Find the last 4 digits (ZIP+4) for an address in 51301

ZIP 51301, Spencer, IA is filled in. Just type the street address.

Addresses are checked through our secure proxy. Bot checks use Cloudflare Turnstile. Each device can run 5 live checks per day; repeats of the same address are free.

ZIP Code 51301 – Spencer, IA

Spencer, Iowa · Clay County · Central time

ZIP code51301
CitySpencer
StateIowa
CountyClay County
Population12,638
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area157.66 sq mi
Center (lat, long)43.1531, -95.1498

Area codes in this area

515641

These are the area codes that most often serve ZIP 51301 (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

51340 Fostoria · 6 mi51333 Dickens · 7.6 mi51338 Everly · 9.2 mi51357 Royal · 9.4 mi51343 Greenville · 9.4 mi51341 Gillett Grove · 10.9 mi51351 Milford · 11.3 mi51358 Ruthven · 13 mi

About ZIP 51301

ZIP code 51301 is assigned to Spencer, Iowa. It lies in Clay County. Its Census area covers about 157.66 square miles of land. The closest neighboring ZIP is 51340 (Fostoria), about 6 miles away.

Every address in 51301 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