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303-563

You are reviewing the Area Code (NPA/NXX) report for 303-563. Did you mean to search the SMS short code 303563?

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Raw Number303563
Basic Format303-563
NPA (Area Code)303
NXX563

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
303-563-0XXX6118LEVEL 3 COMMUNICATIONS, LLC - CODENVERRTDENVERCOWE
303-563-1XXX6118LEVEL 3 COMMUNICATIONS, LLC - CODENVERRTDENVERCOWE
303-563-2XXX6118LEVEL 3 COMMUNICATIONS, LLC - CODENVERRTDENVERCOWE
303-563-3XXX6118LEVEL 3 COMMUNICATIONS, LLC - CODENVERRTDENVERCOWE
303-563-4XXX6118LEVEL 3 COMMUNICATIONS, LLC - CODENVERRTDENVERCOWE
303-563-5XXX6118LEVEL 3 COMMUNICATIONS, LLC - CODENVERRTDENVERCOWE
303-563-6XXX6118LEVEL 3 COMMUNICATIONS, LLC - CODENVERRTDENVERCOWE
303-563-7XXX6118LEVEL 3 COMMUNICATIONS, LLC - CODENVERRTDENVERCOWE
303-563-8XXX6118LEVEL 3 COMMUNICATIONS, LLC - CODENVERRTDENVERCOWE
303-563-9XXX6567CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CODENVERAS07/06/2006DENVERCOWE07/31/2006
303-563-XXXX6118LEVEL 3 COMMUNICATIONS, LLC - CODENVERASDENVERCO

Business/Government Phones on the 303-563 Prefix

PhoneNameAddress
303-563-7021Metropolis Coffee1199 80205 US

Reports

Anonymous User from Chicago, Illinois

February 25, 2026 at 11:06 AM

303-563-3222 reported as a Live Voice or Other. Received on February 25, 2026 at 9:37 AM.

Anonymous User from Westminster, CO

February 2, 2026 at 10:53 PM

reported as a Prerecorded Voice. Received on February 2, 2026 at 1:00 PM.
Unwanted call for Medicare Medicaid Services
Caller ID indicated they called from 303-563-7796
Contacted via Wired

Anonymous User from Westminster, Colorado

February 2, 2026 at 6:00 PM

303-563-7796 reported as a Robocall. Received on February 2, 2026 at 1:10 AM.
Call for Medical & prescriptions

Anonymous User from Longmont, Colorado

January 22, 2026 at 6:26 PM

303-563-2152 reported as a Robocall. Received on January 22, 2026 at 3:24 PM.

Anonymous User from , CO

January 22, 2026 at 12:33 PM

303-563-0437 reported as a unwanted call. Received on January 22, 2026 at 10:32 AM.

Anonymous User from Scottsdale, Arizona

January 16, 2026 at 11:36 AM

303-563-3814 reported as a Robocall. Received on January 16, 2026 at 7:37 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Golden, Colorado

November 20, 2025 at 10:09 AM

303-563-6250 reported as a Robocall. Received on November 20, 2025 at 8:00 AM.
Call for Medical & prescriptions

Anonymous User from Firestone, Colorado

November 15, 2025 at 1:09 PM

303-563-5051 reported as a Robocall. Received on November 14, 2025 at 10:06 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Palatine, IL

November 13, 2025 at 9:39 PM

reported as a Prerecorded Voice. Received on November 13, 2025 at 11:36 AM.
Unwanted call for Home Security Alarms Services
Caller ID indicated they called from 303-563-7827
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , CO

March 7, 2025 at 1:05 PM

303-563-2194 reported as a Robocall. Received on March 6, 2025 at 10:24 AM.

Anonymous User from , CO

March 7, 2025 at 1:01 PM

303-563-2194 reported as a Robocall. Received on March 6, 2025 at 10:24 PM.

Anonymous User from Broomfield, Colorado

March 5, 2025 at 3:33 PM

303-563-5842 reported as a Live Voice or Other. Received on March 5, 2025 at 11:23 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Bennett, Colorado

August 29, 2024 at 1:15 PM

303-563-6892 reported as a Robocall. Received on August 29, 2024 at 11:01 AM.

