County ZIP codes · Arizona · FIPS 04009
Graham County, AZ ZIP Codes
Graham County, Arizona has 12 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 11 residential and 1 for PO boxes or a single organization. 10 of the residential ones lie mainly in Graham County and 1 mainly in a neighboring county; 3 cross the county line. Median household income ranges from $57,903 in 85643 (Willcox) to $92,011 in 85543 (Pima) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Graham 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 $57,903 and $88,454.
They carry 11 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 11 residential ZIP codes in Graham County
10 ZIP codes lie mainly in Graham County; 1 more reaches into it from a neighboring county and follows the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 85546 | Safford | 20,809 | 30 | $62k | $200k | 100% |
| 85643 | Willcox | 8,476 | 4 | $58k | $174k | 51% |
| 85552 | Thatcher | 6,861 | 235 | $89k | $291k | 100% |
| 85543 | Pima | 4,868 | 13 | $92k | $265k | 100% |
| 85542 | Peridot | 2,885 | 11 | $29k | $32k | 86% |
| 85530 | Bylas | 1,967 | 5 | $39k | $23k | 100% |
| 85531 | Central | 657 | 147 | $97k | $480k | 100% |
| 85551 | Solomon | 361 | 14 | $76k | – | 100% |
| 85536 | Fort Thomas | 355 | 2 | $105k | $157k | 100% |
| 85535 | Eden | 42 | 11 | – | – | 100% |
Partly in Graham County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 85533 | Clifton | 2,607 | 3 | $63k | – | 30% |
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?
3 ZIP codes of Graham County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Graham | Elsewhere |
|---|---|---|
| 85643 | 51% | Cochise County 49% |
| 85542 | 86% | Gila County 14% |
| 85533 | 30% | Greenlee County 70% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 85548 | Safford |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Graham County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Graham County's ZIP codes use 2 prefixes: 855 and 856.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.