Maple Valley, Washington

1 ZIP code · Pacific time

ZIP codes (largest first)

98038 · 37,324
Population28,287
StateWashington
CountyKing County
Time zonePacific
Land area6 sq mi

Area codes in this area

253

These are the area codes that most often serve Maple Valley (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 Maple Valley

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