County ZIP codes · Arkansas · FIPS 05047
Franklin County, AR ZIP Codes
Franklin County, Arkansas has 13 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 12 residential and 1 for PO boxes or a single organization. 6 of the residential ones lie mainly in Franklin County and 6 mainly in a neighboring county; 11 cross the county line. Median household income ranges from $51,923 in 72959 (Winslow) to $75,494 in 72946 (Mountainburg) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Franklin 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 $54,089 and $58,640.
They carry 12 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 12 residential ZIP codes in Franklin County
6 ZIP codes lie mainly in Franklin County; 6 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 72949 | Ozark | 9,477 | 30 | $57k | $133k | 88% |
| 72933 | Charleston | 5,087 | 47 | $59k | $146k | 84% |
| 72947 | Mulberry | 4,493 | 39 | $59k | $161k | 54% |
| 72821 | Altus | 1,972 | 62 | $37k | $100k | 65% |
| 72928 | Branch | 522 | 22 | $32k | $108k | 100% |
| 72930 | Cecil | 207 | 6 | – | $108k | 77% |
Partly in Franklin County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 72721 | Combs | 851 | 14 | $60k | $171k | 48% |
| 72951 | Ratcliff | 729 | 48 | $39k | $144k | 47% |
| 72959 | Winslow | 2,972 | 15 | $52k | $197k | 16% |
| 72946 | Mountainburg | 3,844 | 41 | $76k | $165k | 12% |
| 72727 | Elkins | 6,703 | 43 | $75k | $214k | 5% |
| 72855 | Paris | 6,167 | 34 | $54k | $124k | 1% |
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 Franklin County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Franklin | Elsewhere |
|---|---|---|
| 72949 | 88% | Johnson County10%; Logan County2% |
| 72727 | 5% | Madison County63%; Washington County32% |
| 72855 | 1% | Logan County99% |
| 72933 | 84% | Sebastian County12%; Logan County5% |
| 72947 | 54% | Crawford County46% |
| 72946 | 12% | Crawford County88% |
| 72959 | 16% | Washington County59%; Crawford County25% |
| 72821 | 65% | Johnson County35% |
| 72721 | 48% | Madison County52% |
| 72951 | 47% | Logan County53% |
| 72930 | 77% | Sebastian County23% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 72820 | Alix |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Franklin County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Franklin County's ZIP codes use 3 prefixes: 727, 728 and 729.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 727 | Nw Arkansas, AR (SCF 727) | 2 | 52 |
| 728 | Little Rock, AR (SCF 720) | 3 | 38 |
| 729 | Nw Arkansas, AR (SCF 727) | 8 | 43 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.