Pekin, Illinois

3 ZIP codes · Central time

ZIP codes (largest first)

61554 · 40,57761555 (PO box)61558 (PO box)
Population31,781
StateIllinois
CountyTazewell County
Time zoneCentral
Land area15.72 sq mi

Area codes in this area

861

These are the area codes that most often serve Pekin (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 Pekin

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