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County ZIP codes · Oklahoma · FIPS 40087

McClain County, OK ZIP Codes

McClain County, Oklahoma has 12 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 6 of the residential ones lie mainly in McClain County and 6 mainly in a neighboring county; 7 cross the county line. Median household income ranges from $56,321 in 74872 (Stratford) to $96,719 in 73093 (Washington) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of McClain County?

73010 · Blanchard: $90k73031 · Dibble: –73052 · Lindsay: $62k73057 · Maysville: $61k73065 · Newcastle: $87k73072 · Norman: $79k73074 · Paoli: $78k73080 · Purcell: $73k73093 · Washington: $97k73095 · Wayne: $77k74831 · Byars: $59k74872 · Stratford: $56k730107305274872730807483173057730957307273093730657307473010 · Blanchard: $90k73031 · Dibble: –73052 · Lindsay: $62k73057 · Maysville: $61k73065 · Newcastle: $87k73072 · Norman: $79k73074 · Paoli: $78k73080 · Purcell: $73k73093 · Washington: $97k73095 · Wayne: $77k74831 · Byars: $59k74872 · Stratford: $56k730107305274872730807483173057730957307273093730657307473010 · Blanchard: $90k73031 · Dibble: –73052 · Lindsay: $62k73057 · Maysville: $61k73065 · Newcastle: $87k73072 · Norman: $79k73074 · Paoli: $78k73080 · Purcell: $73k73093 · Washington: $97k73095 · Wayne: $77k74831 · Byars: $59k74872 · Stratford: $56k73010730527487273080748317305773095730727309373074
The residential ZIP codes of McClain 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 $62,222 and $78,546.

They carry 12 postal town names.

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

All 12 residential ZIP codes in McClain County

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

Residential ZIP codes mainly in McClain County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
73065 Newcastle 11,685 226 $87k $249k 100%
73080 Purcell 10,773 108 $73k $231k 100%
73093 Washington 3,767 65 $97k $315k 100%
73095 Wayne 1,748 23 $77k $150k 100%
74831 Byars 743 11 $59k $137k 87%
73031 Dibble 44 306 – – 100%

Partly in McClain County

Residential ZIP codes mainly in another county that reach at least 1% into McClain County, by their share here
In this county
73010 Blanchard 21,521 123 $90k $272k 48%
73052 Lindsay 6,380 30 $62k $170k 38%
73072 Norman 50,881 975 $79k $307k 34%
73057 Maysville 2,222 26 $61k $155k 33%
73074 Paoli 1,208 28 $78k $140k 22%
74872 Stratford 2,901 20 $56k $182k 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?

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

Share of each ZIP code's land in McClain County and in the neighboring counties
ZIPIn McClainElsewhere
7307234%Cleveland County 66%
7301048%Grady County 52%
7305238%Garvin County 52%; Grady County 10%
748723%Garvin County 73%; Pontotoc County 24%
7305733%Garvin County 67%
7307422%Garvin County 78%
7483187%Pontotoc County 7%; Garvin County 6%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. McClain County's ZIP codes use 2 prefixes: 730 and 748.

Three-digit prefixes of McClain 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 McClain County's
PrefixSectional centerHereAll codes
730 Oklahoma City, OK (SCF 730) 10 89
748 Oklahoma City, OK (SCF 730) 2 50

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