What city is ZIP code 51591?

51591 is a Red Oak, Iowa ZIP code.

What county is 51591 in?

ZIP code 51591 is in Montgomery County, Iowa.

What time zone is ZIP code 51591 in?

51591 is in the Central Time zone (America/Chicago).

What area code is 51591?

Phone numbers in ZIP code 51591 use area code 712.

Can I use 51591 for a street address?

No. 51591 is only for PO Boxes. Street addresses in Red Oak use 51566.

What ZIP codes are near 51591?

The nearest ZIP codes to 51591 are 51566 (Red Oak, 4 miles), 51573 (Stanton, 4.3 miles), 51532 (Elliott, 6.9 miles) and 50864 (Villisca, 11 miles).

ZIP code 51591

Where is ZIP code 51591?

Red Oak, Iowa

Montgomery County · PO Box only ZIP code

ZIP code 51591 belongs to Red Oak, Iowa in Montgomery County. 51591 is a PO Box only ZIP code: it is used for post office boxes at the Red Oak post office, not for street addresses. It is in the Central Time zone and uses area code 712. The closest ZIP codes are 51566 (Red Oak, 4 mi southwest), 51573 (Stanton, 4.3 mi southeast) and 51532 (Elliott, 6.9 mi north).

ZIP code	51591
Type	PO Box only (no street delivery)
Status	Active
City	Red Oak
State	Iowa (IA)
County	Montgomery County
Time zone	Central Time · now
Area code	712
Coordinates	41.0303, -95.1562 map
3-digit prefix	515

The Census Bureau doesn’t publish population figures for po box only ZIP codes because nobody lives at a PO Box or a single organization’s address. For figures about the area, see the nearby standard ZIP codes below.

ZIP codes near 51591

ZIP code	City	Distance	Type
51566	Red Oak, IA	4 mi SW	Standard
51573	Stanton, IA	4.3 mi SE	Standard
51532	Elliott, IA	6.9 mi N	Standard
50864	Villisca, IA	11 mi SE	Standard
50847	Grant, IA	11.9 mi NE	PO Box only
51533	Emerson, IA	13.3 mi W	Standard
51535	Griswold, IA	14.2 mi N	Standard
51638	Essex, IA	14.8 mi SW	Standard
50857	Nodaway, IA	15.7 mi E	Standard
51541	Henderson, IA	17.1 mi NW	Standard
50839	Carbon, IA	17.4 mi E	Standard
51540	Hastings, IA	18 mi W	Standard

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 51591 or measure the distance to another ZIP code.

How to address mail to 51591

JANE SMITH
PO BOX 123
RED OAK IA 51591

Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (51591-XXXX) helps mail sort faster but isn’t required.

Other ZIP codes in Red Oak, IA

51566

All Red Oak ZIP codes with population and income →

Questions

What city is ZIP code 51591?: 51591 is a Red Oak, Iowa ZIP code.
What county is 51591 in?: ZIP code 51591 is in Montgomery County, Iowa.
What time zone is ZIP code 51591 in?: 51591 is in the Central Time zone (America/Chicago).
What area code is 51591?: Phone numbers in ZIP code 51591 use area code 712.
Can I use 51591 for a street address?: No. 51591 is only for PO Boxes. Street addresses in Red Oak use 51566.
What ZIP codes are near 51591?: The nearest ZIP codes to 51591 are 51566 (Red Oak, 4 miles), 51573 (Stanton, 4.3 miles), 51532 (Elliott, 6.9 miles) and 50864 (Villisca, 11 miles).