Boulder, CO ZIP Codes

Mailing address format for Boulder

John Smith
123 Main St
BOULDER CO 80310
USA

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

All ZIP codes in Boulder

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

Where is Boulder? Location, county and time zone

State

Colorado

County

Boulder County

GPS coordinates

40.02443, -105.25125

Elevation

5,430 ft (1,655 m)

Time zone

America/DenverMST · UTC-07:00

Population

108,250

Map of Boulder, CO 80310

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ZIP codes near Boulder

• Valmont, CO
  803012.5 mi
• Pine Brook Hill, CO
  803043.1 mi
• Seven Hills, CO
  803024.3 mi
• Paragon Estates, CO
  803034.6 mi
• Gunbarrel, CO
  803015.0 mi
• Tall Timber, CO
  803025.3 mi
• Eldorado Springs, CO
  803055.9 mi
• Lazy Acres, CO
  804556.1 mi
• Crisman, CO
  803026.5 mi
• Sunshine, CO
  804556.8 mi
• Niwot, CO
  805446.9 mi
• Louisville, CO
  800276.9 mi

Boulder ZIP code: FAQ