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County ZIP codes · Missouri · FIPS 29173

Ralls County, MO ZIP Codes

Ralls County, Missouri has 9 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 4 of the residential ones lie mainly in Ralls County and 5 mainly in a neighboring county; 7 cross the county line. Median household income ranges from $51,205 in 63462 (Perry) to $67,778 in 63459 (New London) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Ralls County?

63352 · Laddonia: $55k63382 · Vandalia: $61k63401 · Hannibal: $60k63436 · Center: $57k63441 · Frankford: $77k63456 · Monroe City: $64k63459 · New London: $68k63462 · Perry: $51k63467 · Saverton: –634566345963401634626338263352634366344163352 · Laddonia: $55k63382 · Vandalia: $61k63401 · Hannibal: $60k63436 · Center: $57k63441 · Frankford: $77k63456 · Monroe City: $64k63459 · New London: $68k63462 · Perry: $51k63467 · Saverton: –634566345963401634626338263352634366344163352 · Laddonia: $55k63382 · Vandalia: $61k63401 · Hannibal: $60k63436 · Center: $57k63441 · Frankford: $77k63456 · Monroe City: $64k63459 · New London: $68k63462 · Perry: $51k63467 · Saverton: –6345663459634016346263382633526343663441
The residential ZIP codes of Ralls 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?

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $54,485 and $60,733.

They carry 9 postal town names.

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

All 9 residential ZIP codes in Ralls County

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

Residential ZIP codes mainly in Ralls County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
63459 New London 4,423 32 $68k $171k 92%
63462 Perry 1,335 11 $51k $157k 59%
63436 Center 1,199 15 $57k $176k 100%
63467 Saverton 19 62 – – 100%

Partly in Ralls County

Residential ZIP codes mainly in another county that reach at least 1% into Ralls County, by their share here
In this county
63401 Hannibal 21,489 194 $60k $152k 50%
63382 Vandalia 4,033 32 $61k $96k 41%
63456 Monroe City 4,749 26 $64k $161k 34%
63352 Laddonia 1,018 10 $55k $98k 10%
63441 Frankford 1,144 12 $77k $105k 10%

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?

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

Share of each ZIP code's land in Ralls County and in the neighboring counties
ZIPIn RallsElsewhere
6340150%Marion County 50%
6345634%Marion County 39%; Monroe County 27%
6345992%Pike County 8%
6338241%Audrain County 48%; Pike County 11%
6346259%Monroe County 41%
6344110%Pike County 90%
6335210%Audrain County 90%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Ralls County's ZIP codes use 2 prefixes: 633 and 634.

Three-digit prefixes of Ralls 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 Ralls County's
PrefixSectional centerHereAll codes
633 St Louis, MO (SCF 630) 2 51
634 St Louis, MO (SCF 630) 7 42

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