Area code 303

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General Info

Area code 303 is in Colorado (CO). Popular cities using area code 303 are Denver, Aurora, Lakewood, see full list here

The timezone within area code 303 is (America/Denver). The current time is 19:09:28

Popular zip codes include 80013(Aurora), 80219(Denver), 80134(Parker), see full list here

Area code 303 Map

Here is the full area code map for state Colorado


Popular Cities

City Name State Population Percent of area code in city Percent of city in area code
Denver Colorado 600158 2 100
Aurora Colorado 325078 2 100
Lakewood Colorado 142980 1 100
Thornton Colorado 118772 1 100
Arvada Colorado 106433 1 100
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Popular Zip Codes

Zip Code Primary City County State Timezone Population Housing Count
80013 Aurora Arapahoe County Colorado America/Denver 69588 26047
80219 Denver Denver County Colorado America/Denver 61296 20448
80134 Parker Douglas County Colorado America/Denver 55075 20452
80229 Denver Adams County Colorado America/Denver 49598 18023
80011 Aurora Arapahoe County Colorado America/Denver 47461 17531
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