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County ZIP codes · West Virginia · FIPS 54049

Marion County, WV ZIP Codes

Marion County, West Virginia has 21 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 18 residential and 3 for PO boxes or a single organization. 14 of the residential ones lie mainly in Marion County and 4 mainly in a neighboring county; 9 cross the county line. Median household income ranges from $52,083 in 26582 (Mannington) to $84,167 in 26571 (Farmington) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Marion County?

26354 · Grafton: $53k26437 · Smithfield: –26448 · Wallace: $33k26554 · Fairmont: $70k26559 · Barrackville: $73k26560 · Baxter: $6,87526563 · Carolina: –26570 · Fairview: $71k26571 · Farmington: $84k26572 · Four States: $86k26574 · Grant Town: $65k26576 · Idamay: $99k26582 · Mannington: $52k26585 · Metz: $62k26586 · Montana Mines: –26587 · Rachel: –26588 · Rivesville: $61k26591 · Worthington: $61k26554263542658226570265852644826588264372657126591265722655926354 · Grafton: $53k26437 · Smithfield: –26448 · Wallace: $33k26554 · Fairmont: $70k26559 · Barrackville: $73k26560 · Baxter: $6,87526563 · Carolina: –26570 · Fairview: $71k26571 · Farmington: $84k26572 · Four States: $86k26574 · Grant Town: $65k26576 · Idamay: $99k26582 · Mannington: $52k26585 · Metz: $62k26586 · Montana Mines: –26587 · Rachel: –26588 · Rivesville: $61k26591 · Worthington: $61k265542635426582265702658526448265882643726571265912657226354 · Grafton: $53k26437 · Smithfield: –26448 · Wallace: $33k26554 · Fairmont: $70k26559 · Barrackville: $73k26560 · Baxter: $6,87526563 · Carolina: –26570 · Fairview: $71k26571 · Farmington: $84k26572 · Four States: $86k26574 · Grant Town: $65k26576 · Idamay: $99k26582 · Mannington: $52k26585 · Metz: $62k26586 · Montana Mines: –26587 · Rachel: –26588 · Rivesville: $61k26591 · Worthington: $61k26554263542658226570265852644826588264372657126591
The residential ZIP codes of Marion 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 $52,742 and $71,048.

They carry 18 postal town names.

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

All 18 residential ZIP codes in Marion County

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

Residential ZIP codes mainly in Marion County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
26554 Fairmont 42,118 319 $70k $184k 87%
26582 Mannington 3,743 43 $52k $101k 98%
26588 Rivesville 2,635 76 $61k $173k 79%
26571 Farmington 1,788 108 $84k $142k 100%
26559 Barrackville 1,619 474 $73k $167k 100%
26591 Worthington 1,568 130 $61k $124k 96%
26585 Metz 977 33 $62k $171k 67%
26576 Idamay 634 540 $99k $111k 100%
26574 Grant Town 506 1,031 $65k $105k 100%
26563 Carolina 261 367 – – 100%
26560 Baxter 153 975 $6,875 $94k 100%
26572 Four States 114 20 $86k – 100%
26587 Rachel 98 135 – $85k 100%
26586 Montana Mines 58 569 – – 100%

Partly in Marion County

Residential ZIP codes mainly in another county that reach at least 1% into Marion County, by their share here
In this county
26570 Fairview 3,350 52 $71k $156k 26%
26448 Wallace 1,005 26 $33k $78k 6%
26437 Smithfield 502 17 – $93k 4%
26354 Grafton 9,558 103 $53k $136k 2%

Download the 21 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 Marion County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Marion County and in the neighboring counties
ZIPIn MarionElsewhere
2655487%Monongalia County 8%; Taylor County 3%; Harrison County 1%
263542%Taylor County 98%
2658298%Harrison County 2%
2657026%Monongalia County 74%
2658879%Monongalia County 21%
2659196%Harrison County 4%
264486%Harrison County 91%; Doddridge County 4%
2658567%Wetzel County 33%
264374%Wetzel County 96%

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

PO Box and single-organization ZIP codes

ZIP codes in Marion County without a residential area (GeoNames postal codes)
ZIPPostal name
26555Fairmont
26566Colfax
26578Kingmont

Source: GeoNames postal codes (CC BY 4.0).

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Marion County's ZIP codes use 3 prefixes: 263, 264 and 265.

Three-digit prefixes of Marion 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 Marion County's
PrefixSectional centerHereAll codes
263 Charleston, WV (SCF 250) 1 33
264 Charleston, WV (SCF 250) 2 30
265 Pittsburgh, PA (SCF 150) 18 46

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