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County ZIP codes · Texas · FIPS 48319

Mason County, TX ZIP Codes

Mason County, Texas has 6 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 3 of the residential ones lie mainly in Mason County and 3 mainly in a neighboring county; 4 cross the county line.

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Mason County?

76820 · Art: –76825 · Brady: $54k76842 · Fredonia: –76856 · Mason: $75k76869 · Pontotoc: –78618 · Doss: $82k76856768257861876842768207686976820 · Art: –76825 · Brady: $54k76842 · Fredonia: –76856 · Mason: $75k76869 · Pontotoc: –78618 · Doss: $82k76856768257861876842768207686976820 · Art: –76825 · Brady: $54k76842 · Fredonia: –76856 · Mason: $75k76869 · Pontotoc: –78618 · Doss: $82k7685676825786187684276820
The residential ZIP codes of Mason 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).

All 6 residential ZIP codes in Mason County

3 ZIP codes lie mainly in Mason County; 3 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Mason County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
76856 Mason 3,532 5 $75k $292k 100%
76842 Fredonia 297 4 – – 59%
76820 Art 104 1 – – 100%

Partly in Mason County

Residential ZIP codes mainly in another county that reach at least 1% into Mason County, by their share here
In this county
76869 Pontotoc no residents 0 – – 38%
78618 Doss 346 2 $82k $349k 38%
76825 Brady 6,454 13 $54k $149k 3%

Download the 6 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 Mason County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Mason County and in the neighboring counties
ZIPIn MasonElsewhere
768253%McCulloch County 97%
7861838%Gillespie County 62%
7684259%San Saba County 41%
7686938%San Saba County 39%; Llano County 23%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Mason County's ZIP codes use 2 prefixes: 768 and 786.

Three-digit prefixes of Mason 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 Mason County's
PrefixSectional centerHereAll codes
768 Abilene, TX (SCF 795) 5 53
786 Austin, TX (SCF 786) 1 75

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