What city is ZIP code 72170?

72170 is a Ulm, Arkansas ZIP code.

What county is 72170 in?

ZIP code 72170 is in Prairie County, Arkansas.

What time zone is ZIP code 72170 in?

72170 is in the Central Time zone (America/Chicago).

What area code is 72170?

Phone numbers in ZIP code 72170 use area code 870.

What is the population of ZIP code 72170?

About 174 people live in ZIP code 72170, according to the Census Bureau’s American Community Survey (2020–2024).

What is the median income in 72170?

The median household income in 72170 is $63,438 a year, higher than 70% of Arkansas ZIP codes.

Can I use 72170 for a street address?

No. 72170 is only for PO Boxes. Street addresses in Ulm use another ZIP code.

What ZIP codes are near 72170?

The nearest ZIP codes to 72170 are 72134 (Roe, 6.1 miles), 72160 (Stuttgart, 8 miles), 72026 (Casscoe, 10.5 miles) and 72003 (Almyra, 11.4 miles).

ZIP code 72170

Where is ZIP code 72170?

Ulm, Arkansas

Prairie County · PO Box only ZIP code

ZIP code 72170 belongs to Ulm, Arkansas in Prairie County. 72170 is a PO Box only ZIP code: it is used for post office boxes at the Ulm post office, not for street addresses. It is in the Central Time zone and uses area code 870. About 174 people live in the 72170 area, where the median household income is $63,438. The closest ZIP codes are 72134 (Roe, 6.1 mi northeast), 72160 (Stuttgart, 8 mi southwest) and 72026 (Casscoe, 10.5 mi southeast).

ZIP code	72170
Type	PO Box only (no street delivery)
Status	Active
City	Ulm
State	Arkansas (AR)
County	Prairie County
Time zone	Central Time · now
Area code	870
Coordinates	34.5772, -91.4633 map
3-digit prefix	721

Population and income in 72170

Population	174 · lower than 87% of Arkansas ZIP codes
People per square mile	34 · higher than 59% of Arkansas ZIP codes
Median age	45.6 years · higher than 59% of Arkansas ZIP codes
Men / women	28% / 72%
Median household income	$63,438 · higher than 70% of Arkansas ZIP codes
Income per person	$33,766
Below the poverty line	1.7%
Bachelor’s degree or higher	6.1% of adults 25+
Housing units	121
Households	74 (2.35 people on average)
Owners / renters	89% / 11%
Land area	5.19 sq mi (plus 0.06 sq mi of water)

Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 72170. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.

ZIP codes near 72170

ZIP code	City	Distance	Type
72134	Roe, AR	6.1 mi NE	Standard
72160	Stuttgart, AR	8 mi SW	Standard
72026	Casscoe, AR	10.5 mi SE	Standard
72003	Almyra, AR	11.4 mi S	Standard
72041	De Valls Bluff, AR	11.7 mi N	Standard
72029	Clarendon, AR	13.1 mi NE	Standard
72038	Crocketts Bluff, AR	14 mi SE	Standard
72064	Hazen, AR	15.7 mi NW	Standard
72069	Holly Grove, AR	15.9 mi E	Standard
72073	Humphrey, AR	17.2 mi SW	Standard
72072	Humnoke, AR	18.2 mi W	Standard
72017	Biscoe, AR	20.8 mi N	Standard

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 72170 or measure the distance to another ZIP code.

How to address mail to 72170

JANE SMITH
PO BOX 123
ULM AR 72170

Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (72170-XXXX) helps mail sort faster but isn’t required.

Questions

What city is ZIP code 72170?: 72170 is a Ulm, Arkansas ZIP code.
What county is 72170 in?: ZIP code 72170 is in Prairie County, Arkansas.
What time zone is ZIP code 72170 in?: 72170 is in the Central Time zone (America/Chicago).
What area code is 72170?: Phone numbers in ZIP code 72170 use area code 870.
What is the population of ZIP code 72170?: About 174 people live in ZIP code 72170, according to the Census Bureau’s American Community Survey (2020–2024).
What is the median income in 72170?: The median household income in 72170 is $63,438 a year, higher than 70% of Arkansas ZIP codes.
Can I use 72170 for a street address?: No. 72170 is only for PO Boxes. Street addresses in Ulm use another ZIP code.
What ZIP codes are near 72170?: The nearest ZIP codes to 72170 are 72134 (Roe, 6.1 miles), 72160 (Stuttgart, 8 miles), 72026 (Casscoe, 10.5 miles) and 72003 (Almyra, 11.4 miles).