St. John, IN ZIP Codes

Mailing address format for St. John

John Smith
123 Main St
ST. JOHN IN 46373
USA

USPS prefers capital letters without punctuation. Check the exact ZIP+4 for a street address on the USPS website.

All ZIP codes in St. John

ZIP Code Tabulation Areas (ZCTA), U.S. Census Bureau. A ZCTA can cover parts of more than one town.

Where is St. John? Location, county and time zone

State

Indiana

County

Lake County

GPS coordinates

41.44182, -87.46778

Elevation

725 ft (221 m)

Time zone

America/ChicagoCST · UTC-06:00

Population

20,303

Map of St. John, IN 46373

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ZIP codes near St. John

• Schererville, IN
  46375, 463193.2 mi
• Willowbrook, IL
  463113.3 mi
• Plum Valley, IL
  463114.2 mi
• Dyer, IN
  463114.4 mi
• Cedar Lake, IN
  463035.0 mi
• Sauk Village, IL
  604116.3 mi
• Griffith, IN
  46319, 463226.4 mi
• Crown Point, IN
  463076.7 mi
• Eagle Lake, IL
  604016.7 mi
• Lynwood, IL
  604117.1 mi
• Highland, IN
  46322, 463217.3 mi
• Munster, IN
  46321, 463227.5 mi

St. John ZIP code: FAQ