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303-939

You are reviewing the Area Code (NPA/NXX) report for 303-939. Did you mean to search the SMS short code 303939?

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Examples: 206-739-5800, 206, 206-739, 48369
Raw Number303939
Basic Format303-939
NPA (Area Code)303
NXX939

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeState
303-939-XXXX9636QWEST CORPORATIONDENVERASCO

Business/Government Phones on the 303-939 Prefix

PhoneNameAddress
303-939-9323Fair Winds Hot Air Balloon Flights
303-939-8355The Lighthouse1201 Pearl Street Mall Boulder 80302 US
303-939-8805Circle K1480 Canyon Boulevard Boulder 80302 US
303-939-8805Circle K1480 Canyon Boulevard Boulder 80302 US

Reports

Anonymous User from Frederick, Colorado

March 31, 2026 at 12:54 PM

303-939-0104 reported as a unwanted call. Received on March 30, 2026 at 10:02 AM.

Anonymous User from Longmont, CO

March 23, 2026 at 4:56 PM

303-939-6307 reported as a Live Voice. Received on March 23, 2026 at 10:47 AM.
Unwanted call for Home Improvement Services
Contacted via Internet (VOIP)

Anonymous User from Longmont, Colorado

March 23, 2026 at 12:56 PM

303-939-6307 reported as a Live Voice or Other. Received on March 23, 2026 at 10:47 AM.
Call for Home improvement & cleaning

Anonymous User from Thorton, Colorado

January 22, 2026 at 12:06 PM

303-939-9235 reported as a Robocall. Received on January 22, 2026 at 10:00 AM.
Call for Medical & prescriptions

Anonymous User from Littleton, Colorado

September 5, 2025 at 2:00 AM

303-939-9317 reported as a Live Voice or Other. Received on September 4, 2025 at 9:57 AM.
Call for Home improvement & cleaning

Anonymous User from Longmont, Colorado

March 24, 2025 at 4:30 PM

303-939-0450 reported as a Robocall. Received on March 24, 2025 at 2:27 PM.
Call for Energy, solar, & utilities

Anonymous User from Aurora, Colorado

November 22, 2023 at 3:04 PM

303-939-0803 reported as a Live Voice or Other. Received on November 22, 2023 at 1:03 PM.
Call for Medical & prescriptions

Anonymous User from Gloucester, Virginia

October 3, 2023 at 12:32 PM

303-939-4734 reported as a Live Voice or Other. Received on October 3, 2023 at 10:15 AM.

Anonymous User from Aurora, Colorado

June 9, 2023 at 2:51 PM

303-939-9645 reported as a Robocall. Received on June 8, 2023 at 12:34 PM.

Anonymous User from Longmont, CO

May 2, 2023 at 2:08 PM

None reported as a Prerecorded Voice. Received on May 2, 2023 at 7:46 AM.
Unwanted call for unknown
Caller ID indicated they called from 303-939-8578
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from East New Market, Maryland

January 30, 2023 at 2:46 PM

303-939-6668 reported as a Robocall. Received on January 30, 2023 at 1:57 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Denver, Colorado

June 22, 2022 at 9:39 PM

303-939-3348 reported as a unwanted call. Received on June 22, 2022 at 3:46 PM.
Call for Dropped call or no message

Anonymous User from Denver, CO

February 15, 2022 at 7:25 PM

None reported as a Prerecorded Voice. Received on February 15, 2022 at 12:16 PM.
Unwanted call for Solar Panels Services
Caller ID indicated they called from 303-939-8232
Contacted via Wireless (cell phone/other mobile device)

Most 'popular' numbers on this prefix:

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303-939-9XXX: 303-939-9309 | 303-939-9333 | 303-939-9337 | 303-939-9339 | 303-939-9393 | 303-939-9398 | 303-939-9600 | 303-939-9601 | 303-939-9640 | 303-939-9645 | 303-939-9649 | 303-939-9660 | 303-939-9900 | 303-939-9962 | 303-939-9990 | 303-939-9993 | 303-939-9999 |