303-999 PHONE NUMBERS DIRECTORY

To make looking up a phone number easier when you’re not sure about the last 4 digits, we grouped them below by hundreds.

(303) 999-xxxx Phone Numbers grouped by hundreds

00XX - 09XX
20XX - 29XX
30XX - 39XX
40XX - 49XX
Total Reported Spam Calls : 159
The 303-999-XXXX area code prefix is located in Denver, Colorado including Aurora, Golden and was originally put into service on February 4th 1994. Run a search and find out who's calling you now.

Recently Reported Numbers

(303) 999-7901Neutral

Called my cell and for once, they left a message! It was about my vehicle mileage and I should press 1 to be connected to a warranty specialist. Nope, I choose to block your number instead.

(303) 999-1619Neutral

Called my cell and left no message = BLOCKED.

(303) 999-7911Neutral

Called my cell and left no message. One of hundreds of calls from 303-999-____. Blocked.

(303) 999-1648Neutral

Called my cell less than a minute after 303-999-6045 and left no message. I will block it along with the hundred other 303-999-fill in the last four digits numbers......

(303) 999-6045Neutral

Called my cell and left no message = blocked number.

(303) 999-3433Neutral

Just another number you can block and ignore. Called my cell and left a cut off, recorded message about an extended warranty.

(303) 999-6998Dangerous

Called, left no message

(303) 999-9981Neutral

Robo call recording about extended vehicle warranty. Blocked

(303) 999-6122Neutral

Yet another 303-999-FILL IN THE BLANK caller. So many and they never leave a message when they call my cell. Blocked.

(303) 999-1590Neutral

Second call today from a 303-999-____ phone number to my cell. Hung up before voice mail kicked in. Blocked.

(303) 999-6614Neutral

Yet another spoofed 303-999-____ calling my cell and not leaving a message. Not important and now blocked.

(303) 999-9115Unknown

Recorded message saying "your call is important to us please stay on the line".

(303) 999-9115Unknown

Any ideas who calls from 303-999-9115?

(303) 999-4407Neutral

Called my cell and left no message = blocked number.

(303) 999-4407Neutral

Called my cell and left no message = blocked number.

(303) 999-7725Dangerous

Scam call leaving a partial voice mail about "press one now to complete the application process". I have applied for nothing lately. BLOCKED.

(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 Searched Numbers

No additional information reported for these searched numbers. Received a call from any phone number listed below? Please consider helping the community by reporting your experience.

303-999-6957
Report
Level 3 Communications
303-999-5152
Report
Qwest Corporation
303-999-5711
Report
Qwest Corporation
303-999-3786
Report
360networks (usa) Inc.
303-999-9702
Report
Cellco Partnership DBA Verizon Wireless
303-999-8952
Report
Qwest Corporation
303-999-3966
Report
Qwest Corporation
303-999-9545
Report
Qwest Corporation
303-999-3317
Report
Sprint Spectrum L.p.
303-999-3853
Report
Cellco Partnership DBA Verizon Wireless
303-999-8306
Report
Cellco Partnership DBA Verizon Wireless
303-999-4378
Report
New Cingular Wireless PCS
303-999-4487
Report
Bijou Telephone Cooperative Association
303-999-6600
Report
Qwest Corporation
303-999-2647
Report
Icg Telecom Group
303-999-8010
Report
UNKNOWN
303-999-6576
Report
New Cingular Wireless PCS
303-999-3046
Report
Comcast Phone Of Colorado

Most searched numbers

Cell
All TimeThis Month
303-999-4954First seen 2020-01-08303-999-2385First seen 2018-12-08
303-999-6727First seen 2011-02-11303-999-2017First seen 2012-08-08
303-999-7912First seen 2020-04-28303-999-2314First seen 2012-11-14
303-999-5915First seen 2017-04-20303-999-3297First seen 2019-03-07
303-999-2338First seen 2013-02-20303-999-7927First seen 2013-05-27
Landline
All TimeThis Month
303-999-8787First seen 2015-12-05303-999-6192First seen 2011-03-30
303-999-8843First seen 2014-09-14303-999-4256First seen 2012-07-26
303-999-2876First seen 2013-10-31303-999-8357First seen 2011-11-29
303-999-5443First seen 2014-11-30303-999-7619First seen 2010-03-23
303-999-3223First seen 2010-10-15303-999-5177First seen 2010-05-27

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