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County ZIP codes · Ohio · FIPS 39059

Guernsey County, OH ZIP Codes

Guernsey County, Ohio has 19 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 13 of the residential ones lie mainly in Guernsey County and 6 mainly in a neighboring county; 11 cross the county line. Median household income ranges from $51,474 in 43723 (Byesville) to $80,709 in 43762 (New Concord) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Guernsey County?

43722 · Buffalo: –43723 · Byesville: $52k43725 · Cambridge: $58k43732 · Cumberland: $73k43733 · Derwent: –43736 · Fairview: $67k43749 · Kimbolton: $66k43750 · Kipling: –43755 · Lore City: $69k43762 · New Concord: $81k43768 · Old Washington: $64k43772 · Pleasant City: $47k43773 · Quaker City: $53k43778 · Salesville: $66k43780 · Senecaville: $66k43832 · Newcomerstown: $58k43837 · Port Washington: $59k43973 · Freeport: $73k43983 · Piedmont: $31k4374943973437254383243773438374373243762437554378043772439834372343722 · Buffalo: –43723 · Byesville: $52k43725 · Cambridge: $58k43732 · Cumberland: $73k43733 · Derwent: –43736 · Fairview: $67k43749 · Kimbolton: $66k43750 · Kipling: –43755 · Lore City: $69k43762 · New Concord: $81k43768 · Old Washington: $64k43772 · Pleasant City: $47k43773 · Quaker City: $53k43778 · Salesville: $66k43780 · Senecaville: $66k43832 · Newcomerstown: $58k43837 · Port Washington: $59k43973 · Freeport: $73k43983 · Piedmont: $31k4374943973437254383243773438374373243762437554378043772439834372343722 · Buffalo: –43723 · Byesville: $52k43725 · Cambridge: $58k43732 · Cumberland: $73k43733 · Derwent: –43736 · Fairview: $67k43749 · Kimbolton: $66k43750 · Kipling: –43755 · Lore City: $69k43762 · New Concord: $81k43768 · Old Washington: $64k43772 · Pleasant City: $47k43773 · Quaker City: $53k43778 · Salesville: $66k43780 · Senecaville: $66k43832 · Newcomerstown: $58k43837 · Port Washington: $59k43973 · Freeport: $73k43983 · Piedmont: $31k437494397343725438324377343732437624375543780437724398343723
The residential ZIP codes of Guernsey 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 $52,826 and $65,565.

They carry 19 postal town names.

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

All 19 residential ZIP codes in Guernsey County

13 ZIP codes lie mainly in Guernsey County; 6 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Guernsey County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
43725 Cambridge 19,453 157 $58k $164k 100%
43723 Byesville 4,472 285 $52k $111k 100%
43749 Kimbolton 2,764 26 $66k $159k 87%
43773 Quaker City 2,546 24 $53k $155k 61%
43780 Senecaville 2,515 65 $66k $181k 64%
43732 Cumberland 1,813 23 $73k $155k 45%
43755 Lore City 1,750 45 $69k $167k 100%
43778 Salesville 1,378 34 $66k $188k 96%
43722 Buffalo 617 1,264 – $142k 100%
43768 Old Washington 211 328 $64k $138k 100%
43750 Kipling 110 107 – $98k 100%
43733 Derwent 66 71 – – 100%
43736 Fairview 14 341 $67k – 100%

Partly in Guernsey County

Residential ZIP codes mainly in another county that reach at least 1% into Guernsey County, by their share here
In this county
43973 Freeport 2,016 23 $73k $158k 48%
43772 Pleasant City 1,544 45 $47k $120k 30%
43762 New Concord 4,988 67 $81k $242k 26%
43983 Piedmont 657 36 $31k $204k 15%
43832 Newcomerstown 6,942 69 $58k $139k 9%
43837 Port Washington 1,329 27 $59k $114k 7%

Download the 19 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?

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

Share of each ZIP code's land in Guernsey County and in the neighboring counties
ZIPIn GuernseyElsewhere
438329%Tuscarawas County 60%; Coshocton County 31%
4376226%Muskingum County 74%
4374987%Coshocton County 13%
4377361%Noble County 38%; Monroe County 2%
4378064%Noble County 36%
4397348%Harrison County 52%
4373245%Noble County 33%; Muskingum County 22%
4377230%Noble County 70%
4377896%Noble County 4%
438377%Tuscarawas County 93%
4398315%Belmont County 74%; Harrison County 11%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Guernsey County's ZIP codes use 3 prefixes: 437, 438 and 439.

Three-digit prefixes of Guernsey 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 Guernsey County's
PrefixSectional centerHereAll codes
437 Columbus, OH (SCF 430) 15 59
438 Columbus, OH (SCF 430) 2 19
439 Pittsburgh, PA (SCF 150) 2 61

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