East Saint Louis, IL ZIP Codes, Area Codes and Address Format

City guides  |  May 23, 2026  |  2 min read

This guide covers East Saint Louis, IL: its ZIP codes, area codes, county and time zone, with sample addresses you can copy for testing.

State

Illinois (IL)

County

St. Clair County

Standard ZIP codes

6

Time zone

Central

East Saint Louis ZIP codes

These are the standard delivery ZIP codes for East Saint Louis. The city has 7 ZIP codes in total when PO Box and unique codes are included.

• 62201
• 62203
• 62204
• 62205
• 62206
• 62207

Area codes in East Saint Louis

East Saint Louis phone numbers use 618. A single area code keeps local numbers easy to recognize.

Sample East Saint Louis addresses

The street lines are invented; the city, state and ZIP codes are real. Use them for form testing, mockups and training materials, never for real orders.

How to write an address in East Saint Louis

• End the address with EAST SAINT LOUIS, IL and the five-digit ZIP code.
• Put apartment or suite numbers at the end of the street line.
• Use USPS abbreviations such as ST, AVE and BLVD.
• Match the ZIP code to the street. East Saint Louis has 6 codes, so the city name alone is not enough.

Other cities in St. Clair County

Belleville

More Illinois cities

Champaign, Chicago, Peoria, Elgin, Springfield, or see all Illinois cities.