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303 Area Code Prefixes

The 303 area code is located in Denver, Colorado including Aurora, Golden and was originally put into service on February 4th 1994. Find whose number this is.

Recently Reported Numbers

(303) 299-2397Dangerous

RTD- no message, hang up- call at dinner time !!!!- four calls !!DATE: TIME:2018-07-11 - 12:55 PM MST2018-07-12 - 19:04 PM MST2019-10-09 - 14:03 PM MST2019-10-10 - 19:31 PM MST

(303) 388-1282Unknown

No message

(303) 963-4870Unknown

Representative from Home Advisor.

(303) 478-2292Unknown

Called my unpublished home number.

(303) 299-2397Dangerous

You didn’t block this call but it Is an automated call that I want to have blocked

(303) 921-7114Unknown

Anybody else getting calls from 303-921-7114?

(303) 952-5730Neutral

Asked if I wanted to participate in a survey that takes less than 4 minutes. I declined and hung up.

(303) 727-1611Dangerous

Fake visa credit card center with zero interest offer from unidentified source.

(303) 727-6989Unknown

Left nothing on the answering machine.

(303) 999-3055Neutral

Called my cell and left a partial voice mail message to "press 5 now to speak to a warranty specialist". What?? I have not contacted nor set up any warranty lately. Blocked.

Recently Unidentified numbers

303 area code numbers that might be spam, scams or that people have reported as unidentified callers

303-693-4802Qwest Corporation
303-304-7345New Cingular Wireless PCS
303-234-6130Qwest Corporation
303-907-9940Cellco Partnership DBA Verizon Wireless
303-836-7093Communications Unlimited
303-909-4699Cellco Partnership DBA Verizon Wireless
303-280-5706Qwest Corporation
303-266-8079Usa Mobility Wireless
303-892-4513Qwest Corporation
303-266-9327Usa Mobility Wireless
303-663-9080Qwest Corporation
303-266-3582Usa Mobility Wireless
303-749-7112Teleport Communications America
303-358-5324Cellco Partnership DBA Verizon Wireless
303-767-9243Contact Paging Of Colorado
303-834-6002Cellco Partnership DBA Verizon Wireless
303-383-3869Qwest Corporation
303-749-5375Teleport Communications America
303-552-8348Global Crossing Local Services-co

Most searched numbers

Cell
All Time This Month
303-892-1604 First seen 2014-12-03 303-834-1536 First seen 2014-12-25
303-909-1287 First seen 2016-09-01 303-552-2766 First seen 2012-10-06
303-280-3470 First seen 2018-04-23 303-304-2495 First seen 2019-02-16
303-693-3099 First seen 2010-05-28 303-663-4632 First seen 2014-05-15
303-663-4632 First seen 2019-06-05 303-663-4632 First seen 2017-09-28
Landline
All Time This Month
303-280-6182 First seen 2015-07-17 303-663-6265 First seen 2017-10-09
303-266-3298 First seen 2012-06-18 303-892-6272 First seen 2010-03-13
303-280-6182 First seen 2018-04-26 303-892-6272 First seen 2018-02-24
303-663-6265 First seen 2015-12-12 303-280-6182 First seen 2019-08-24
303-187-9932 First seen 2010-10-29 303-383-5717 First seen 2018-05-19

Cities With coverage

CITY LIST
Allenspark
Aurora
Bennett
Brighton
Byers
Deer Trail
Denver
Englewood
Fort Lupton
Golden
Hudson
Idaho Springs
Keenesburg
Littleton
Longmont
Louisville
Lyons
Roggen
Sedalia
Strasburg