County ZIP codes · Arizona · FIPS 04021
Pinal County, AZ ZIP Codes
Pinal County, Arizona has 39 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 35 residential and 4 for PO boxes or a single organization. 29 of the residential ones lie mainly in Pinal County and 6 mainly in a neighboring county; 12 cross the county line. Median household income ranges from $46,128 in 85173 (Superior) to $129,367 in 85142 (Queen Creek) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Pinal 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 $68,443 and $94,495.
They carry 29 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 35 residential ZIP codes in Pinal County
29 ZIP codes lie mainly in Pinal County; 6 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 85142 | Queen Creek | 93,700 | 925 | $129k | $594k | 68% |
| 85122 | Casa Grande | 61,624 | 1,093 | $68k | $284k | 100% |
| 85138 | Maricopa | 55,260 | 652 | $96k | $379k | 100% |
| 85140 | San Tan Valley | 51,260 | 622 | $102k | $445k | 100% |
| 85143 | San Tan Valley | 44,444 | 1,421 | $94k | $389k | 100% |
| 85132 | Florence | 38,671 | 64 | $79k | $339k | 100% |
| 85120 | Apache Junction | 31,191 | 1,351 | $58k | $162k | 94% |
| 85119 | Apache Junction | 25,420 | 556 | $72k | $265k | 100% |
| 85139 | Maricopa | 20,784 | 41 | $87k | $344k | 53% |
| 85128 | Coolidge | 19,487 | 117 | $66k | $249k | 100% |
| 85131 | Eloy | 18,794 | 61 | $57k | $259k | 100% |
| 85739 | Tucson | 18,478 | 72 | $82k | $417k | 87% |
| 85658 | Marana | 16,051 | 82 | $123k | $478k | 65% |
| 85118 | Gold Canyon | 14,932 | 100 | $86k | $482k | 100% |
| 85123 | Arizona City | 10,003 | 297 | $69k | $250k | 100% |
| 85194 | Casa Grande | 8,077 | 100 | $83k | $350k | 100% |
| 85623 | Oracle | 5,558 | 29 | $69k | $428k | 100% |
| 85147 | Sacaton | 4,911 | 69 | $49k | $328k | 100% |
| 85193 | Casa Grande | 4,118 | 19 | $58k | $167k | 100% |
| 85631 | San Manuel | 3,508 | 29 | $48k | $120k | 100% |
| 85145 | Red Rock | 3,277 | 85 | $80k | $290k | 100% |
| 85121 | Bapchule | 2,800 | 37 | $31k | – | 100% |
| 85173 | Superior | 2,600 | 55 | $46k | $147k | 100% |
| 85137 | Kearny | 2,406 | 10 | $58k | $134k | 100% |
| 85192 | Winkelman | 1,849 | 6 | $60k | $162k | 68% |
| 85172 | Stanfield | 1,688 | 23 | $72k | $160k | 100% |
| 85618 | Mammoth | 1,550 | 6 | $52k | $103k | 100% |
| 85141 | Picacho | 364 | 6 | $71k | – | 100% |
| 85191 | Valley Farms | 32 | 60 | – | – | 100% |
Partly in Pinal County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 85339 | Laveen | 54,641 | 212 | $111k | $442k | 44% |
| 85248 | Chandler | 37,095 | 1,214 | $95k | $528k | 37% |
| 85539 | Miami | 3,386 | 44 | $48k | $138k | 25% |
| 85212 | Mesa | 55,283 | 1,433 | $126k | $584k | 8% |
| 85653 | Marana | 23,574 | 69 | $86k | $334k | 5% |
| 85634 | Sells | 5,038 | 2 | $36k | $83k | 2% |
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?
12 ZIP codes of Pinal County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Pinal | Elsewhere |
|---|---|---|
| 85142 | 68% | Maricopa County 32% |
| 85212 | 8% | Maricopa County 92% |
| 85339 | 44% | Maricopa County 56% |
| 85248 | 37% | Maricopa County 63% |
| 85120 | 94% | Maricopa County 6% |
| 85653 | 5% | Pima County 95% |
| 85139 | 53% | Maricopa County 47% |
| 85739 | 87% | Pima County 13% |
| 85658 | 65% | Pima County 35% |
| 85634 | 2% | Pima County 98% |
| 85539 | 25% | Gila County 75% |
| 85192 | 68% | Gila County 32% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Pinal County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Pinal County's ZIP codes use 6 prefixes: 851, 852, 853, 855, 856 and 857.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 851 | Phoenix, AZ (SCF 852) | 28 | 31 |
| 852 | Phoenix, AZ (SCF 852) | 2 | 63 |
| 853 | Phoenix, AZ (SCF 852) | 1 | 81 |
| 855 | Phoenix, AZ (SCF 852) | 1 | 24 |
| 856 | Tucson, AZ (SCF 856) | 6 | 53 |
| 857 | Tucson, AZ (SCF 856) | 1 | 55 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.