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303-335

You are reviewing the Area Code (NPA/NXX) report for 303-335. Did you mean to search the SMS short code 303335?

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Raw Number303335
Basic Format303-335
NPA (Area Code)303
NXX335

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
303-335-0XXX078FBANDWIDTH.COM CLEC, LLC - CODENVERAS08/31/2009DENVERCOWE09/28/2009
303-335-1XXX7378TELEPORT COMMUNICATIONS AMERICA, LLC - CODENVERAS09/17/2009DENVERCOWE10/19/2009
303-335-2XXX9636QWEST CORPORATIONDENVERRTDENVERCOWE
303-335-3XXX9636QWEST CORPORATIONDENVERRTDENVERCOWE
303-335-4XXX9636QWEST CORPORATIONDENVERRTDENVERCOWE
303-335-5XXX6567CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CODENVERAS10/06/2004DENVERCOWE10/18/2004
303-335-6XXX6567CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CODENVERAS10/06/2004DENVERCOWE10/18/2004
303-335-7XXX6567CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CODENVERAS09/14/2005DENVERCOWE09/26/2005
303-335-8XXX6567CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CODENVERAS09/14/2005DENVERCOWE09/26/2005
303-335-9XXX078FBANDWIDTH.COM CLEC, LLC - CODENVERAS08/31/2009DENVERCOWE09/28/2009
303-335-XXXX6567CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CODENVERASDENVERCO

Business/Government Phones on the 303-335 Prefix

PhoneNameAddress
303-335-02413T Insurance
303-335-0696Box State Surface Prep Limited LLC
303-335-5216PLMVirtual Notary Support Services
303-335-6097Lifetime Roof & Solar
303-335-6322A-CAN Home Improvements & Remodeling, LLC
303-335-7799Hometown Electrical Services Inc
303-335-7955Simple Website Services, LLC
303-335-9283L4H Trenching, LLC
303-335-9798Hopper's Garage Services
303-335-0030Coast2Coast Meal Prep1605 Park Street Castle Rock 80109 US
303-335-5772Starbucks246 Rainbow Drive Silverthorne 80498 US
303-335-9092PrimeHealth1600 Broadway Denver 80202 US

Reports

Anonymous User from , CO

April 21, 2026 at 2:58 PM

303-335-1181 reported as a unwanted call. Received on April 21, 2026 at 12:00 PM.

Anonymous User from , CA

February 13, 2026 at 3:51 PM

303-335-6772 reported as a Robocall. Received on February 13, 2026 at 12:44 PM.

Anonymous User from Loveland, Colorado

December 22, 2025 at 9:45 AM

303-335-7222 reported as a unwanted call. Received on December 22, 2025 at 7:15 AM.
Call for No Subject Provided

Anonymous User from , CO

December 10, 2025 at 2:55 PM

303-335-0834 reported as a Live Voice or Other. Received on December 10, 2025 at 12:52 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Denver, Colorado

September 30, 2025 at 4:28 PM

303-335-4096 reported as a Robocall. Received on September 30, 2025 at 2:27 PM.
Call for Medical & prescriptions

Anonymous User from Wilmington, Delaware

September 23, 2025 at 12:27 PM

303-335-6370 reported as a Robocall. Received on September 23, 2025 at 9:10 AM.

Anonymous User from Liberty, Missouri

August 8, 2025 at 4:30 PM

303-335-0323 reported as a Live Voice or Other. Received on July 14, 2025 at 3:48 PM.
Call for Lotteries, prizes & sweepstakes

Anonymous User from Louisville, Colorado

July 29, 2025 at 9:51 AM

303-335-4894 reported as a Robocall. Received on July 28, 2025 at 4:47 PM.

Anonymous User from Muskegon, Michigan

June 26, 2025 at 4:07 PM

303-335-0323 reported as a Live Voice or Other. Received on April 16, 2025 at 12:00 PM.
Call for Lotteries, prizes & sweepstakes

Anonymous User from Longmont, Colorado

May 9, 2025 at 12:52 PM

303-335-9561 reported as a Robocall. Received on May 9, 2025 at 10:47 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Longmont, Colorado

May 9, 2025 at 12:51 PM

303-335-9561 reported as a Robocall. Received on May 9, 2025 at 10:47 AM.
Call for Medical & prescriptions

Anonymous User from Longmont, Colorado

April 25, 2025 at 5:59 PM

303-335-4697 reported as a Live Voice or Other. Received on April 25, 2025 at 3:54 PM.
Call for Home improvement & cleaning

Anonymous User from , NH

March 26, 2025 at 11:24 AM

303-335-9746 reported as a Live Voice or Other. Received on March 26, 2025 at 11:18 AM.

