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303-256

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Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
Examples: 206-739-5800, 206, 206-739, 48369
Raw Number303256
Basic Format303-256
NPA (Area Code)303
NXX256

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeCityState
303-256-XXXX7378TELEPORT COMMUNICATIONS AMERICA, LLC - CODENVERASDENVERCO

Business/Government Phones on the 303-256 Prefix

PhoneNameAddress
303-256-5748Primary Residential Mortgage, Inc.
303-256-6381Stellar Jay240 14th Street Denver US
303-256-6820America's Best Contacts & Eyeglasses2780 South Colorado Boulevard Denver 80222 US

Reports

Anonymous User from Lakewood, Colorado

April 23, 2026 at 6:26 PM

303-256-3264 reported as a Robocall. Received on April 23, 2026 at 10:22 AM.

Anonymous User from , CO

April 20, 2026 at 2:43 PM

303-256-4927 reported as a unwanted call. Received on April 20, 2026 at 12:40 PM.
Call for Dropped call or no message

Anonymous User from , CO

April 20, 2026 at 2:42 PM

303-256-9032 reported as a unwanted call. Received on April 20, 2026 at 12:41 PM.

Anonymous User from , OH

January 25, 2026 at 3:27 PM

303-256-1031 reported as a Live Voice or Other. Received on January 25, 2026 at 12:00 AM.
Call for No Subject Provided

Anonymous User from Las Vegas, Nv 89115, Nevada

January 7, 2026 at 8:58 PM

303-256-1031 reported as a Robocall. Received on January 3, 2026 at 12:20 PM.

Anonymous User from , NC

September 12, 2025 at 10:59 AM

303-256-1031 reported as a Live Voice or Other. Received on September 12, 2025 at 10:55 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , AZ

August 26, 2025 at 12:10 PM

303-256-1031 reported as a Robocall. Received on August 26, 2025 at 9:07 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Lakewood, Colorado

August 15, 2025 at 10:44 AM

303-256-9661 reported as a Robocall. Received on August 14, 2025 at 10:16 AM.

Anonymous User from , WI

May 5, 2025 at 12:02 PM

303-256-1031 reported as a Live Voice or Other. Received on May 4, 2025 at 2:14 PM.

Anonymous User from Las Vegas, Nv 89115, Nevada

April 23, 2025 at 9:23 PM

303-256-1031 reported as a Robocall. Received on April 23, 2025 at 12:17 PM.

Anonymous User from Westminster, Massachusetts

April 8, 2025 at 8:12 PM

303-256-1030 reported as a Live Voice or Other. Received on April 8, 2025 at 6:01 PM.
Call for No Subject Provided

Anonymous User from Greenville, Ohio

April 6, 2025 at 11:09 AM

303-256-1031 reported as a Robocall. Received on April 6, 2025 at 10:01 AM.

Anonymous User from Palm Desert, California

April 3, 2025 at 4:01 PM

303-256-1030 reported as a Robocall. Received on April 2, 2025 at 6:00 PM.

Anonymous User from , CO

March 10, 2025 at 1:59 PM

303-256-6816 reported as a Robocall. Received on March 10, 2025 at 11:44 AM.
Call for No Subject Provided

Anonymous User from , CO

March 10, 2025 at 1:59 PM

303-256-6816 reported as a Robocall. Received on March 10, 2025 at 11:44 AM.
Call for No Subject Provided

Anonymous User from Las Vegas, Nv 89115, Nevada

February 24, 2025 at 9:13 PM

303-256-1031 reported as a Robocall. Received on February 23, 2025 at 12:24 PM.

Anonymous User from , CO

February 24, 2025 at 10:45 AM

303-256-1717 reported as a Robocall. Received on February 24, 2025 at 8:45 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Miller Place, New York

February 20, 2025 at 5:29 AM

303-256-1031 reported as a Robocall. Received on February 18, 2025 at 3:01 PM.

Anonymous User from Las Vegas, Nv 89115, Nevada

January 16, 2025 at 9:21 PM

303-256-1031 reported as a Robocall. Received on January 15, 2025 at 12:10 PM.

Anonymous User from , IA

January 4, 2025 at 6:57 PM

303-256-1030 reported as a Robocall. Received on January 4, 2025 at 5:46 AM.

Anonymous User from , NY

September 18, 2024 at 6:33 PM

303-256-1030 reported as a Live Voice or Other. Received on September 18, 2024 at 6:30 PM.

