County ZIP codes · Missouri · FIPS 29203

Shannon County, MO ZIP Codes

Shannon County, Missouri has 10 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 9 residential and 1 for PO boxes or a single organization. 5 of the residential ones lie mainly in Shannon County and 4 mainly in a neighboring county; 8 cross the county line. Median household income ranges from $55,257 in 63638 (Ellington) to $56,250 in 65560 (Salem) (Census Bureau, ACS 2020-2024).

ACS2020-24
Census2020

Where are the ZIP codes of Shannon County?

The residential ZIP codes of Shannon County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024).<$54.1k$98.1k+no figure

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

How different are its ZIP codes?

63638 · $55k65560 · $56k

They carry 9 postal town names.

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

All 9 residential ZIP codes in Shannon County

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

Residential ZIP codes mainly in Shannon County, largest first; "In this county" is the share of the ZIP's land in the county
						In this county
65438	Birch Tree	2,363	8	$54k	$117k	67%
65588	Winona	2,235	10	$45k	$156k	68%
65466	Eminence	1,464	8	$41k	$227k	100%
63629	Bunker	947	3	$47k	$104k	48%
65479	Hartshorn	295	3	$108k	$236k	61%

Partly in Shannon County

Residential ZIP codes mainly in another county that reach at least 1% into Shannon County, by their share here
						In this county
65571	Summersville	1,762	9	$60k	$141k	49%
65548	Mountain View	6,388	34	$49k	$133k	32%
63638	Ellington	2,489	8	$55k	$138k	18%
65560	Salem	13,822	21	$56k	$166k	12%

Download the 10 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?

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

Share of each ZIP code's land in Shannon County and in the neighboring counties
ZIP	In Shannon	Elsewhere
65560	12%	Dent County79%; Crawford County6%; Phelps County2%
65548	32%	Howell County61%; Texas County8%
63638	18%	Reynolds County82%
65438	67%	Oregon County33%
65588	68%	Oregon County32%
65571	49%	Texas County51%
63629	48%	Reynolds County33%; Dent County19%
65479	61%	Texas County39%

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

PO Box and single-organization ZIP codes

ZIP codes in Shannon County without a residential area (GeoNames postal codes)
ZIP	Postal name
65546	Montier

Source: GeoNames postal codes (CC BY 4.0).

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Shannon County's ZIP codes use 3 prefixes: 636, 654 and 655.

Three-digit prefixes of Shannon 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 Shannon County's
Prefix	Sectional center	Here	All codes
636	St Louis, MO (SCF 630)	2	37
654	Springfield, MO (SCF 656)	3	29
655	Springfield, MO (SCF 656)	5	33

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