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303-428

You are reviewing the Area Code (NPA/NXX) report for 303-428. Did you mean to search the SMS short code 303428?

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Examples: 206-739-5800, 206, 206-739, 48369
Raw Number303428
Basic Format303-428
NPA (Area Code)303
NXX428

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeCityState
303-428-XXXX9636QWEST CORPORATIONDENVERASDENVERCO

Business/Government Phones on the 303-428 Prefix

PhoneNameAddress
303-428-1212Alpine Communications, Inc.
303-428-6800Complete Container Services
303-428-8550Wes-Tec Builders
303-428-9242Joe's Towing & Recovery
303-428-1914Chiropractic Works North20 West 84th Avenue Thornton 80260 US
303-428-2300Orchard Park Academy7395 Zuni Street Westminster 80221 US
303-428-2584Luceros Tavern9031 N;9031 Harlan Street Westminster 80031 US
303-428-2727The Vintage at Hyland Hills4901 West 93rd Avenue Westminster 80030 US
303-428-3594Holy Trinity Catholic Church7595 Federal Boulevard Westminster 80030 US
303-428-3594Our Lady of the Valley Catholic Church2531 West 65th Place Denver 80221 US
303-428-43337-Eleven7540 Pecos Street Denver 80221 US
303-428-4455Starbucks7221 Sheridan Boulevard Westminster 80003 US
303-428-5118Legacy Nails5000 West 92nd Avenue Westminster 80031 US
303-428-5243Taco Bell7221 Pecos Street Twin Lakes 80221 US
303-428-5330McDonald's5770 West 88th Avenue Westminster 80030-3030 US
303-428-6500Sportsman's Warehouse11 West 84th Avenue Thornton 80260 US
303-428-6566AC Transmission6780 Federal Boulevard Denver 80221 US
303-428-6881Wendy's7397 Federal Boulevard Westminster 80030 US
303-428-7301Denny's7201 Sheridan Boulevard Westminster 80003 US
303-428-7491McDonald's5155 West 72nd Westminster 80030-5137 US
303-428-8576Jack LeProwse, P.C.7390 Lowell Boulevard Westminster 80030 US
303-428-8578Jack LeProwse, P.C.7390 Lowell Boulevard Westminster 80030 US
303-428-9540Kaleidoscope Painting3371 West 96th Avenue Westminster 80031 US

Reports

Anonymous User from Longmont, Colorado

April 23, 2026 at 2:18 PM

303-428-0425 reported as a Robocall. Received on April 23, 2026 at 11:45 AM.
Call for Warranties & protection plans

Anonymous User from Longmont, CO

March 27, 2026 at 5:26 PM

303-428-7008 reported as a Prerecorded Voice. Received on March 27, 2026 at 11:11 AM.
Unwanted call for Legal Actions Services
Contacted via Internet (VOIP)

Anonymous User from Saint Petersburg, Colorado

March 17, 2026 at 5:18 PM

303-428-9607 reported as a Live Voice or Other. Received on March 17, 2026 at 3:59 PM.

Anonymous User from Arvada, Colorado

March 16, 2026 at 4:52 PM

303-428-3641 reported as a Robocall. Received on March 16, 2026 at 11:24 AM.
Call for Dropped call or no message

Anonymous User from Littleton, Colorado

February 26, 2026 at 4:39 PM

303-428-4205 reported as a Robocall. Received on February 26, 2026 at 2:35 PM.

Anonymous User from , CO

January 28, 2026 at 10:20 AM

303-428-2480 reported as a Robocall. Received on January 28, 2026 at 8:18 AM.

Anonymous User from Commerce City, Colorado

November 18, 2025 at 12:57 PM

303-428-3080 reported as a Robocall. Received on November 18, 2025 at 10:54 AM.
Call for Warranties & protection plans

Anonymous User from Louisville, Colorado

September 4, 2025 at 11:04 AM

303-428-0116 reported as a Live Voice or Other. Received on September 4, 2025 at 9:00 AM.
Call for Dropped call or no message

Anonymous User from , CO

August 15, 2025 at 12:38 PM

303-428-2281 reported as a Live Voice or Other. Received on August 15, 2025 at 10:22 AM.

Anonymous User from Evergreen, Colorado

May 19, 2025 at 5:31 PM

303-428-3125 reported as a Live Voice or Other. Received on May 19, 2025 at 3:24 PM.
Call for Dropped call or no message

Anonymous User from , CO

May 6, 2025 at 1:32 PM

303-428-9607 reported as a Robocall. Received on May 6, 2025 at 11:30 AM.
Call for Medical & prescriptions

Anonymous User from Longmont, Colorado

April 25, 2025 at 7:32 PM

303-428-5798 reported as a Robocall. Received on April 25, 2025 at 3:41 PM.
Call for Home improvement & cleaning

Anonymous User from El Paso, Texas

April 25, 2025 at 6:17 PM

303-428-5448 reported as a Live Voice or Other. Received on April 25, 2025 at 3:35 PM.

