What city is ZIP code 85371?

85371 is a Poston, Arizona ZIP code.

What county is 85371 in?

ZIP code 85371 is in La Paz County, Arizona.

What time zone is ZIP code 85371 in?

85371 is in the Mountain Time (no daylight saving) zone (America/Phoenix).

What area code is 85371?

Phone numbers in ZIP code 85371 use area code 928.

What is the population of ZIP code 85371?

About 111 people live in ZIP code 85371, according to the Census Bureau’s American Community Survey (2020–2024).

Can I use 85371 for a street address?

No. 85371 is only for PO Boxes. Street addresses in Poston use another ZIP code.

What ZIP codes are near 85371?

The nearest ZIP codes to 85371 are 85344 (Parker, 12.6 miles), 92242 (Earp, 13.4 miles), 92280 (Vidal, 15 miles) and 85346 (Quartzsite, 21.5 miles).

ZIP code 85371

Where is ZIP code 85371?

Poston, Arizona

La Paz County · PO Box only ZIP code

ZIP code 85371 belongs to Poston, Arizona in La Paz County. 85371 is a PO Box only ZIP code: it is used for post office boxes at the Poston post office, not for street addresses. It is in the Mountain Time (no daylight saving) zone and uses area code 928. About 111 people live in the 85371 area. The closest ZIP codes are 85344 (Parker, 12.6 mi northeast), 92242 (Earp, 13.4 mi north) and 92280 (Vidal, 15 mi northwest).

ZIP code	85371
Type	PO Box only (no street delivery)
Status	Active
City	Poston
State	Arizona (AZ)
County	La Paz County
Time zone	Mountain Time (no daylight saving) · now
Area code	928
Coordinates	33.9906, -114.3963 map
3-digit prefix	853

Population and income in 85371

Population	111 · lower than 97% of Arizona ZIP codes
People per square mile	12 · lower than 68% of Arizona ZIP codes
Median age	15.3 years · lower than 100% of Arizona ZIP codes
Men / women	32% / 69%
Income per person	$8,692
Below the poverty line	64%
Bachelor’s degree or higher	0.0% of adults 25+
Housing units	56
Households	50 (2.22 people on average)
Owners / renters	10% / 90%
Land area	9.3 sq mi

Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 85371. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.

ZIP codes near 85371

ZIP code	City	Distance	Type
85344	Parker, AZ	12.6 mi NE	Standard
92242	Earp, CA	13.4 mi N	Standard
92280	Vidal, CA	15 mi NW	Standard
85346	Quartzsite, AZ	21.5 mi SE	PO Box only
85325	Bouse, AZ	22.6 mi E	PO Box only
85359	Quartzsite, AZ	24.1 mi S	PO Box only
92267	Parker Dam, CA	25.1 mi NE	PO Box only
85334	Ehrenberg, AZ	26.5 mi S	PO Box only
92225	Blythe, CA	28.7 mi SW	Standard
92226	Blythe, CA	30.8 mi SW	PO Box only
85328	Cibola, AZ	31.2 mi S	Standard
86406	Lake Havasu City, AZ	33.6 mi NE	Standard

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 85371 or measure the distance to another ZIP code.

How to address mail to 85371

JANE SMITH
PO BOX 123
POSTON AZ 85371

Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (85371-XXXX) helps mail sort faster but isn’t required.

Questions

What city is ZIP code 85371?: 85371 is a Poston, Arizona ZIP code.
What county is 85371 in?: ZIP code 85371 is in La Paz County, Arizona.
What time zone is ZIP code 85371 in?: 85371 is in the Mountain Time (no daylight saving) zone (America/Phoenix).
What area code is 85371?: Phone numbers in ZIP code 85371 use area code 928.
What is the population of ZIP code 85371?: About 111 people live in ZIP code 85371, according to the Census Bureau’s American Community Survey (2020–2024).
Can I use 85371 for a street address?: No. 85371 is only for PO Boxes. Street addresses in Poston use another ZIP code.
What ZIP codes are near 85371?: The nearest ZIP codes to 85371 are 85344 (Parker, 12.6 miles), 92242 (Earp, 13.4 miles), 92280 (Vidal, 15 miles) and 85346 (Quartzsite, 21.5 miles).