Anonymous User from Jacksonville, North Carolina

September 10, 2024 at 3:03 PM

303-256-1031 reported as a Robocall. Received on September 10, 2024 at 3:01 PM.
Call for Dropped call or no message

Anonymous User from Council Bluffs, Iowa

June 8, 2024 at 5:00 PM

303-256-1031 reported as a unwanted call. Received on June 8, 2024 at 2:32 PM.
Call for Dropped call or no message

Anonymous User from , NC

May 31, 2024 at 6:46 PM

303-256-1030 reported as a Robocall. Received on May 31, 2024 at 12:00 AM.

Anonymous User from , CO

May 23, 2024 at 11:10 AM

303-256-6816 reported as a Robocall. Received on May 23, 2024 at 8:08 AM.
Call for No Subject Provided

Anonymous User from , CO

May 23, 2024 at 11:09 AM

303-256-6816 reported as a Robocall. Received on May 23, 2024 at 8:08 AM.
Call for No Subject Provided

Anonymous User from Milan, Illinois

May 9, 2024 at 4:12 PM

303-256-1031 reported as a Live Voice or Other. Received on May 6, 2024 at 5:06 PM.

Anonymous User from Utica, Kentucky

December 24, 2023 at 7:59 PM

303-256-1030 reported as a unwanted call. Received on December 24, 2023 at 6:54 PM.
Call for Warranties & protection plans

Anonymous User from Kingman, Arizona

December 16, 2023 at 4:52 PM

303-256-1030 reported as a Live Voice or Other. Received on December 11, 2023 at 6:00 PM.

Anonymous User from Kingman, Arizona

November 20, 2023 at 2:32 PM

303-256-1030 reported as a Live Voice or Other. Received on November 13, 2023 at 6:00 PM.

Anonymous User from , FL

November 11, 2023 at 11:31 AM

303-256-1030 reported as a Live Voice or Other. Received on July 28, 2023 at 1:04 PM.

Anonymous User from , NV

October 17, 2023 at 6:29 AM

303-256-1031 reported as a unwanted call. Received on October 16, 2023 at 6:29 PM.

Anonymous User from , NV

October 10, 2023 at 7:32 AM

303-256-1031 reported as a Robocall. Received on October 9, 2023 at 6:34 PM.

Anonymous User from , CO

October 6, 2023 at 6:24 PM

303-256-6815 reported as a unwanted call. Received on October 6, 2023 at 12:00 AM.
Call for No Subject Provided

Anonymous User from , CO

October 6, 2023 at 6:24 PM

303-256-6815 reported as a Robocall. Received on October 6, 2023 at 12:00 PM.
Call for No Subject Provided

Anonymous User from , NV

October 3, 2023 at 6:34 AM

303-256-1031 reported as a Robocall. Received on October 2, 2023 at 3:00 PM.

Anonymous User from Littleton, Colorado

September 25, 2023 at 7:12 PM

303-256-5593 reported as a Robocall. Received on September 25, 2023 at 3:15 PM.

Anonymous User from , AL

September 13, 2023 at 7:08 PM

303-256-1031 reported as a Robocall. Received on September 13, 2023 at 6:05 PM.
Call for No Subject Provided

Anonymous User from Las Vegas, Nevada

August 20, 2023 at 4:21 PM

303-256-1030 reported as a Robocall. Received on November 3, 2022 at 12:01 PM.

Anonymous User from , AL

August 18, 2023 at 7:15 PM

303-256-1031 reported as a Robocall. Received on August 18, 2023 at 6:06 PM.
Call for No Subject Provided

Anonymous User from Pembroke Pines, Florida

August 16, 2023 at 6:36 AM

303-256-1031 reported as a Robocall. Received on August 15, 2023 at 2:04 AM.
Call for Dropped call or no message

Anonymous User from , TX

August 7, 2023 at 9:52 AM

303-256-1030 reported as a Live Voice or Other. Received on August 3, 2023 at 9:28 AM.

Anonymous User from Anchorage, Alaska

August 4, 2023 at 5:10 PM

303-256-2886 reported as a Robocall. Received on June 21, 2023 at 11:54 AM.

Anonymous User from Broomfield, Colorado

July 26, 2023 at 3:46 PM

303-256-1320 reported as a Robocall. Received on July 26, 2023 at 12:22 PM.

