Area Code 303

Area Code 303 information.

Area Code 303 Details
Country	United States
State/Province	Colorado
Major City	Denver
Time Zone	Mountain (UTC-07:00)

Area Code 303 Prefixes

Prefix	County	Phone Type	Status
303-484	Arapahoe	Landline	Active
303-485	Boulder	Landline	Active
303-486	Denver	Landline	Active
303-487	Adams	Landline	Active
303-488	Denver	Landline	Active
303-489	Jefferson	Cell Number	Active
303-490	Jefferson	Cell Number	Active
303-491	Jefferson	Cell Number	Active
303-492	Jefferson	Landline	Active
303-493	Denver	Landline	Active
303-494	Jefferson	Landline	Active
303-495	Denver	Landline	Active
303-496	Jefferson	Landline	Active
303-497	Jefferson	Landline	Active
303-498	Adams	Landline	Active
303-499	Jefferson	Landline	Active
303-500	Weld	Landline	Active
303-501	Jefferson	Landline	Active
303-502	Weld	Cell Number	Active
303-503	Jefferson	Cell Number	Active

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