Area Code 303

Detailed information for Area Code 303
General Information for Area Code 303
Country United States
State/Province Colorado
Major City Denver
Time Zone Mountain (UTC-07:00)

Area Code 303 Prefixes

Prefix Primary City County Phone Type
303-394 Denver Denver Landline
303-395 Denver Jefferson Landline
303-396 Denver Jefferson Landline
303-397 Denver Jefferson Landline
303-398 Denver Denver Landline
303-399 Denver Denver Landline
303-400 Denver Jefferson Landline
303-401 Denver Jefferson Landline
303-402 Denver Jefferson Landline
303-403 Denver Jefferson Landline
303-404 Denver Adams Landline
303-405 Denver Denver Landline
303-406 Denver Denver Landline
303-407 Denver Denver Landline
303-408 Denver Denver Landline
303-409 Denver Denver Landline
303-410 Denver Adams Landline
303-412 Denver Adams Landline
303-413 Denver Jefferson Landline
303-414 Denver Denver Landline
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