Anonymous User from Evergreen, Colorado

April 7, 2025 at 5:43 PM

303-428-5358 reported as a Live Voice or Other. Received on March 12, 2025 at 10:54 AM.
Call for Dropped call or no message

Anonymous User from Niwot, Colorado

March 18, 2025 at 11:37 AM

303-428-6868 reported as a Robocall. Received on March 18, 2025 at 9:02 AM.

Anonymous User from Littleton, Colorado

March 6, 2025 at 6:15 PM

303-428-2685 reported as a Robocall. Received on March 6, 2025 at 8:09 AM.

Anonymous User from Denver, Colorado

February 11, 2025 at 4:41 PM

303-428-0468 reported as a Robocall. Received on February 11, 2025 at 1:52 PM.
Call for Medical & prescriptions

Anonymous User from , CO

November 30, 2024 at 7:24 PM

303-428-8575 reported as a Live Voice or Other. Received on November 30, 2024 at 5:14 PM.
Call for No Subject Provided

Anonymous User from Arvada, Colorado

June 25, 2024 at 4:30 PM

303-428-0400 reported as a Robocall. Received on June 25, 2024 at 1:51 PM.
Call for Dropped call or no message

Anonymous User from , CO

June 11, 2024 at 12:49 PM

303-428-9786 reported as a Live Voice or Other. Received on June 11, 2024 at 10:17 AM.
Call for No Subject Provided

Anonymous User from , CO

April 2, 2024 at 5:07 PM

303-428-2045 reported as a Live Voice or Other. Received on April 2, 2024 at 3:03 PM.
Call for Energy, solar, & utilities

Anonymous User from , CO

February 20, 2024 at 5:00 PM

303-428-0266 reported as a Live Voice or Other. Received on February 20, 2024 at 2:58 PM.
Call for Home improvement & cleaning

Anonymous User from Aurora, Colorado

February 8, 2024 at 2:45 PM

303-428-8469 reported as a Robocall. Received on February 8, 2024 at 12:23 PM.
Call for Medical & prescriptions

Anonymous User from Evergreen, Colorado

February 7, 2024 at 7:44 PM

303-428-0199 reported as a Live Voice or Other. Received on January 16, 2024 at 3:58 PM.
Call for Dropped call or no message

Anonymous User from Evergreen, Colorado

December 14, 2023 at 6:32 PM

303-428-7075 reported as a Live Voice or Other. Received on December 11, 2023 at 3:39 PM.
Call for Dropped call or no message

Anonymous User from , CO

May 18, 2023 at 7:03 PM

303-428-8235 reported as a Robocall. Received on May 18, 2023 at 9:12 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Vernon, Colorado

November 18, 2022 at 12:00 PM

303-428-0879 reported as a unwanted call. Received on November 17, 2022 at 8:36 AM.

Anonymous User from , CO

September 2, 2022 at 11:53 AM

303-428-9140 reported as a Robocall. Received on August 29, 2022 at 4:44 PM.
Call for Dropped call or no message

Anonymous User from , CO

August 10, 2022 at 9:51 PM

303-428-0815 reported as a Live Voice or Other. Received on August 3, 2022 at 10:30 AM.

Anonymous User from Arvada, Colorado

August 8, 2022 at 4:13 PM

303-428-4232 reported as a Robocall. Received on August 8, 2022 at 1:59 PM.
Call for Medical & prescriptions

Anonymous User from , CO

August 3, 2022 at 12:37 PM

303-428-0815 reported as a Robocall. Received on August 3, 2022 at 10:30 AM.
Call for Warranties & protection plans

Anonymous User from , CO

June 9, 2022 at 4:42 PM

303-428-8853 reported as a Robocall. Received on June 9, 2022 at 12:00 AM.
Call for No Subject Provided

Anonymous User from San Antonio, TX

June 4, 2021 at 7:59 PM

None reported as a Abandoned Calls. Received on June 4, 2021 at 2:50 PM.
Unwanted call for unknown
Caller ID indicated they called from 303-428-4252
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Lakewood, CO

April 28, 2021 at 5:19 PM

None reported as a Prerecorded Voice. Received on April 28, 2021 at 9:12 AM.
Unwanted call for unknown
Caller ID indicated they called from 303-428-9347
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , CO

December 1, 2015 at 4:31 AM

800-345-7439 reported as a Live Voice. Received on November 25, 2015 at 4:03 PM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 303-428-5600
Contacted via Wired

Anonymous User from , CO

August 24, 2015 at 2:45 AM

303-428-4654 reported as a Live Voice. Received on August 23, 2015 at 2:51 PM.
Telemarketing (including do not call and spoofing) for unknown
Contacted via Wired

Anonymous User from , CO

August 24, 2015 at 2:45 AM

303-428-4654 reported as a Live Voice. Received on August 23, 2015 at 2:51 PM.
Telemarketing (including do not call and spoofing) for unknown
Contacted via Wired

Anonymous User from , CO

July 14, 2015 at 10:43 PM

reported as a Live Voice. Received on July 14, 2015 at 3:33 PM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 303-428-5600
Contacted via Wireless (cell phone/other mobile device)

Most 'popular' numbers on this prefix:

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