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303-585

You are reviewing the Area Code (NPA/NXX) report for 303-585. Did you mean to search the SMS short code 303585?

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Raw Number303585
Basic Format303-585
NPA (Area Code)303
NXX585

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
303-585-0XXX6010NEW CINGULAR WIRELESS PCS, LLCDENVERAS02/28/2006DENVERCOWE03/26/2006
303-585-1XXX6010NEW CINGULAR WIRELESS PCS, LLCDENVERAS02/28/2006DENVERCOWE03/26/2006
303-585-2XXX9636QWEST CORPORATIONDENVERRTDENVERCOWE
303-585-3XXX9636QWEST CORPORATIONDENVERRTDENVERCOWE
303-585-4XXX9636QWEST CORPORATIONDENVERRTDENVERCOWE
303-585-5XXX9636QWEST CORPORATIONDENVERRTDENVERCOWE
303-585-6XXX9636QWEST CORPORATIONDENVERRTDENVERCOWE
303-585-7XXX9636QWEST CORPORATIONDENVERRTDENVERCOWE
303-585-8XXX9636QWEST CORPORATIONDENVERRTDENVERCOWE
303-585-9XXX9636QWEST CORPORATIONDENVERRTDENVERCOWE
303-585-XXXX9636QWEST CORPORATIONDENVERASDENVERCO

Business/Government Phones on the 303-585 Prefix

PhoneNameAddress
303-585-0132TTI - Todd Technologies Inc.US
303-585-0919Native Vibrations16 Mount Evans Boulevard Pine 80470 US

Reports

Anonymous User from Conway, Arkansas

April 13, 2026 at 3:00 PM

303-585-7340 reported as a Live Voice or Other. Received on April 13, 2026 at 1:29 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Longmont, CO

March 4, 2026 at 11:14 PM

303-585-6942 reported as a Prerecorded Voice. Received on March 4, 2026 at 4:07 PM.
Unwanted call for Medicare Medicaid Services
Contacted via Internet (VOIP)

Anonymous User from Longmont, Colorado

March 4, 2026 at 6:14 PM

303-585-6942 reported as a Robocall. Received on March 4, 2026 at 4:07 PM.
Call for Medical & prescriptions

Anonymous User from Longmont, Colorado

February 25, 2026 at 12:34 PM

303-585-3662 reported as a Robocall. Received on February 25, 2026 at 10:18 AM.
Call for Home security & alarms

Anonymous User from Longmont, Colorado

February 25, 2026 at 12:22 PM

303-585-3662 reported as a Robocall. Received on February 25, 2026 at 10:18 AM.
Call for Home security & alarms

Anonymous User from Co, Colorado

January 29, 2026 at 6:55 PM

303-585-8418 reported as a Robocall. Received on January 14, 2026 at 4:00 PM.
Call for Dropped call or no message

Anonymous User from Longmont, Colorado

December 3, 2025 at 3:22 PM

303-585-5869 reported as a Live Voice or Other. Received on December 3, 2025 at 1:19 PM.
Call for Warranties & protection plans

Anonymous User from Commerce City, Colorado

November 19, 2025 at 2:44 PM

303-585-9744 reported as a Robocall. Received on November 19, 2025 at 12:41 PM.
Call for Home security & alarms

Anonymous User from Denver, Colorado

April 23, 2025 at 12:57 PM

303-585-3505 reported as a Robocall. Received on April 22, 2025 at 4:38 PM.
Call for Energy, solar, & utilities

Anonymous User from Longmont, Colorado

March 24, 2025 at 6:01 PM

303-585-5043 reported as a Live Voice or Other. Received on March 24, 2025 at 3:58 PM.
Call for Energy, solar, & utilities

Anonymous User from Roseville, California

March 20, 2025 at 6:04 PM

303-585-3367 reported as a Robocall. Received on March 20, 2025 at 3:01 PM.
Call for Medical & prescriptions

Anonymous User from , CO

March 7, 2025 at 8:11 PM

303-585-3395 reported as a Robocall. Received on March 6, 2025 at 3:43 PM.
Call for No Subject Provided

Anonymous User from Englewood, CO

January 29, 2025 at 10:42 PM

303-585-3302 reported as a Live Voice. Received on January 29, 2025 at 8:00 AM.
Unwanted call for Medicare Medicaid Services
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Longmont, Colorado

