Herndon, Virginia

5 ZIP codes · Eastern time

ZIP codes (largest first)

20171 · 51,28620170 · 43,86620172 (PO box)20192 (PO box)22095 (PO box)
Population24,672
StateVirginia
CountyFairfax County
Time zoneEastern
Land area4.29 sq mi

Area codes in this area

571703

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

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