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303-874

You are reviewing the Area Code (NPA/NXX) report for 303-874. Did you mean to search the SMS short code 303874?

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Raw Number303874
Basic Format303-874
NPA (Area Code)303
NXX874

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
303-874-0XXX6010NEW CINGULAR WIRELESS PCS, LLCDENVERAS06/16/2022DENVERCOWE07/16/2022
303-874-1XXX6118LEVEL 3 COMMUNICATIONS, LLC - CODENVERRTDENVERCOWE
303-874-2XXX6118LEVEL 3 COMMUNICATIONS, LLC - CODENVERRTDENVERCOWE
303-874-3XXX6118LEVEL 3 COMMUNICATIONS, LLC - CODENVERRTDENVERCOWE
303-874-4XXX6010NEW CINGULAR WIRELESS PCS, LLCDENVERAS06/16/2022DENVERCOWE07/16/2022
303-874-5XXX6118LEVEL 3 COMMUNICATIONS, LLC - CODENVERRTDENVERCOWE
303-874-6XXX6118LEVEL 3 COMMUNICATIONS, LLC - CODENVERRTDENVERCOWE
303-874-7XXX6118LEVEL 3 COMMUNICATIONS, LLC - CODENVERRTDENVERCOWE
303-874-8XXX6567CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CODENVERAS04/19/2022DENVERCOWE05/19/2022
303-874-9XXX624HONVOY SPECTRUM, LLCDENVERAS04/19/2022DENVERCOWE05/13/2022
303-874-XXXX6118LEVEL 3 COMMUNICATIONS, LLC - CODENVERASDENVERCO

Business/Government Phones on the 303-874 Prefix

PhoneNameAddress
303-874-2500Arapahoe Kia9701 East Arapahoe Road Centennial 80112 US
303-874-7387VRCC Veterinary Specialty & Emergency Hospital3550 S Jason St Englewood 80110 US

Reports

Anonymous User from Littleton, Colorado

February 16, 2026 at 9:25 PM

303-874-1331 reported as a Robocall. Received on February 16, 2026 at 9:06 AM.
Call for Dropped call or no message

Anonymous User from Denver, Colorado

December 5, 2025 at 10:53 AM

303-874-1275 reported as a Robocall. Received on December 1, 2025 at 8:00 AM.

Anonymous User from Morrison, CO

November 26, 2025 at 6:21 PM

reported as a Live Voice. Received on November 26, 2025 at 11:15 PM.
Unwanted call for Legal Actions Services
Caller ID indicated they called from 303-874-2674
Contacted via Wired

Anonymous User from Commerce City, Colorado

November 18, 2025 at 11:02 AM

303-874-1310 reported as a Live Voice or Other. Received on November 18, 2025 at 8:49 AM.
Call for Warranties & protection plans

Anonymous User from Longmont, Colorado

September 15, 2025 at 8:22 PM

303-874-1449 reported as a Robocall. Received on September 15, 2025 at 4:54 PM.
Call for Home improvement & cleaning

Anonymous User from Lakewood, Colorado

July 31, 2025 at 2:56 PM

303-874-2369 reported as a Live Voice or Other. Received on July 31, 2025 at 12:00 AM.

Anonymous User from , CO

June 18, 2025 at 12:37 PM

303-874-5927 reported as a Robocall. Received on June 18, 2025 at 10:35 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , CO

April 25, 2025 at 11:17 AM

303-874-5587 reported as a Robocall. Received on April 23, 2025 at 12:07 PM.

Anonymous User from Canon City, CO

April 26, 2024 at 12:00 AM

303-874-5179 reported as a Live Voice. Received on April 25, 2024 at 5:53 PM.
Unwanted call for Other Services
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Canon City, CO

April 25, 2024 at 11:55 PM

303-874-5179 reported as a Live Voice. Received on April 25, 2024 at 5:49 PM.
Unwanted call for Solar Panels Services
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Aurora, Colorado

August 4, 2023 at 2:32 PM

303-874-9914 reported as a Live Voice or Other. Received on August 4, 2023 at 12:27 PM.
Call for Medical & prescriptions

Anonymous User from Denver, Colorado

July 4, 2023 at 10:26 AM

303-874-5341 reported as a Robocall. Received on July 4, 2023 at 7:50 AM.
Call for Energy, solar, & utilities

Anonymous User from Highlands Ranch, Colorado

June 6, 2023 at 3:10 PM

303-874-2971 reported as a Robocall. Received on June 6, 2023 at 1:09 PM.
Call for Energy, solar, & utilities

Anonymous User from , CO

January 14, 2023 at 11:52 AM

303-874-4313 reported as a unwanted call. Received on January 11, 2023 at 7:38 PM.

