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
303-383	Denver	Landline	Active
303-384	Jefferson	Landline	Active
303-385	Denver	Landline	Active
303-386	Denver	Landline	Active
303-387	Denver	Landline	Active
303-388	Denver	Landline	Active
303-389	Denver	Landline	Active
303-390	Denver	Landline	Active
303-391	Denver	Landline	Active
303-392	Jefferson	Cell Number	Active
303-393	Denver	Landline	Active
303-394	Denver	Landline	Active
303-395	Jefferson	Landline	Active
303-396	Jefferson	Landline	Active
303-397	Jefferson	Landline	Active
303-398	Denver	Landline	Active
303-399	Denver	Landline	Active
303-400	Jefferson	Landline	Active
303-401	Jefferson	Landline	Active
303-402	Jefferson	Landline	Active

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