Calhoun County, Iowa ZIP codes
9ZIP codes
9Cities and towns
9,790People in ZIP areas
515, 712Area codes
Calhoun County is in Iowa and the Central Time zone. ZIP codes don’t follow county lines exactly, so a ZIP code listed here can reach into a neighboring county.
All ZIP codes in Calhoun County
| ZIP code | City | Type | Population | Median income |
|---|---|---|---|---|
| 50538 | Farnhamville | Standard | 661 | $62,344 |
| 50551 | Jolley | Standard | 96 | – |
| 50552 | Knierim | PO Box only | 76 | $89,000 |
| 50563 | Manson | Standard | 2,505 | $71,094 |
| 50575 | Pomeroy | Standard | 696 | $52,717 |
| 50579 | Rockwell City | Standard | 3,034 | $61,108 |
| 50586 | Somers | Standard | 272 | $55,375 |
| 51449 | Lake City | Standard | 1,950 | $75,329 |
| 51453 | Lohrville | Standard | 500 | $86,563 |
Cities and towns in Calhoun County
- Farnhamville 1 ZIP
- Jolley 1 ZIP
- Knierim 1 ZIP
- Lake City 1 ZIP
- Lohrville 1 ZIP
- Manson 1 ZIP
- Pomeroy 1 ZIP
- Rockwell City 1 ZIP
- Somers 1 ZIP
Area codes in Calhoun County
Questions
- How many ZIP codes are in Calhoun County, IA?
- Calhoun County has 9 ZIP codes, 8 of them standard ZIP codes for street addresses.
- What cities are in Calhoun County?
- Calhoun County ZIP codes cover Farnhamville, Jolley, Knierim, Lake City, Lohrville, Manson, Pomeroy and Rockwell City and 1 other places.
- What area code is Calhoun County, IA?
- Calhoun County uses area codes 515 and 712.
- What time zone is Calhoun County in?
- Calhoun County is in Central Time.
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