You are reviewing the Area Code (NPA/NXX) report for 303-639. Did you mean to search the SMS short code 303639?
North American Phone Intelligence
Search a phone number, area code, exchange, or short code
Paste raw digits, a formatted phone number, an area code, an NPA-NXX block, or a short code. US and Canada phone lookups route automatically, and international iMessage checks are available separately.
303-639-5073 reported as a Live Voice. Received on March 25, 2026 at 1:58 PM. Unwanted call for Medicare Medicaid Services Contacted via Internet (VOIP)
Anonymous User from Longmont, Colorado
March 25, 2026 at 4:19 PM
303-639-5073 reported as a Live Voice or Other. Received on March 25, 2026 at 1:58 PM. Call for Medical & prescriptions
Anonymous User from Littleton, Colorado
February 26, 2026 at 5:03 PM
303-639-9337 reported as a Robocall. Received on February 26, 2026 at 2:56 AM.
Anonymous User from , CO
February 26, 2026 at 11:45 AM
303-639-9613 reported as a Robocall. Received on February 24, 2026 at 4:00 PM.
Anonymous User from Centennial, Colorado
February 5, 2026 at 6:05 PM
303-639-0623 reported as a Live Voice or Other. Received on February 5, 2026 at 3:59 PM. Call for Calls pretending to be government, businesses, or family and friends
Anonymous User from Firestone, Colorado
November 15, 2025 at 1:10 PM
303-639-8046 reported as a Robocall. Received on November 14, 2025 at 9:58 AM. Call for Calls pretending to be government, businesses, or family and friends
Anonymous User from Milliken, Colorado
September 25, 2025 at 12:12 PM
303-639-1589 reported as a Robocall. Received on September 25, 2025 at 10:09 AM. Call for Home improvement & cleaning
Anonymous User from Denver, Colorado
June 5, 2025 at 11:38 AM
303-639-7953 reported as a Robocall. Received on May 22, 2025 at 11:35 PM. Call for Reducing your debt (credit cards, mortgage, student loans)
Anonymous User from Littleton, Colorado
April 29, 2025 at 5:37 PM
303-639-9846 reported as a Robocall. Received on April 29, 2025 at 3:32 PM. Call for Dropped call or no message
Anonymous User from Templeton, CA
February 18, 2025 at 9:52 PM
reported as a Prerecorded Voice. Received on February 18, 2025 at 1:25 PM. Unwanted call for Medicare Medicaid Services Caller ID indicated they called from 303-639-2898 Contacted via Wireless (cell phone/other mobile device)
Anonymous User from Aurora, Colorado
September 23, 2024 at 2:09 PM
303-639-9919 reported as a Robocall. Received on September 23, 2024 at 11:58 AM. Call for Calls pretending to be government, businesses, or family and friends
Anonymous User from Longmont, Colorado
May 10, 2024 at 12:17 PM
303-639-1101 reported as a Robocall. Received on May 10, 2024 at 10:13 AM. Call for Medical & prescriptions
Anonymous User from , CO
March 19, 2024 at 11:43 AM
303-639-1259 reported as a Live Voice or Other. Received on March 19, 2024 at 12:00 AM. Call for Home improvement & cleaning
Anonymous User from Madison Hts, Virginia
February 21, 2024 at 6:02 PM
303-639-4600 reported as a Robocall. Received on January 12, 2024 at 12:04 PM.
Anonymous User from Gloucester, Virginia
October 21, 2023 at 9:40 AM
303-639-0468 reported as a Live Voice or Other. Received on October 20, 2023 at 1:11 PM.
Anonymous User from , CO
June 5, 2023 at 7:26 PM
303-639-8654 reported as a unwanted call. Received on June 3, 2023 at 1:10 PM.
Anonymous User from , CO
June 1, 2023 at 6:29 PM
303-639-0264 reported as a Live Voice or Other. Received on May 31, 2023 at 11:43 AM. Call for No Subject Provided
Anonymous User from Golden, Colorado
August 1, 2022 at 5:19 PM
303-639-6184 reported as a Robocall. Received on July 20, 2022 at 3:23 PM. Call for Warranties & protection plans
Anonymous User from Fort Collins, Colorado
June 16, 2022 at 8:00 PM
303-639-3863 reported as a Robocall. Received on June 16, 2022 at 6:00 PM. Call for Vacation & timeshares
Anonymous User from Spring, TX
June 29, 2021 at 3:42 PM
303-639-5609 reported as a Abandoned Calls. Received on June 29, 2021 at 10:30 AM. Unwanted call for unknown Contacted via Wireless (cell phone/other mobile device)
Anonymous User from , CO
January 24, 2015 at 12:25 AM
reported as a Prerecorded Voice. Received on January 23, 2015 at 3:59 PM. Telemarketing (including do not call and spoofing) for unknown Caller ID indicated they called from 303-639-9525 Contacted via Wired
Anonymous User from , CO
December 4, 2014 at 7:00 PM
reported as a Prerecorded Voice. Received on December 4, 2014 at 10:09 AM. Telemarketing (including do not call and spoofing) for unknown Caller ID indicated they called from 303-639-9525 Contacted via Wired
Reports
Anonymous User from Longmont, CO
March 25, 2026 at 8:19 PM
Anonymous User from Longmont, Colorado
March 25, 2026 at 4:19 PM
Anonymous User from Littleton, Colorado
February 26, 2026 at 5:03 PM
Anonymous User from , CO
February 26, 2026 at 11:45 AM
Anonymous User from Centennial, Colorado
February 5, 2026 at 6:05 PM
Anonymous User from Firestone, Colorado
November 15, 2025 at 1:10 PM
Anonymous User from Milliken, Colorado
September 25, 2025 at 12:12 PM
Anonymous User from Denver, Colorado
June 5, 2025 at 11:38 AM
Anonymous User from Littleton, Colorado
April 29, 2025 at 5:37 PM
Anonymous User from Templeton, CA
February 18, 2025 at 9:52 PM
Anonymous User from Aurora, Colorado
September 23, 2024 at 2:09 PM
Anonymous User from Longmont, Colorado
May 10, 2024 at 12:17 PM
Anonymous User from , CO
March 19, 2024 at 11:43 AM
Anonymous User from Madison Hts, Virginia
February 21, 2024 at 6:02 PM
Anonymous User from Gloucester, Virginia
October 21, 2023 at 9:40 AM
Anonymous User from , CO
June 5, 2023 at 7:26 PM
Anonymous User from , CO
June 1, 2023 at 6:29 PM
Anonymous User from Golden, Colorado
August 1, 2022 at 5:19 PM
Anonymous User from Fort Collins, Colorado
June 16, 2022 at 8:00 PM
Anonymous User from Spring, TX
June 29, 2021 at 3:42 PM
Anonymous User from , CO
January 24, 2015 at 12:25 AM
Anonymous User from , CO
December 4, 2014 at 7:00 PM