Find the last 4 digits (ZIP+4) for an address in 62258

ZIP 62258, Mascoutah, IL is filled in. Just type the street address.

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ZIP Code 62258 – Mascoutah, IL

Mascoutah, Illinois · St. Clair County · Central time

ZIP code62258
CityMascoutah
StateIllinois
CountySt. Clair County
Population10,437
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area75.38 sq mi
Center (lat, long)38.4609, -89.7821

Area codes in this area

618730

These are the area codes that most often serve ZIP 62258 (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

62265 New Baden · 6.3 mi62243 Freeburg · 6.5 mi62225 Scott Air Force Base · 6.8 mi62266 New Memphis · 6.9 mi62221 Belleville · 7.3 mi62282 Saint Libory · 8.1 mi62289 Summerfield · 9.6 mi62255 Lenzburg · 10.2 mi

About ZIP 62258

ZIP code 62258 is assigned to Mascoutah, Illinois. It lies in St. Clair County. Its Census area covers about 75.38 square miles of land. The closest neighboring ZIP is 62265 (New Baden), about 6.3 miles away.

Every address in 62258 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