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
303-281	Denver	Landline	Active
303-282	Denver	Landline	Active
303-283	Arapahoe	Landline	Active
303-284	Jefferson	Landline	Active
303-285	Denver	Landline	Active
303-286	Denver	Landline	Active
303-287	Denver	Landline	Active
303-288	Denver	Landline	Active
303-289	Denver	Landline	Active
303-290	Denver	Landline	Active
303-291	Denver	Landline	Active
303-292	Denver	Landline	Active
303-293	Denver	Landline	Active
303-294	Denver	Landline	Active
303-295	Denver	Landline	Active
303-296	Denver	Landline	Active
303-297	Denver	Landline	Active
303-298	Denver	Landline	Active
303-299	Denver	Landline	Active
303-300	Denver	Landline	Active

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