County ZIP codes · Arkansas · FIPS 05085
Lonoke County, AR ZIP Codes
Lonoke County, Arkansas has 11 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 10 residential and 1 for PO boxes or a single organization. 9 of the residential ones lie mainly in Lonoke County and 1 mainly in a neighboring county; 8 cross the county line. Median household income ranges from $54,379 in 72076 (Jacksonville) to $86,302 in 72007 (Austin) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Lonoke County?
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 $56,685 and $68,840.
They carry 10 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 10 residential ZIP codes in Lonoke County
9 ZIP codes lie mainly in Lonoke County; 1 more reaches into it from a neighboring county and follows the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 72023 | Cabot | 37,452 | 381 | $77k | $217k | 69% |
| 72086 | Lonoke | 11,718 | 71 | $59k | $149k | 96% |
| 72007 | Austin | 10,579 | 230 | $86k | $234k | 100% |
| 72176 | Ward | 8,678 | 123 | $69k | $176k | 67% |
| 72024 | Carlisle | 3,998 | 21 | $59k | $151k | 93% |
| 72046 | England | 3,876 | 17 | $57k | $107k | 71% |
| 72142 | Scott | 2,557 | 24 | $63k | $197k | 63% |
| 72083 | Keo | 310 | 84 | $39k | $87k | 100% |
| 72072 | Humnoke | 260 | 7 | $37k | $115k | 75% |
Partly in Lonoke County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 72076 | Jacksonville | 38,437 | 529 | $54k | $164k | 11% |
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?
8 ZIP codes of Lonoke County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Lonoke | Elsewhere |
|---|---|---|
| 72076 | 11% | Pulaski County 85%; Faulkner County 4% |
| 72023 | 69% | Pulaski County 27%; Faulkner County 4% |
| 72086 | 96% | Prairie County 4% |
| 72176 | 67% | Prairie County 33% |
| 72024 | 93% | Prairie County 7% |
| 72046 | 71% | Pulaski County 17%; Jefferson County 12% |
| 72142 | 63% | Pulaski County 37% |
| 72072 | 75% | Jefferson County 25% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 72037 | Coy |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Lonoke County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Lonoke County's ZIP codes use 2 prefixes: 720 and 721.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.