Find the last 4 digits (ZIP+4) for an address in 62427

ZIP 62427, Flat Rock, IL is filled in. Just type the street address.

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ZIP Code 62427 – Flat Rock, IL

Flat Rock, Illinois · Crawford County · Central time

ZIP code62427
CityFlat Rock
StateIllinois
CountyCrawford CountyLawrence County
Population1,730
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area84.22 sq mi
Center (lat, long)38.8731, -87.6499

Area codes in this area

618730

These are the area codes that most often serve ZIP 62427 (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

62451 Palestine · 7.1 mi62439 Lawrenceville · 8.9 mi62454 Robinson · 10.3 mi47561 Oaktown · 11.4 mi62464 Stoy · 12.7 mi62417 Bridgeport · 13.3 mi47516 Bruceville · 14.3 mi47861 Merom · 14.5 mi

About ZIP 62427

ZIP code 62427 is assigned to Flat Rock, Illinois. It crosses 2 counties; most of its land is in Crawford County. Its Census area covers about 84.22 square miles of land. The closest neighboring ZIP is 62451 (Palestine), about 7.1 miles away.

Every address in 62427 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