Plain

County ZIP codes · Missouri · FIPS 29157

Perry County, MO ZIP Codes

Perry County, Missouri has 9 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 7 residential and 2 for PO boxes or a single organization. 6 of the residential ones lie mainly in Perry County and 1 mainly in a neighboring county; 4 cross the county line. Median household income ranges from $59,478 in 63748 (Frohna) to $63,712 in 63775 (Perryville) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Perry County?

63673 · Saint Mary: $78k63732 · Altenburg: $76k63746 · Farrar: –63748 · Frohna: $60k63770 · Old Appleton: –63775 · Perryville: $64k63783 · Uniontown: –63775636736374863732637836377063673 · Saint Mary: $78k63732 · Altenburg: $76k63746 · Farrar: –63748 · Frohna: $60k63770 · Old Appleton: –63775 · Perryville: $64k63783 · Uniontown: –637756367363748637326378363673 · Saint Mary: $78k63732 · Altenburg: $76k63746 · Farrar: –63748 · Frohna: $60k63770 · Old Appleton: –63775 · Perryville: $64k63783 · Uniontown: –63775636736374863732
The residential ZIP codes of Perry 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?

They carry 7 postal town names: Perryville, Saint Mary, Frohna, Altenburg, Old Appleton, Uniontown, Farrar.

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

All 7 residential ZIP codes in Perry County

6 ZIP codes lie mainly in Perry County; 1 more reaches into it from a neighboring county and follows the first table.

Residential ZIP codes mainly in Perry County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
63775 Perryville 16,325 48 $64k $188k 98%
63748 Frohna 1,174 16 $60k $177k 100%
63732 Altenburg 863 26 $76k $174k 62%
63770 Old Appleton 203 75 – – 53%
63783 Uniontown 60 11 – – 100%
63746 Farrar 11 9 – – 100%

Partly in Perry County

Residential ZIP codes mainly in another county that reach at least 1% into Perry County, by their share here
In this county
63673 Saint Mary 2,340 20 $78k $236k 30%

Download the 9 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?

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

Share of each ZIP code's land in Perry County and in the neighboring counties
ZIPIn PerryElsewhere
6377598%Bollinger County 1%; Cape Girardeau County 1%
6367330%Ste. Genevieve County 49%; Randolph County 20%
6373262%Cape Girardeau County 38%
6377053%Cape Girardeau County 47%

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

PO Box and single-organization ZIP codes

ZIP codes in Perry County without a residential area (GeoNames postal codes)
ZIPPostal name
63737Brazeau
63776McBride

Source: GeoNames postal codes (CC BY 4.0).

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Perry County's ZIP codes use 2 prefixes: 636 and 637.

Three-digit prefixes of Perry 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 Perry County's
PrefixSectional centerHereAll codes
636 St Louis, MO (SCF 630) 1 37
637 St Louis, MO (SCF 630) 8 42

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