Callao, Missouri sales tax rate: 6.975%
Last updated Checked monthly
The sales tax rate in Callao, Missouri is 6.975%. That’s the 4.225% state rate plus 2.75% in local taxes. It’s higher than 150 of the 228 Missouri cities we checked, and 8 other cities pay the same.
Calculated by the 
Sales Tax APIThe same engine Zamp customers use.Callao combined rate
6.975%
- Missouri state
- 4.225%
- Macon CountyCounty
- 1.75%
- CallaoCity
- 1%
Callao sales tax calculator
Enter a price and what you’re selling.
- MissouriState · 4.225%$4.23
- Macon CountyCounty · 1.75%$1.75
- Callao City (Macon County)City · 1%$1.00
Charging this at checkout? Zamp calculates it on every order and files the returns.
Book a demoCallao sales tax rate breakdown
State, county and city taxes add up to 6.975%.
| Jurisdiction | Type | Rate |
|---|---|---|
| State of Missouri | State | 4.225% |
| Macon County | County | 1.75% |
| Callao City (Macon County) | City | 1% |
| Combined rate | 6.975% |
Rate history
- July 20236.975%
- July 20246.975%
- July 20256.975%
- July 20266.975%
- Today6.975%
No change since July 2023.
Charge the right rate in Callao, on every order.
Zamp calculates tax at each customer’s address, then files and pays every Missouri return for you, with a sales tax team you can call.
Callao sales tax questions.
Still have questions? Call us at 1-866-438-9267 or email us at support@zamp.com.
What is the sales tax rate in Callao, Missouri?
The combined sales tax rate in Callao is 6.975% as of November 2, 2026. It’s made up of 4.225% Missouri state tax, 1.75% Macon County, 1% Callao City (Macon County).
Does the sales tax rate vary within Callao?
Callao has no special-district taxes, so most addresses in the city pay the same 6.975%: Missouri’s 4.225% plus 1.75% county tax plus 1% city tax. This rate was calculated for the centre of Callao; the calculator prices any exact address.
Is SaaS taxable in Callao?
No.
Do online sellers have to collect sales tax in Callao?
Yes, if they have nexus in Missouri: more than $100,000 in Missouri sales in the previous or current calendar year, or a physical presence in the state. They register with the Missouri Department of Revenue and charge the rate at the buyer’s address.
Sources. Missouri Department of Revenue · Zamp Sales Tax API, for the centre of Callao. Rates are checked monthly and are for information, not tax advice.
Sales tax, off your plate.
Zamp registers you, calculates every order at the customer’s address, files every Missouri return and handles notices, with a sales tax team you can call.
#1 rated support on G2
