County ZIP codes · Missouri · FIPS 29023

Butler County, MO ZIP Codes

Butler County, Missouri has 13 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 11 residential and 2 for PO boxes or a single organization. 7 of the residential ones lie mainly in Butler County and 4 mainly in a neighboring county; 6 cross the county line. Median household income ranges from $51,152 in 63901 (Poplar Bluff) to $61,614 in 63937 (Ellsinore) (Census Bureau, ACS 2020-2024).

ACS2020-24
Census2020

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

63901 · $51k 63937 · $62k

They carry 11 postal town names.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 11 residential ZIP codes in Butler County

7 ZIP codes lie mainly in Butler County; 4 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Butler County, largest first; "In this county" is the share of the ZIP's land in the county
						In this county
63901	Poplar Bluff	35,324	124	$51k	$152k	100%
63961	Qulin	1,600	18	$39k	$90k	100%
63940	Fisk	1,326	24	$53k	$144k	100%
63954	Neelyville	954	9	$40k	$95k	94%
63945	Harviell	928	30	$44k	$146k	90%
63932	Broseley	848	17	$47k	$62k	100%
63962	Rombauer	no residents	0	–	–	100%

Partly in Butler County

Residential ZIP codes mainly in another county that reach at least 1% into Butler County, by their share here
						In this county
63967	Williamsville	1,313	11	$42k	$104k	30%
63966	Wappapello	2,110	35	$60k	$110k	21%
63953	Naylor	787	14	$33k	$88k	18%
63937	Ellsinore	2,643	16	$62k	$223k	14%

Download the 13 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

6 ZIP codes of Butler County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Butler County and in the neighboring counties
ZIP	In Butler	Elsewhere
63937	14%	Carter County 79%; Wayne County 7%
63966	21%	Wayne County 79%
63967	30%	Wayne County 70%
63954	94%	Ripley County 6%
63945	90%	Ripley County 10%
63953	18%	Ripley County 82%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

PO Box and single-organization ZIP codes

ZIP codes in Butler County without a residential area (GeoNames postal codes)
ZIP	Postal name
63902	Poplar Bluff
63938	Fagus

Source: GeoNames postal codes (CC BY 4.0).

Which first three digits do Butler County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Butler County starts with 639.

Three-digit prefixes of Butler County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Butler County's
Prefix	Sectional center	Here	All codes
639	St Louis, MO (SCF 630)	13	32

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.

Where are the ZIP codes of Butler County?