Round Rock, TX ZIP Codes

Mailing address format for Round Rock

John Smith
123 Main St
ROUND ROCK TX 78664
USA

USPS prefers capital letters without punctuation. Check the exact ZIP+4 for a street address on the USPS website.

All ZIP codes in Round Rock

ZIP Code Tabulation Areas (ZCTA), U.S. Census Bureau. A ZCTA can cover parts of more than one town.

Where is Round Rock? Location, county and time zone

State

Texas

County

Williamson County

GPS coordinates

30.52677, -97.66008

Elevation

735 ft (224 m)

Time zone

America/ChicagoCST · UTC-06:00

Population

119,468

Map of Round Rock, TX 78664

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Round Rock Street View

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ZIP codes near Round Rock

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• Pflugerville, TX
  786606.5 mi
• Hutto, TX
  786347.0 mi
• Cedar Park, TX
  786139.5 mi
• Georgetown, TX
  78628, 7862610.0 mi
• Weir, TX
  7867411.1 mi
• Leander, TX
  7864112.5 mi
• Serenada, TX
  7863313.0 mi
• Manor, TX
  7865313.4 mi
• Santa Rita Ranch, TX
  7862813.9 mi
• Taylor, TX
  7657414.0 mi

Round Rock ZIP code: FAQ