January 6, 2025 at 2:04 PM

303-585-2292 reported as a Robocall. Received on January 6, 2025 at 11:49 AM.
Call for Medical & prescriptions

Anonymous User from , CO

December 2, 2024 at 7:09 PM

303-585-2315 reported as a Robocall. Received on December 2, 2024 at 9:08 AM.
Call for Medical & prescriptions

Anonymous User from King George, VA

July 25, 2024 at 9:57 PM

303-535-7622 reported as a Live Voice. Received on July 25, 2024 at 2:41 PM.
Unwanted call for Other Services
Caller ID indicated they called from 303-585-9622
Contacted via Wired

Anonymous User from Evergreen, Colorado

April 2, 2024 at 6:43 PM

303-585-2619 reported as a Live Voice or Other. Received on April 2, 2024 at 2:48 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Denver, Colorado

November 9, 2023 at 9:15 AM

303-585-5451 reported as a Live Voice or Other. Received on November 9, 2023 at 12:00 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Larkspur, Colorado

May 24, 2023 at 4:05 PM

303-585-8215 reported as a Robocall. Received on May 24, 2023 at 1:34 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , CO

November 3, 2022 at 7:14 PM

303-585-2161 reported as a Live Voice or Other. Received on November 3, 2022 at 8:48 AM.
Call for Dropped call or no message

Anonymous User from , CO

September 13, 2022 at 5:52 PM

303-585-2917 reported as a Robocall. Received on September 13, 2022 at 3:50 PM.
Call for Medical & prescriptions

Anonymous User from Denver, Colorado

September 12, 2022 at 4:38 PM

303-585-1989 reported as a Live Voice or Other. Received on September 12, 2022 at 2:22 PM.

Anonymous User from , CO

July 12, 2022 at 3:12 PM

303-585-4567 reported as a Live Voice or Other. Received on July 12, 2022 at 1:08 PM.

Most 'popular' numbers on this prefix:

303-585-0XXX: 303-585-0109 | 303-585-0110 | 303-585-0111 | 303-585-0116 | 303-585-0133 | 303-585-0139 |
303-585-1XXX: 303-585-1100 | 303-585-1111 | 303-585-1143 | 303-585-1144 | 303-585-1149 | 303-585-1983 | 303-585-1985 | 303-585-1988 | 303-585-1991 | 303-585-1997 | 303-585-1998 |
303-585-2XXX: 303-585-2160 | 303-585-2166 | 303-585-2168 | 303-585-2195 | 303-585-2197 | 303-585-2198 | 303-585-2300 | 303-585-2310 | 303-585-2311 | 303-585-2314 | 303-585-2345 | 303-585-2352 | 303-585-2600 | 303-585-2610 | 303-585-2611 | 303-585-2612 | 303-585-2650 | 303-585-2666 | 303-585-2900 | 303-585-2910 | 303-585-2911 | 303-585-2912 | 303-585-2992 | 303-585-2998 |
303-585-3XXX: 303-585-3300 | 303-585-3301 | 303-585-3303 | 303-585-3307 | 303-585-3330 | 303-585-3333 |
303-585-4XXX: 303-585-4500 | 303-585-4503 | 303-585-4545 | 303-585-4591 | 303-585-4592 | 303-585-4596 |
303-585-5XXX: 303-585-5000 | 303-585-5001 | 303-585-5040 | 303-585-5041 | 303-585-5045 | 303-585-5050 | 303-585-5400 | 303-585-5404 | 303-585-5440 | 303-585-5450 | 303-585-5455 |
303-585-6XXX: 303-585-6800 | 303-585-6801 | 303-585-6860 | 303-585-6865 | 303-585-6869 | 303-585-6888 | 303-585-6900 | 303-585-6940 | 303-585-6945 | 303-585-6950 | 303-585-6996 |
303-585-8XXX: 303-585-8200 | 303-585-8207 | 303-585-8210 | 303-585-8211 | 303-585-8212 | 303-585-8250 |
303-585-9XXX: 303-585-9600 | 303-585-9601 | 303-585-9620 | 303-585-9622 | 303-585-9625 | 303-585-9650 |