Find the last 4 digits (ZIP+4) for an address in 62551

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ZIP Code 62551 – Niantic, IL

Niantic, Illinois · Macon County · Central time

ZIP code62551
CityNiantic
StateIllinois
CountyMacon County
Population820
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area26.19 sq mi
Center (lat, long)39.8541, -89.1559

Area codes in this area

217447

These are the area codes that most often serve ZIP 62551 (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

62537 Harristown · 3.3 mi62539 Illiopolis · 5 mi62522 Decatur · 6 mi62547 Mount Auburn · 7.4 mi62573 Warrensburg · 7.7 mi62543 Latham · 8.1 mi62514 Boody · 8.4 mi62513 Blue Mound · 9.2 mi

About ZIP 62551

ZIP code 62551 is assigned to Niantic, Illinois. It lies in Macon County. Its Census area covers about 26.19 square miles of land. The closest neighboring ZIP is 62537 (Harristown), about 3.3 miles away.

Every address in 62551 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