Find the last 4 digits (ZIP+4) for an address in 61531

ZIP 61531, Farmington, IL 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 61531 – Farmington, IL

Farmington, Illinois · Fulton County · Central time

ZIP code61531
CityFarmington
StateIllinois
CountyFulton CountyKnox CountyPeoria County
Population3,007
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area56.33 sq mi
Center (lat, long)40.6825, -90.0368

Area codes in this area

861

These are the area codes that most often serve ZIP 61531 (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

61553 Norris · 4.2 mi61432 Fairview · 6.5 mi61569 Trivoli · 7.1 mi61572 Yates City · 7.9 mi61529 Elmwood · 8.6 mi61520 Canton · 9.6 mi61458 Maquon · 10.3 mi61544 London Mills · 10.4 mi

About ZIP 61531

ZIP code 61531 is assigned to Farmington, Illinois. It crosses 3 counties; most of its land is in Fulton County. Its Census area covers about 56.33 square miles of land. The closest neighboring ZIP is 61553 (Norris), about 4.2 miles away.

Every address in 61531 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