Anonymous User from , CO

January 14, 2023 at 11:51 AM

303-874-4313 reported as a unwanted call. Received on January 11, 2023 at 7:39 PM.

Anonymous User from San Antonio, Texas

January 12, 2023 at 10:49 AM

303-874-4889 reported as a Robocall. Received on January 12, 2023 at 9:03 AM.

Anonymous User from , CO

June 17, 2022 at 5:36 PM

303-874-0952 reported as a Robocall. Received on June 16, 2022 at 7:55 PM.
Call for Warranties & protection plans

Anonymous User from , CO

June 3, 2022 at 1:53 PM

303-874-5441 reported as a unwanted call. Received on June 3, 2022 at 12:00 AM.
Call for No Subject Provided

Anonymous User from Lyons, CO

September 28, 2021 at 7:51 PM

None reported as a Prerecorded Voice. Received on September 28, 2021 at 1:43 PM.
Unwanted call for computer_tech_support_services
Caller ID indicated they called from 303-874-3097
Contacted via Internet (VOIP)

Anonymous User from Payson, AZ

December 2, 2020 at 6:27 PM

303-874-5636 reported as a Prerecorded Voice. Received on December 2, 2020 at 11:10 AM.
Unwanted call for unknown
Contacted via Wired

Most 'popular' numbers on this prefix:

303-874-0XXX: 303-874-0900 | 303-874-0903 | 303-874-0907 | 303-874-0950 | 303-874-0951 | 303-874-0952 |
303-874-2XXX: 303-874-2600 | 303-874-2650 | 303-874-2666 | 303-874-2670 | 303-874-2675 | 303-874-2677 | 303-874-2900 | 303-874-2970 | 303-874-2975 | 303-874-2977 | 303-874-2992 | 303-874-2998 |
303-874-3XXX: 303-874-3000 | 303-874-3003 | 303-874-3007 | 303-874-3094 | 303-874-3096 | 303-874-3099 | 303-874-3300 | 303-874-3320 | 303-874-3322 | 303-874-3323 | 303-874-3330 | 303-874-3333 |
303-874-4XXX: 303-874-4303 | 303-874-4311 | 303-874-4314 | 303-874-4316 | 303-874-4353 | 303-874-4355 | 303-874-4800 | 303-874-4848 | 303-874-4883 | 303-874-4887 | 303-874-4888 | 303-874-4889 |
303-874-5XXX: 303-874-5141 | 303-874-5143 | 303-874-5147 | 303-874-5161 | 303-874-5166 | 303-874-5167 | 303-874-5168 | 303-874-5169 | 303-874-5170 | 303-874-5171 | 303-874-5178 | 303-874-5303 | 303-874-5340 | 303-874-5344 | 303-874-5345 | 303-874-5353 | 303-874-5358 | 303-874-5444 | 303-874-5445 | 303-874-5448 | 303-874-5476 | 303-874-5477 | 303-874-5499 | 303-874-5500 | 303-874-5550 | 303-874-5555 | 303-874-5580 | 303-874-5582 | 303-874-5588 | 303-874-5634 | 303-874-5635 | 303-874-5638 | 303-874-5666 | 303-874-5668 | 303-874-5676 |
303-874-8XXX: 303-874-8200 | 303-874-8207 | 303-874-8250 | 303-874-8260 | 303-874-8261 | 303-874-8262 | 303-874-8300 | 303-874-8303 | 303-874-8320 | 303-874-8350 | 303-874-8355 |
303-874-9XXX: 303-874-9900 | 303-874-9901 | 303-874-9910 | 303-874-9911 | 303-874-9918 | 303-874-9999 |