Chatham, Illinois

1 ZIP code · Central time

ZIP codes (largest first)

62629 · 15,413
Population14,639
StateIllinois
CountySangamon County
Time zoneCentral
Land area7.41 sq mi

Area codes in this area

217447

These are the area codes that most often serve Chatham (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Find the ZIP+4 for an address in Chatham

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Population: U.S. Census Bureau, ACS 5-year estimates, 2024.