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303-704

You are reviewing the Area Code (NPA/NXX) report for 303-704. Did you mean to search the SMS short code 303704?

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Raw Number303704
Basic Format303-704
NPA (Area Code)303
NXX704

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
303-704-0XXX6567CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CODENVERAS11/10/2005DENVERCOWE12/12/2005
303-704-1XXX6567CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CODENVERAS11/10/2005DENVERCOWE12/12/2005
303-704-2XXX6567CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CODENVERAS11/10/2005DENVERCOWE12/12/2005
303-704-3XXX6567CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CODENVERAS11/10/2005DENVERCOWE12/12/2005
303-704-4XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCDENVERRTDENVERCOWE
303-704-5XXX6010NEW CINGULAR WIRELESS PCS, LLCDENVERAS08/29/2006DENVERCOWE09/24/2006
303-704-6XXX6567CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CODENVERAS09/27/2006DENVERCOWE11/22/2006
303-704-7XXX6010NEW CINGULAR WIRELESS PCS, LLCDENVERAS05/09/2006DENVERCOWE06/08/2006
303-704-8XXX6010NEW CINGULAR WIRELESS PCS, LLCDENVERAS05/09/2006DENVERCOWE06/08/2006
303-704-9XXX6567CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CODENVERAS09/27/2006DENVERCOWE11/22/2006
303-704-XXXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCDENVERASDENVERCO

Business/Government Phones on the 303-704 Prefix

PhoneNameAddress
303-704-2449Redrocks Roof and Solar LLC
303-704-6393Colorado Energy Windows Inc
303-704-6604Residential Remodeling LLC
303-704-4062The Ardent Grove Foundation300 South Jackson Street Denver 80209 US
303-704-6671Monaco Parkway Car Wash2230 South Monaco Parkway Denver 80222 US
303-704-6671Proluxe Auto Wash5450 East Evans Avenue Denver 80222 US

Reports

Anonymous User from Denver, Colorado

April 17, 2026 at 8:09 PM

303-704-4044 reported as a Robocall. Received on April 17, 2026 at 11:35 AM.

Anonymous User from Conway, Arkansas

January 16, 2026 at 4:18 PM

303-704-1422 reported as a Robocall. Received on January 16, 2026 at 3:02 PM.
Call for Home security & alarms

Anonymous User from Northglenn, Colorado

September 4, 2025 at 4:38 PM

303-704-9896 reported as a Live Voice or Other. Received on September 4, 2025 at 2:33 AM.

Anonymous User from , AL

May 15, 2025 at 11:15 AM

303-704-6034 reported as a Robocall. Received on May 15, 2025 at 12:00 AM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from , CO

March 20, 2024 at 6:26 PM

303-704-9706 reported as a unwanted call. Received on March 13, 2024 at 12:00 AM.
Call for No Subject Provided

Anonymous User from Decatur, Georgia

October 31, 2023 at 7:30 PM

303-704-4732 reported as a Robocall. Received on September 1, 2023 at 12:00 AM.
Call for Medical & prescriptions

Anonymous User from Littleton, Colorado

June 3, 2023 at 5:01 PM

303-704-8366 reported as a Robocall. Received on June 1, 2023 at 12:06 PM.
Call for Dropped call or no message

Anonymous User from Broomfield, Colorado

December 20, 2022 at 2:19 PM

303-704-4897 reported as a Robocall. Received on December 20, 2022 at 11:01 AM.

Anonymous User from Fort Mitchell, KY

March 12, 2021 at 7:22 PM

303-704-7256 reported as a Live Voice. Received on March 12, 2021 at 2:16 PM.
Unwanted call for unknown
Contacted via Wired

Anonymous User from Chunchula, AL

March 12, 2021 at 6:52 PM

None reported as a Live Voice. Received on March 12, 2021 at 12:06 PM.
Unwanted call for unknown
Caller ID indicated they called from 303-704-6770
Contacted via Internet (VOIP)

Anonymous User from Nampa, ID

March 10, 2021 at 10:24 PM

None reported as a Live Voice. Received on March 10, 2021 at 2:54 PM.
Unwanted call for unknown
Caller ID indicated they called from 303-704-6348
Contacted via Wired

Anonymous User from , FL

July 6, 2015 at 2:18 AM

reported as a Text Message. Received on June 17, 2015 at 12:50 AM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 303-704-9998
Contacted via Wireless (cell phone/other mobile device)

Most 'popular' numbers on this prefix:

303-704-1XXX: 303-704-1000 | 303-704-1001 | 303-704-1003 |
303-704-2XXX: 303-704-2400 | 303-704-2440 | 303-704-2445 | 303-704-2447 | 303-704-2491 |
303-704-3XXX: 303-704-3937 | 303-704-3939 | 303-704-3983 | 303-704-3991 | 303-704-3992 | 303-704-3993 |
303-704-4XXX: 303-704-4730 | 303-704-4734 | 303-704-4737 | 303-704-4887 | 303-704-4888 | 303-704-4889 | 303-704-4890 | 303-704-4895 | 303-704-4899 |
303-704-6XXX: 303-704-6020 | 303-704-6050 | 303-704-6053 | 303-704-6054 | 303-704-6060 | 303-704-6062 | 303-704-6332 | 303-704-6337 | 303-704-6340 | 303-704-6343 | 303-704-6345 | 303-704-6369 | 303-704-6500 | 303-704-6520 | 303-704-6521 | 303-704-6522 | 303-704-6550 | 303-704-6562 | 303-704-6600 | 303-704-6652 | 303-704-6656 | 303-704-6670 | 303-704-6677 | 303-704-6678 | 303-704-6770 | 303-704-6773 | 303-704-6777 | 303-704-6783 | 303-704-6787 |
303-704-7XXX: 303-704-7253 | 303-704-7255 | 303-704-7258 | 303-704-7272 | 303-704-7278 | 303-704-7279 |
303-704-8XXX: 303-704-8303 | 303-704-8360 | 303-704-8363 | 303-704-8365 | 303-704-8383 | 303-704-8387 |
303-704-9XXX: 303-704-9303 | 303-704-9390 | 303-704-9393 | 303-704-9399 | 303-704-9700 | 303-704-9705 | 303-704-9706 | 303-704-9707 | 303-704-9850 | 303-704-9855 | 303-704-9859 | 303-704-9900 | 303-704-9962 | 303-704-9990 | 303-704-9994 | 303-704-9999 |