What city is ZIP code 52557?

52557 is a Fairfield, Iowa ZIP code.

What county is 52557 in?

ZIP code 52557 is in Jefferson County, Iowa.

What time zone is ZIP code 52557 in?

52557 is in the Central Time zone (America/Chicago).

What area code is 52557?

Phone numbers in ZIP code 52557 use area code 641.

What is the population of ZIP code 52557?

About 685 people live in ZIP code 52557, according to the Census Bureau’s American Community Survey (2020–2024).

Can I use 52557 for a street address?

Only for mail to the organization it is assigned to. Other addresses in Fairfield use a standard ZIP code.

What ZIP codes are near 52557?

The nearest ZIP codes to 52557 are 52556 (Fairfield, 1 miles), 52567 (Libertyville, 5.5 miles), 52580 (Packwood, 8.9 miles) and 52533 (Batavia, 9.3 miles).

ZIP code 52557

Where is ZIP code 52557?

Fairfield, Iowa

Jefferson County · Unique ZIP code

ZIP code 52557 belongs to Fairfield, Iowa in Jefferson County. 52557 is a unique ZIP code assigned to a single organization (Maharishi University Of Mgmt) that gets a lot of mail. It is in the Central Time zone and uses area code 641. About 685 people live in the 52557 area. The closest ZIP codes are 52556 (Fairfield, 1 mi southeast), 52567 (Libertyville, 5.5 mi southwest) and 52580 (Packwood, 8.9 mi northwest).

ZIP code	52557
Type	Unique ZIP code for a single organization
Status	Active
City	Fairfield
State	Iowa (IA)
County	Jefferson County
Time zone	Central Time · now
Area code	641
Coordinates	41.0166, -91.9682 map
3-digit prefix	525

Population and income in 52557

Population	685 · lower than 61% of Iowa ZIP codes
People per square mile	2,566 · higher than 98% of Iowa ZIP codes
Median age	25.1 years · lower than 99% of Iowa ZIP codes
Men / women	79% / 21%
Income per person	$5,801
Bachelor’s degree or higher	84% of adults 25+
Housing units	0
Households	0
Land area	0.27 sq mi

Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 52557. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.

ZIP codes near 52557

ZIP code	City	Distance	Type
52556	Fairfield, IA	1 mi SE	Standard
52567	Libertyville, IA	5.5 mi SW	Standard
52580	Packwood, IA	8.9 mi NW	Standard
52533	Batavia, IA	9.3 mi W	Standard
52635	Lockridge, IA	10.6 mi E	Standard
52535	Birmingham, IA	10.7 mi S	Standard
52540	Brighton, IA	12 mi NE	Standard
52585	Richland, IA	12.3 mi N	Standard
52651	Stockport, IA	13.6 mi SE	Standard
52551	Douds, IA	13.8 mi SW	Standard
52642	Rome, IA	14.6 mi E	PO Box only
52554	Eldon, IA	14.9 mi SW	Standard

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 52557 or measure the distance to another ZIP code.

How to address mail to 52557

JANE SMITH
123 MAIN ST
FAIRFIELD IA 52557

Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (52557-XXXX) helps mail sort faster but isn’t required.

Other ZIP codes in Fairfield, IA

52556

All Fairfield ZIP codes with population and income →

Questions

What city is ZIP code 52557?: 52557 is a Fairfield, Iowa ZIP code.
What county is 52557 in?: ZIP code 52557 is in Jefferson County, Iowa.
What time zone is ZIP code 52557 in?: 52557 is in the Central Time zone (America/Chicago).
What area code is 52557?: Phone numbers in ZIP code 52557 use area code 641.
What is the population of ZIP code 52557?: About 685 people live in ZIP code 52557, according to the Census Bureau’s American Community Survey (2020–2024).
Can I use 52557 for a street address?: Only for mail to the organization it is assigned to. Other addresses in Fairfield use a standard ZIP code.
What ZIP codes are near 52557?: The nearest ZIP codes to 52557 are 52556 (Fairfield, 1 miles), 52567 (Libertyville, 5.5 miles), 52580 (Packwood, 8.9 miles) and 52533 (Batavia, 9.3 miles).