Anonymous User from Harrisburg, North Carolina

February 25, 2025 at 1:59 PM

303-335-4001 reported as a Live Voice or Other. Received on February 25, 2025 at 12:00 AM.

Anonymous User from , CO

February 19, 2025 at 9:40 PM

303-335-1045 reported as a Robocall. Received on February 19, 2025 at 9:36 PM.

Anonymous User from , TX

January 15, 2025 at 3:40 PM

303-335-9591 reported as a Robocall. Received on December 2, 2024 at 7:18 PM.

Anonymous User from Evergreen, Colorado

December 3, 2024 at 8:19 PM

303-335-0629 reported as a Live Voice or Other. Received on October 30, 2024 at 9:01 AM.
Call for Dropped call or no message

Anonymous User from Morrison, Colorado

November 18, 2024 at 8:02 PM

303-335-9420 reported as a Robocall. Received on November 18, 2024 at 5:06 PM.

Anonymous User from , CO

September 20, 2024 at 7:19 PM

303-335-3734 reported as a Live Voice or Other. Received on September 20, 2024 at 5:14 AM.
Call for Dropped call or no message

Anonymous User from Littleton, Colorado

June 28, 2023 at 9:22 PM

303-335-5810 reported as a Live Voice or Other. Received on June 28, 2023 at 7:19 AM.

Anonymous User from Durango, Colorado

June 27, 2023 at 3:34 PM

303-335-2471 reported as a Live Voice or Other. Received on June 27, 2023 at 1:29 PM.

Anonymous User from Denver, Colorado

June 9, 2023 at 12:30 PM

303-335-8642 reported as a Live Voice or Other. Received on June 9, 2023 at 9:19 AM.
Call for Dropped call or no message

Anonymous User from , CO

May 17, 2023 at 8:40 AM

303-335-2423 reported as a Robocall. Received on May 17, 2023 at 12:00 AM.
Call for No Subject Provided

Anonymous User from , CO

May 13, 2023 at 10:15 AM

303-335-2423 reported as a Robocall. Received on May 13, 2023 at 12:00 AM.
Call for No Subject Provided

Anonymous User from Boulder, CO

September 7, 2022 at 3:53 AM

303-335-1045 reported as a Prerecorded Voice. Received on September 7, 2022 at 7:23 PM.
Unwanted call for Political Services
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Boulder, Colorado

September 6, 2022 at 11:43 PM

303-335-1045 reported as a Robocall. Received on September 6, 2022 at 7:23 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Highlands Ranch, CO

March 2, 2021 at 1:55 AM

303-335-1045 reported as a Prerecorded Voice. Received on March 2, 2021 at 6:35 PM.
Unwanted call for unknown
Caller ID indicated they called from 970-289-2733
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , CO

June 13, 2015 at 12:13 AM

reported as a Prerecorded Voice. Received on June 12, 2015 at 4:00 PM.
Robocall for unknown
Caller ID indicated they called from 303-335-8364
Contacted via Wired

Most 'popular' numbers on this prefix:

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303-335-9XXX: 303-335-9000 | 303-335-9001 | 303-335-9008 | 303-335-9090 | 303-335-9091 | 303-335-9099 | 303-335-9221 | 303-335-9226 | 303-335-9227 | 303-335-9229 | 303-335-9280 | 303-335-9288 | 303-335-9289 | 303-335-9300 | 303-335-9303 | 303-335-9310 | 303-335-9311 | 303-335-9315 | 303-335-9330 | 303-335-9400 | 303-335-9404 | 303-335-9409 | 303-335-9420 | 303-335-9422 | 303-335-9425 | 303-335-9500 | 303-335-9550 | 303-335-9590 | 303-335-9595 | 303-335-9599 | 303-335-9600 | 303-335-9606 | 303-335-9630 | 303-335-9640 | 303-335-9645 | 303-335-9648 | 303-335-9748 | 303-335-9779 | 303-335-9792 | 303-335-9793 | 303-335-9797 | 303-335-9800 | 303-335-9850 | 303-335-9855 | 303-335-9858 |