Anonymous User from Fort Myers, Florida

July 19, 2023 at 4:07 PM

303-256-1031 reported as a Live Voice or Other. Received on July 19, 2023 at 3:44 PM.

Anonymous User from Wheat Ridge, Colorado

June 28, 2023 at 5:12 PM

303-256-1717 reported as a Robocall. Received on June 28, 2023 at 3:10 PM.

Anonymous User from Anchorage, Alaska

June 21, 2023 at 8:40 PM

303-256-2886 reported as a Robocall. Received on June 21, 2023 at 11:54 AM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from , AL

June 19, 2023 at 7:29 PM

303-256-1031 reported as a Robocall. Received on June 19, 2023 at 6:06 PM.
Call for No Subject Provided

Anonymous User from Mancelona, Michigan

June 15, 2023 at 10:17 PM

303-256-1030 reported as a Robocall. Received on June 15, 2023 at 12:16 PM.

Anonymous User from , MD

June 9, 2023 at 3:37 PM

303-256-1030 reported as a Live Voice or Other. Received on June 8, 2023 at 6:09 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from , AZ

May 30, 2023 at 2:55 PM

303-256-9320 reported as a Live Voice or Other. Received on May 30, 2023 at 10:35 AM.
Call for No Subject Provided

Anonymous User from Anchorage, Alaska

May 19, 2023 at 11:34 PM

303-256-1031 reported as a unwanted call. Received on May 18, 2023 at 6:02 PM.

Anonymous User from , AL

May 19, 2023 at 5:56 PM

303-256-1031 reported as a Robocall. Received on May 18, 2023 at 6:05 PM.
Call for No Subject Provided

Anonymous User from Sonoma, California

May 14, 2023 at 6:15 PM

303-256-1030 reported as a unwanted call. Received on May 11, 2023 at 6:05 PM.

Anonymous User from Sonoma, California

May 14, 2023 at 6:15 PM

303-256-1030 reported as a unwanted call. Received on May 11, 2023 at 5:16 PM.

Anonymous User from , NY

May 3, 2023 at 6:55 PM

303-256-1031 reported as a unwanted call. Received on March 8, 2023 at 12:00 AM.
Call for Dropped call or no message

Anonymous User from Belington, West Virginia

April 27, 2023 at 2:44 PM

303-256-1030 reported as a Robocall. Received on April 26, 2023 at 6:03 PM.

Anonymous User from Littleton, Colorado

April 15, 2023 at 3:00 PM

303-256-2646 reported as a Robocall. Received on April 15, 2023 at 12:55 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , FL

April 15, 2023 at 1:20 PM

303-256-1330 reported as a Robocall. Received on April 12, 2023 at 12:00 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Jacksonville, Arkansas

March 25, 2023 at 3:00 PM

303-256-1031 reported as a Robocall. Received on October 12, 2022 at 3:30 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Watkinsville, Georgia

March 16, 2023 at 5:56 PM

303-256-1031 reported as a Live Voice or Other. Received on March 16, 2023 at 5:01 PM.

Anonymous User from Hull, Georgia

March 16, 2023 at 5:47 PM

303-256-1031 reported as a Live Voice or Other. Received on March 6, 2023 at 5:16 PM.

Anonymous User from , AL

March 16, 2023 at 1:28 AM

303-256-1031 reported as a Robocall. Received on March 7, 2023 at 6:09 PM.
Call for No Subject Provided

Anonymous User from Castle Rock, Colorado

February 26, 2023 at 8:51 PM

303-256-6717 reported as a Live Voice or Other. Received on February 24, 2023 at 3:48 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from , AL

February 25, 2023 at 1:12 AM

303-256-1031 reported as a Robocall. Received on February 21, 2023 at 6:09 PM.
Call for No Subject Provided

Anonymous User from Westminster, Colorado

February 18, 2023 at 10:52 PM

303-256-2613 reported as a Live Voice or Other. Received on February 14, 2023 at 11:14 AM.

Anonymous User from , FL

February 8, 2023 at 10:02 AM

303-256-1030 reported as a Robocall. Received on December 23, 2022 at 4:08 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , AL

February 3, 2023 at 12:06 PM

303-256-1030 reported as a unwanted call. Received on January 24, 2023 at 12:00 AM.

Anonymous User from , AL

February 3, 2023 at 12:05 PM

303-256-1030 reported as a unwanted call. Received on January 24, 2023 at 6:49 PM.

Anonymous User from , TN

January 30, 2023 at 10:40 AM

303-256-1030 reported as a Robocall. Received on January 23, 2023 at 6:26 PM.

Anonymous User from , AL

December 30, 2022 at 5:50 PM

303-256-1031 reported as a Robocall. Received on December 26, 2022 at 6:51 PM.
Call for No Subject Provided

Anonymous User from Longmont, Colorado

December 30, 2022 at 2:55 PM

303-256-5409 reported as a Robocall. Received on December 30, 2022 at 12:38 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , CO

December 19, 2022 at 12:57 PM

303-256-2950 reported as a Live Voice or Other. Received on December 19, 2022 at 10:55 AM.

Anonymous User from , VA

October 7, 2022 at 12:51 PM

303-256-1030 reported as a Robocall. Received on September 26, 2022 at 6:16 PM.
Call for Dropped call or no message

Anonymous User from , ME

October 5, 2022 at 5:08 PM

303-256-1031 reported as a unwanted call. Received on October 5, 2022 at 4:00 PM.

Anonymous User from , NY

October 3, 2022 at 11:06 PM

303-256-1030 reported as a Robocall. Received on September 30, 2022 at 6:21 PM.
Call for Dropped call or no message

Anonymous User from Southbury, Connecticut

September 29, 2022 at 12:18 PM

303-256-1030 reported as a Live Voice or Other. Received on September 28, 2022 at 12:12 PM.
Call for Dropped call or no message

Anonymous User from , NY

September 26, 2022 at 10:18 PM

303-256-1030 reported as a Robocall. Received on September 23, 2022 at 7:09 PM.
Call for Dropped call or no message

Anonymous User from Shelby, North Carolina

September 6, 2022 at 8:49 PM

303-256-1030 reported as a Robocall. Received on September 5, 2022 at 10:31 AM.

Anonymous User from Magnolia, Texas

August 31, 2022 at 2:06 PM

303-256-0019 reported as a Live Voice or Other. Received on August 29, 2022 at 9:48 AM.
Call for Medical & prescriptions

Anonymous User from Las Vegas, Nevada

August 29, 2022 at 7:17 PM

303-256-1030 reported as a Robocall. Received on August 28, 2022 at 12:01 PM.

Anonymous User from , GA

August 29, 2022 at 11:04 AM

303-256-1031 reported as a Robocall. Received on August 29, 2022 at 10:54 AM.
Call for No Subject Provided

Anonymous User from Las Vegas, Nevada

August 25, 2022 at 7:03 PM

303-256-1030 reported as a Robocall. Received on August 25, 2022 at 12:01 PM.

Anonymous User from Laconia, New Hampshire

August 25, 2022 at 4:59 PM

303-256-1031 reported as a Live Voice or Other. Received on August 25, 2022 at 4:50 PM.
Call for Medical & prescriptions

Anonymous User from Lafayettte, CO

August 17, 2022 at 5:14 PM

303-256-9310 reported as a Live Voice. Received on August 17, 2022 at 10:51 AM.
Unwanted call for Mortgage Loans Services
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Jesup, Georgia

July 20, 2022 at 7:10 PM

303-256-1031 reported as a unwanted call. Received on July 20, 2022 at 6:07 PM.
Call for No Subject Provided

Anonymous User from , FL

June 21, 2022 at 1:34 PM

303-256-1030 reported as a Robocall. Received on June 11, 2022 at 4:01 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Flushing, New York

June 5, 2022 at 3:39 PM

303-256-1031 reported as a Robocall. Received on May 29, 2022 at 5:31 PM.

Anonymous User from West Harrison, NY

February 21, 2022 at 4:54 PM

303-256-1031 reported as a Prerecorded Voice. Received on February 21, 2022 at 9:01 AM.
Unwanted call for Auto Warranty Services
Contacted via Internet (VOIP)

Anonymous User from Ventura, CA

November 15, 2021 at 9:15 PM

303-256-1031 reported as a Prerecorded Voice. Received on November 15, 2021 at 10:14 AM.
Unwanted call for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Yorktown Heights, NY

August 16, 2021 at 12:45 PM

303-256-1031 reported as a Prerecorded Voice. Received on August 16, 2021 at 6:24 PM.
Unwanted call for auto_warranty_services
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Parker, CO

