303-483

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Phone Lookup Top Complaints Area Codes NPA-NXX iMessage

Raw Number	303483
Basic Format	303-483
NPA (Area Code)	303
NXX	483

Call Routing Data

NPA-NXX-X	OCN	Company	Rate Center	Use Type	Assign Date	City	State	Region	Block Effective Date
303-483-0XXX	6118	LEVEL 3 COMMUNICATIONS, LLC - CO	DENVER	RT		DENVER	CO	WE
303-483-1XXX	6567	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO	DENVER	AS	07/20/2005	DENVER	CO	WE	08/15/2005
303-483-2XXX	6118	LEVEL 3 COMMUNICATIONS, LLC - CO	DENVER	RT		DENVER	CO	WE
303-483-3XXX	6567	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO	DENVER	AS	07/20/2005	DENVER	CO	WE	08/15/2005
303-483-4XXX	6118	LEVEL 3 COMMUNICATIONS, LLC - CO	DENVER	RT		DENVER	CO	WE
303-483-5XXX	6567	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO	DENVER	AS	07/20/2005	DENVER	CO	WE	08/15/2005
303-483-6XXX	6010	NEW CINGULAR WIRELESS PCS, LLC	DENVER	AS	06/16/2022	DENVER	CO	WE	07/16/2022
303-483-7XXX	6118	LEVEL 3 COMMUNICATIONS, LLC - CO	DENVER	RT		DENVER	CO	WE
303-483-8XXX	6567	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO	DENVER	AS	07/20/2005	DENVER	CO	WE	08/15/2005
303-483-9XXX	6529	T-MOBILE USA, INC.	DENVER	AS	06/09/2021	DENVER	CO	WE	07/05/2021
303-483-XXXX	6118	LEVEL 3 COMMUNICATIONS, LLC - CO	DENVER	AS		DENVER	CO

Business/Government Phones on the 303-483 Prefix

Phone	Name	Address
303-483-1169	Johnson Electrical Systems LLC
303-483-3778	Sunshine Massage Clinic
303-483-5275	Mr. Greenthumb, LLC
303-483-5545	Denver Home Care Solutions LLC
303-483-7150	American Medical Sales & Rentals
303-483-7300	Yes! Communities
303-483-7786	Action Behavior Centers - ABA Therapy for Autism	3550 North Lutheran Parkway Wheat Ridge 80033 US

Reports

Anonymous User from Longmont, Colorado

April 22, 2026 at 1:09 PM

303-483-7682 reported as a Live Voice or Other. Received on April 22, 2026 at 10:52 AM.
Call for Home improvement & cleaning

Anonymous User from Peoria, Arizona

April 6, 2026 at 12:41 AM

303-483-8923 reported as a Live Voice or Other. Received on March 27, 2026 at 7:02 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Longmont, Colorado

December 23, 2025 at 5:09 PM

303-483-0702 reported as a Robocall. Received on December 23, 2025 at 3:04 PM.
Call for Warranties & protection plans

Anonymous User from , CA

December 8, 2025 at 1:10 PM

303-483-9304 reported as a Robocall. Received on December 7, 2025 at 2:57 PM.
Call for Warranties & protection plans

Anonymous User from , CA

December 7, 2025 at 6:08 PM

303-483-9304 reported as a Robocall. Received on December 7, 2025 at 2:57 PM.
Call for Home security & alarms

Anonymous User from Aurora, Colorado

December 1, 2025 at 1:17 PM

303-483-0455 reported as a Live Voice or Other. Received on December 1, 2025 at 10:50 AM.

Anonymous User from Parsippany, NJ

June 13, 2025 at 9:44 PM

reported as a Live Voice. Received on June 13, 2025 at 9:30 AM.
Unwanted call for unknown
Caller ID indicated they called from 303-483-7779
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Meridian, Mississippi

June 6, 2025 at 3:46 PM

303-483-7712 reported as a Robocall. Received on June 6, 2025 at 2:16 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Marshall, Michigan

June 6, 2025 at 2:56 PM

303-483-7673 reported as a Robocall. Received on June 6, 2025 at 2:45 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , CO

May 9, 2025 at 3:31 PM

303-483-7057 reported as a Robocall. Received on May 9, 2025 at 1:28 PM.
Call for No Subject Provided

Anonymous User from , CO

May 9, 2025 at 3:31 PM

303-483-7057 reported as a Robocall. Received on May 9, 2025 at 1:28 PM.
Call for No Subject Provided

Anonymous User from , CO

April 29, 2025 at 7:57 PM

303483104 reported as a Robocall. Received on April 29, 2025 at 1:35 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Bennett, Colorado

March 4, 2025 at 2:59 PM

303-483-4804 reported as a Live Voice or Other. Received on March 4, 2025 at 12:18 PM.
Call for Dropped call or no message

Anonymous User from , CO

January 29, 2025 at 1:12 PM

303-483-2063 reported as a Robocall. Received on January 29, 2025 at 10:24 AM.
Call for Dropped call or no message

Anonymous User from Glendale, Colorado

April 30, 2024 at 8:39 PM

303-483-3170 reported as a Robocall. Received on April 30, 2024 at 1:55 PM.
Call for Charities

Anonymous User from Glendale, Arizona

April 30, 2024 at 8:37 PM

303-483-3170 reported as a Robocall. Received on April 30, 2024 at 5:25 PM.
Call for Charities

Anonymous User from , WA

February 1, 2024 at 8:06 PM

303-483-5595 reported as a Robocall. Received on February 1, 2024 at 7:25 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Bronx, NY

February 1, 2024 at 4:54 AM

303-483-9103 reported as a Live Voice. Received on February 1, 2024 at 12:59 PM.
Unwanted call for Prizes Won Something Services
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Wheat Ridge, Colorado

July 7, 2023 at 4:53 PM

303-483-4072 reported as a Robocall. Received on July 7, 2023 at 2:51 PM.

Anonymous User from Broomfield, Colorado

May 8, 2023 at 2:06 PM

303-483-1563 reported as a Robocall. Received on May 8, 2023 at 12:03 PM.

Anonymous User from Green Bank, West Virginia

February 21, 2023 at 9:32 AM

303-483-7158 reported as a Live Voice or Other. Received on February 20, 2023 at 9:00 PM.

Anonymous User from Evergreen, Colorado

October 25, 2022 at 8:21 PM

303-483-7331 reported as a Live Voice or Other. Received on October 25, 2022 at 11:51 AM.

Anonymous User from Denver, Colorado

October 18, 2022 at 12:58 PM

303-483-7243 reported as a Robocall. Received on October 18, 2022 at 10:32 AM.
Call for Calls pretending to be government, businesses, or family and friends