Find the last 4 digits (ZIP+4) for an address in 62002

ZIP 62002, Alton, IL is filled in. Just type the street address.

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ZIP Code 62002 – Alton, IL

Alton, Illinois · Madison County · Central time

ZIP code62002
CityAlton
StateIllinois
CountyMadison CountyMacoupin County
Population29,543
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area41.28 sq mi
Center (lat, long)38.9392, -90.1349

Area codes in this area

618730

These are the area codes that most often serve ZIP 62002 (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

62018 Cottage Hills · 3.3 mi62024 East Alton · 4.6 mi62010 Bethalto · 4.9 mi62035 Godfrey · 5.9 mi62095 Wood River · 6.2 mi63386 West Alton · 6.6 mi62012 Brighton · 7.3 mi62084 Roxana · 7.8 mi

About ZIP 62002

ZIP code 62002 is assigned to Alton, Illinois. It crosses 2 counties; most of its land is in Madison County. Its Census area covers about 41.28 square miles of land. The closest neighboring ZIP is 62018 (Cottage Hills), about 3.3 miles away.

Every address in 62002 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