March 3, 2021 at 4:08 PM

303-256-3918 reported as a Live Voice. Received on March 3, 2021 at 8:57 AM.
Unwanted call for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , IL

October 4, 2016 at 2:18 PM

reported as a Abandoned Calls. Received on October 3, 2016 at 4:25 PM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 303-256-1031
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , IL

October 4, 2016 at 2:15 PM

reported as a Abandoned Calls. Received on October 3, 2016 at 4:24 PM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 303-256-1031
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , IL

October 4, 2016 at 2:12 PM

reported as a Abandoned Calls. Received on October 3, 2016 at 4:23 PM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 303-256-1031
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , IL

October 4, 2016 at 2:09 PM

reported as a Abandoned Calls. Received on October 3, 2016 at 4:22 PM.
Robocall for unknown
Caller ID indicated they called from 303-256-1031
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , GA

September 24, 2016 at 11:07 PM

reported as a Abandoned Calls. Received on September 24, 2016 at 6:24 PM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 303-256-1030
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , NC

September 7, 2016 at 9:26 PM

reported as a Prerecorded Voice. Received on August 30, 2016 at 5:23 PM.
Robocall for unknown
Caller ID indicated they called from 303-256-1031
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , CO

February 20, 2016 at 9:24 PM

315-256-9523 reported as a Prerecorded Voice. Received on February 20, 2016 at 1:20 PM.
Robocall for unknown
Caller ID indicated they called from 303-256-9523
Contacted via Wired

Anonymous User from , MD

February 5, 2016 at 10:56 PM

303-256-1031 reported as a Prerecorded Voice. Received on November 20, 2015 at 12:00 PM.
Robocall for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , NC

October 7, 2015 at 4:53 PM

reported as a Abandoned Calls. Received on October 7, 2015 at 10:32 AM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 303-256-1031
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , NY

July 8, 2015 at 1:47 PM

reported as a Prerecorded Voice. Received on July 6, 2015 at 7:18 PM.
Robocall for unknown
Caller ID indicated they called from 303-256-1030
Contacted via Wired

Most 'popular' numbers on this prefix:

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303-256-2XXX: 303-256-2600 | 303-256-2640 | 303-256-2645 | 303-256-2647 | 303-256-2700 | 303-256-2720 | 303-256-2722 | 303-256-2723 | 303-256-2777 | 303-256-2800 | 303-256-2880 | 303-256-2883 | 303-256-2888 | 303-256-2900 | 303-256-2950 | 303-256-2953 | 303-256-2955 | 303-256-2992 | 303-256-2998 |
303-256-3XXX: 303-256-3900 | 303-256-3910 | 303-256-3911 | 303-256-3915 | 303-256-3950 |
303-256-4XXX: 303-256-4141 | 303-256-4180 | 303-256-4181 | 303-256-4188 | 303-256-4191 | 303-256-4197 |
303-256-5XXX: 303-256-5400 | 303-256-5401 | 303-256-5409 | 303-256-5440 | 303-256-5500 | 303-256-5550 | 303-256-5555 | 303-256-5590 | 303-256-5595 | 303-256-5599 | 303-256-5706 | 303-256-5707 | 303-256-5740 | 303-256-5745 | 303-256-5747 | 303-256-5757 | 303-256-5800 | 303-256-5801 | 303-256-5808 | 303-256-5880 | 303-256-5887 | 303-256-5888 | 303-256-5900 | 303-256-5901 | 303-256-5909 | 303-256-5996 | 303-256-5997 |
303-256-6XXX: 303-256-6404 | 303-256-6407 | 303-256-6409 | 303-256-6430 | 303-256-6433 | 303-256-6435 | 303-256-6701 | 303-256-6706 | 303-256-6710 | 303-256-6711 | 303-256-6712 | 303-256-6777 | 303-256-6800 | 303-256-6801 | 303-256-6810 | 303-256-6811 | 303-256-6818 | 303-256-6887 |
303-256-7XXX: 303-256-7400 | 303-256-7452 | 303-256-7453 | 303-256-7455 |
303-256-9XXX: 303-256-9303 | 303-256-9320 | 303-256-9323 | 303-256-9325 | 303-256-9505 | 303-256-9522 | 303-256-9524 | 303-256-9527 | 303-256-9555 | 303-256-9559 |