ZIP Code 51561 – Pacific Junction, IA
Pacific Junction, Iowa · Mills County · Central time
| ZIP code | 51561 |
|---|---|
| City | Pacific Junction |
| State | Iowa |
| County | Mills County |
| Population | 1,039 |
| Time zone | Central · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 56.14 sq mi |
| Center (lat, long) | 41.0051, -95.8096 |
Area codes in this area
These are the area codes that most often serve ZIP 51561 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Map
Nearby ZIP codes
About ZIP 51561
ZIP code 51561 is assigned to Pacific Junction, Iowa. It lies in Mills County. Its Census area covers about 56.14 square miles of land. The closest neighboring ZIP is 51534 (Glenwood), about 5.4 miles away.
Every address in 51561 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.
Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources