Hazelwood, Missouri

1 ZIP code · Central time

ZIP codes (largest first)

63042 · 17,813
Population25,114
StateMissouri
CountySt. Louis County
Time zoneCentral
Land area16.04 sq mi

Area codes in this area

314557

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

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