Postal reference / United States

85371Poston, Arizona

ZIP code 85371 is a United States postal code for Poston, Arizona. Its county association is La Paz County. The map reference point is at 33.9906, -114.3963.

State / territory
Arizona
Recorded place name
Poston
County association
La Paz
Estimated coordinate
33.9906, -114.3963
View on OpenStreetMap
ZIP prefix
853 · 81 ZIP codes share it
Data source
GeoNames postal reference, snapshot September 26, 2026

GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.

Area

Land area
9.297 sq mi (2023 Census Gazetteer)

Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.

Need the last four digits?

ZIP+4 depends on the full delivery address. A five-digit code alone cannot determine its extension.

Find ZIP+4

Explore Arizona

Browse the other 529 ZIP codes recorded for Arizona, sorted by code with place and county.

Arizona directory

Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
85344ParkerAZLa Paz12.6
92242EarpCASan Bernardino12.8
92280VidalCASan Bernardino15.0
85346QuartzsiteAZLa Paz21.5
85325BouseAZLa Paz22.6
85359QuartzsiteAZLa Paz24.1
92267Parker DamCASan Bernardino25.1
85334EhrenbergAZLa Paz26.5

Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.

Verify a mailing address

For mailing, confirm the complete street or PO Box address with USPS. A place record does not confirm delivery eligibility or the ZIP+4 extension.

Open USPS address lookup