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County ZIP codes · Ohio · FIPS 39175

Wyandot County, OH ZIP Codes

Wyandot County, Ohio has 12 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 7 of the residential ones lie mainly in Wyandot County and 5 mainly in a neighboring county; 9 cross the county line. Median household income ranges from $67,606 in 43351 (Upper Sandusky) to $78,828 in 43316 (Carey) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Wyandot County?

43316 · Carey: $79k43323 · Harpster: $57k43330 · Kirby: $66k43332 · La Rue: $81k43337 · Morral: $71k43351 · Upper Sandusky: $68k43359 · Wharton: $69k44844 · McCutchenville: $84k44849 · Nevada: $70k44882 · Sycamore: $74k45843 · Forest: $72k45867 · Mount Blanchard: $101k433514584344882433164333244849433374332345867433594484443316 · Carey: $79k43323 · Harpster: $57k43330 · Kirby: $66k43332 · La Rue: $81k43337 · Morral: $71k43351 · Upper Sandusky: $68k43359 · Wharton: $69k44844 · McCutchenville: $84k44849 · Nevada: $70k44882 · Sycamore: $74k45843 · Forest: $72k45867 · Mount Blanchard: $101k433514584344882433164333244849433374332345867433594484443316 · Carey: $79k43323 · Harpster: $57k43330 · Kirby: $66k43332 · La Rue: $81k43337 · Morral: $71k43351 · Upper Sandusky: $68k43359 · Wharton: $69k44844 · McCutchenville: $84k44849 · Nevada: $70k44882 · Sycamore: $74k45843 · Forest: $72k45867 · Mount Blanchard: $101k4335145843448824331643332448494333743323458674335944844
The residential ZIP codes of Wyandot 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 $69,902 and $73,529.

They carry 12 postal town names.

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

All 12 residential ZIP codes in Wyandot County

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

Residential ZIP codes mainly in Wyandot County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
43351 Upper Sandusky 10,457 68 $68k $170k 100%
43316 Carey 5,968 79 $79k $167k 79%
44849 Nevada 2,195 44 $70k $146k 73%
44882 Sycamore 2,133 30 $74k $164k 58%
43359 Wharton 748 35 $69k $165k 100%
43323 Harpster 598 16 $57k $179k 96%
43330 Kirby 100 926 $66k $105k 100%

Partly in Wyandot County

Residential ZIP codes mainly in another county that reach at least 1% into Wyandot County, by their share here
In this county
44844 McCutchenville 744 40 $84k $160k 48%
45843 Forest 4,184 42 $72k $176k 37%
43337 Morral 625 18 $71k $141k 21%
43332 La Rue 2,173 36 $81k $147k 4%
45867 Mount Blanchard 978 40 $101k $161k 3%

Download the 12 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?

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

Share of each ZIP code's land in Wyandot County and in the neighboring counties
ZIPIn WyandotElsewhere
4331679%Seneca County 17%; Hancock County 4%
4584337%Hardin County 38%; Hancock County 25%
4484973%Crawford County 24%; Marion County 3%
433324%Marion County 87%; Hardin County 9%
4488258%Crawford County 33%; Seneca County 9%
458673%Hancock County 97%
4484448%Seneca County 52%
4333721%Marion County 79%
4332396%Marion County 4%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Wyandot County's ZIP codes use 3 prefixes: 433, 448 and 458.

Three-digit prefixes of Wyandot 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 Wyandot County's
PrefixSectional centerHereAll codes
433 Columbus, OH (SCF 430) 7 43
448 Cleveland, OH (SCF 440) 3 63
458 Columbus, OH (SCF 430) 2 85

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