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Kansas City ZIP codes: US ZIP code list for Kansas City, Missouri (MO)

Quick answer

Kansas City, Missouri has 12 US ZIP codes, running 64105 to 64132 inside Jackson County. Each carries the same 8.725% combined sales tax rate. ZIP boundaries are postal delivery routes, not tax boundaries — a code that crosses a city or district line can hold more than one rate, so destination-based sellers should validate by full street address.

ZIP codes
12Median covered metro: 12
Number span
2864105 to 64132
Sorting prefixes
641USPS sectional centers
Sales tax
8.725%Same in every listed code

Kansas City ZIP code footprint

How Kansas City's ZIP footprint compares with national norms.

12 ZIP codes are listed for Kansas City, covering a population of 508,394. They span 28 numbers, 64105 through 64132. The median covered metro on this site lists 12 codes; Kansas City ranks 2 of 94 by count. Large metros carry more codes because USPS splits a delivery area once carrier volume outgrows one route cluster, not because the city is geographically bigger.

All 12 codes share the 641 prefix. That first trio is the sectional center facility — the USPS plant that sorts mail for the region — so every piece addressed to Kansas City passes through one facility. The range runs 64105 to 64132.

ZIP boundaries are carrier routes, not city limits. USPS redraws them when delivery volume shifts; Missouri redraws tax and municipal lines on a different schedule entirely. A Kansas City mailing address does not prove an address sits inside Kansas City city limits, and a single code can straddle the boundary.

ZIP codes in Kansas City

All within Jackson County, Missouri.

Source: Missouri Department of Revenue rate tables · rates as published for 2026

Why ZIP-based rate lookup is unreliable

USPS redraws ZIP codes when carrier routes change. Tax jurisdictions move with annexations, county lines and voter-approved districts. The two never line up. In Missouri, local jurisdictions set their own increments, so remote sellers should validate the full delivery address against the Missouri Department of Revenue lookup at the time of sale.

Frequently asked questions

Common questions about this area.

How many ZIP codes does Kansas City have?
12. They run from 64105 to 64132 across 1 sectional center prefix (641), spanning 28 numbers.
What is the first ZIP code in Kansas City, MO?
64105 is the lowest-numbered code serving Kansas City. Numbering runs roughly northeast to west nationally, so Kansas City's 641 prefix reflects its position in the Missouri sorting network, not its size.
Do all Kansas City ZIP codes have the same sales tax rate?
Inside Kansas City city limits, yes — 8.725% applies. A code that extends past the city line can carry a different rate on part of its territory. Validate by street address, not ZIP, when the sale is destination-based. Confirm current rates with your state revenue agency before filing.

Kansas City sales tax breakdown and calculator

Other Kansas City datasets on this site.

Statewide: Missouri cities · Missouri ZIP codes · Missouri sales tax · Missouri counties