Callao residents with a median income of $45,625. It's estimated that approximately 1,283 packages pass through this post office each year.

Callao Post Office Location


Callao Missouri Local Links