First three digits · Arizona
ZIP Codes Starting with
26 ZIP codes start with 859, sorted at the Phoenix, AZ (SCF 852) sectional center (USPS labeling list L005, effective October 1, 2026) in Arizona: 26 residential ZIP codes across 5 counties (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 859 mean?
The first digit, 8, is one of ten national areas (Arizona, Colorado, Idaho, New Mexico, Nevada, Utah and Wyoming). The first three, 859, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 859 to the Phoenix, AZ (SCF 852) facility. The last two digits pick the delivery area. By residents, the largest town names among the 859 ZIP codes are Show Low, Whiteriver, Snowflake, Lakeside, Pinetop and Eagar.
The same facility sorts 8 prefixes, 372 ZIP codes in all: 850, 851, 852, 853, 855, 859, 860, 863.
Where are the 859 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 859
| County | ||||||
|---|---|---|---|---|---|---|
| 85901 | Show Low | Navajo County | 19,533 | 74 | $60k | $280k |
| 85902 | Show Low | Navajo County | 2 | 0 | – | – |
| 85911 | Cibecue | Navajo County | 2,273 | 7 | $26k | $102k |
| 85912 | White Mountain Lake | Navajo County | 170 | 4 | $94k | $131k |
| 85920 | Alpine | Apache County | 613 | 6 | $73k | $352k |
| 85922 | Blue | Greenlee County | 141 | 0 | $56k | – |
| 85923 | Clay Springs | Navajo County | 442 | 7 | – | $199k |
| 85924 | Concho | Apache County | 2,269 | 3 | $27k | $83k |
| 85925 | Eagar | Apache County | 4,401 | 53 | $83k | $248k |
| 85926 | Fort Apache | Navajo County | 710 | 99 | – | $66k |
| 85927 | Greer | Apache County | 315 | 3 | $92k | $559k |
| 85928 | Heber | Navajo County | 424 | 1 | $42k | $221k |
| 85929 | Lakeside | Navajo County | 7,451 | 219 | $63k | $307k |
| 85930 | McNary | Apache County | 1,374 | 10 | $54k | $65k |
| 85931 | Forest Lakes | Coconino County | 210 | 1 | $88k | $453k |
| 85932 | Nutrioso | Apache County | 894 | 7 | – | $231k |
| 85933 | Overgaard | Navajo County | 4,388 | 46 | $66k | $320k |
| 85934 | Pinedale | Navajo County | 661 | 11 | $57k | $314k |
| 85935 | Pinetop | Navajo County | 4,534 | 101 | $73k | $437k |
| 85936 | Saint Johns | Apache County | 3,909 | 3 | $131k | $194k |
| 85937 | Snowflake | Navajo County | 9,760 | 34 | $70k | $270k |
| 85938 | Springerville | Apache County | 2,236 | 9 | $50k | $212k |
| 85939 | Taylor | Navajo County | 3,849 | 71 | $91k | $309k |
| 85940 | Vernon | Apache County | 1,185 | 12 | $111k | $246k |
| 85941 | Whiteriver | Gila County | 10,459 | 22 | $43k | $75k |
| 85942 | Woodruff | Navajo County | no residents | 0 | – | – |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.