Anonymous User from Castle Rock, Colorado

July 22, 2024 at 8:06 PM

303-563-7064 reported as a Live Voice or Other. Received on July 22, 2024 at 5:10 PM.
Call for Computer & technical support

Anonymous User from Lafayette, Colorado

March 8, 2024 at 2:28 PM

303-563-9896 reported as a Robocall. Received on March 8, 2024 at 12:05 PM.

Anonymous User from , CO

February 14, 2024 at 7:48 PM

303-563-5672 reported as a Robocall. Received on February 7, 2024 at 9:09 AM.
Call for Dropped call or no message

Anonymous User from Bennett, CO

June 6, 2023 at 2:58 PM

None reported as a Prerecorded Voice. Received on June 6, 2023 at 8:49 AM.
Unwanted call for Health Insurance Services
Caller ID indicated they called from 303-563-0765
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Denver, Colorado

May 30, 2023 at 2:46 PM

303-563-1302 reported as a unwanted call. Received on May 30, 2023 at 12:38 PM.
Call for Dropped call or no message

Anonymous User from , CO

April 21, 2023 at 2:18 PM

303-563-7207 reported as a Robocall. Received on April 21, 2023 at 12:15 PM.

Anonymous User from , CO

April 7, 2023 at 5:17 PM

303-563-0214 reported as a Robocall. Received on April 7, 2023 at 12:00 AM.
Call for No Subject Provided

Anonymous User from Littleton, Colorado

March 5, 2023 at 12:22 PM

303-563-6647 reported as a Robocall. Received on March 4, 2023 at 12:12 PM.
Call for Dropped call or no message

Anonymous User from , CO

January 22, 2023 at 7:21 PM

303-563-4376 reported as a Robocall. Received on January 21, 2023 at 8:38 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from San Rafael, California

June 3, 2022 at 12:54 PM

303-563-3190 reported as a Robocall. Received on June 2, 2022 at 12:00 PM.

Most 'popular' numbers on this prefix:

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303-563-2XXX: 303-563-2191 | 303-563-2195 | 303-563-2196 | 303-563-2197 | 303-563-2198 |
303-563-3XXX: 303-563-3166 | 303-563-3167 | 303-563-3169 | 303-563-3191 | 303-563-3193 | 303-563-3199 |
303-563-4XXX: 303-563-4300 | 303-563-4333 | 303-563-4350 | 303-563-4370 | 303-563-4373 |
303-563-5XXX: 303-563-5407 | 303-563-5420 | 303-563-5422 | 303-563-5425 | 303-563-5440 | 303-563-5600 | 303-563-5606 | 303-563-5650 | 303-563-5670 | 303-563-5675 | 303-563-5810 | 303-563-5820 | 303-563-5840 | 303-563-5850 |
303-563-6XXX: 303-563-6300 | 303-563-6303 | 303-563-6307 | 303-563-6360 | 303-563-6363 | 303-563-6365 | 303-563-6400 | 303-563-6401 | 303-563-6404 | 303-563-6407 | 303-563-6600 | 303-563-6609 | 303-563-6644 | 303-563-6647 | 303-563-6648 | 303-563-6655 | 303-563-6800 | 303-563-6801 | 303-563-6888 | 303-563-6890 | 303-563-6898 | 303-563-6899 |
303-563-7XXX: 303-563-7000 | 303-563-7040 | 303-563-7060 | 303-563-7062 | 303-563-7066 | 303-563-7070 | 303-563-7200 | 303-563-7207 | 303-563-7209 | 303-563-7220 | 303-563-7250 | 303-563-7700 | 303-563-7770 | 303-563-7777 | 303-563-7790 | 303-563-7795 | 303-563-7799 | 303-563-7800 | 303-563-7807 | 303-563-7820 | 303-563-7821 | 303-563-7823 |
303-563-9XXX: 303-563-9300 | 303-563-9303 | 303-563-9330 | 303-563-9380 | 303-563-9383 | 303-563-9387 | 303-563-9882 | 303-563-9883 | 303-563-9884 | 303-563-9894 | 303-563-9896 | 303-563-9898 |