Mason City, IA ZIP Codes, Coordinates & Counties

Mason City, Iowa has 1 ZIP code in Cerro Gordo county. The approximate center of Mason City is 43.154, -93.2. Mason City has about 136,296 known street addresses.

ZIP codes
1
Counties
1
State
Iowa (IA)
Coordinates
43.154, -93.2
Mapped addresses
136,296

ZIP codes in Mason City, IA

ZIP CodeCountyLatitudeLongitude
50401 Cerro Gordo 43.154 -93.2

Counties Mason City spans

Cerro Gordo

Most common streets in Mason City

Spruce, Jefferson, Madison, 300th, Pierce, Virginia, State, 4th, Louisiana, Partridge

Frequently asked questions

What ZIP codes are in Mason City, IA?

Mason City, Iowa has 1 ZIP code, ranging from 50401 to 50401. The full list, with each ZIP's county and coordinates, is in the table on this page.

What county is Mason City, IA in?

Mason City is in Cerro Gordo county.

What are the latitude and longitude of Mason City, IA?

The approximate center of Mason City, Iowa is latitude 43.154, longitude -93.2. Coordinates for each ZIP code are listed in the table above.

How many ZIP codes does Mason City, IA have?

Mason City has 1 ZIP code.

How many addresses are in Mason City, IA?

Mason City, Iowa has about 136,296 known street addresses in the sthan.io US address database.

What are the most common streets in Mason City, IA?

Some of the most common street names in Mason City are Spruce, Jefferson, Madison, 300th, Pierce, Virginia.

What cities are near Mason City, IA?

Cities near Mason City include Rock Falls (7 mi), Manly (9 mi), Plymouth (9 mi), Clear Lake (10 mi), Nora Springs (10 mi).

Cities near Mason City

Rock Falls, IA (7 mi) Manly, IA (9 mi) Plymouth, IA (9 mi) Clear Lake, IA (10 mi) Nora Springs, IA (10 mi) Rockwell, IA (11 mi) Swaledale, IA (13 mi) Hanlontown, IA (13 mi)

All Iowa cities →

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Last updated: June 2026 · Data: sthan.io US address database