203-303

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Phone Lookup Top Complaints Area Codes NPA-NXX iMessage

Raw Number	203303
Basic Format	203-303
NPA (Area Code)	203
NXX	303

Call Routing Data

NPA-NXX-X	OCN	Company	Rate Center	Use Type	Assign Date	City	State	Region	Block Effective Date
203-303-0XXX	7143	TELEPORT COMMUNICATIONS AMERICA, LLC - CT	WALLINGFD	RT		WALLINGFORD	CT	NE
203-303-1XXX	318J	COMCAST IP PHONE, LLC	WALLINGFD	AS	08/21/2017	WALLINGFORD	CT	NE	09/14/2017
203-303-2XXX	7143	TELEPORT COMMUNICATIONS AMERICA, LLC - CT	WALLINGFD	RT		WALLINGFORD	CT	NE
203-303-3XXX	7143	TELEPORT COMMUNICATIONS AMERICA, LLC - CT	WALLINGFD	RT		WALLINGFORD	CT	NE
203-303-4XXX	199F	BANDWIDTH.COM CLEC, LLC - CT	WALLINGFD	AS	08/10/2010	WALLINGFORD	CT	NE	09/09/2010
203-303-5XXX	7229	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	WALLINGFD	AS	05/29/2003	WALLINGFORD	CT	NE	06/18/2003
203-303-6XXX	7143	TELEPORT COMMUNICATIONS AMERICA, LLC - CT	WALLINGFD	RT		WALLINGFORD	CT	NE
203-303-7XXX	4800	LEVEL 3 COMMUNICATIONS, LLC - CT	WALLINGFD	AS	06/01/2006	WALLINGFORD	CT	NE	06/30/2006
203-303-8XXX	4800	LEVEL 3 COMMUNICATIONS, LLC - CT	WALLINGFD	AS	12/14/2004	WALLINGFORD	CT	NE	01/10/2005
203-303-9XXX	073H	TELNYX LLC	WALLINGFD	AS	04/20/2018	WALLINGFORD	CT	NE	05/02/2018
203-303-XXXX	7143	TELEPORT COMMUNICATIONS AMERICA, LLC - CT	WALLINGFD	AS		WALLINGFORD	CT

Business/Government Phones on the 203-303 Prefix

Phone	Name	Address
203-303-0005	ThermoSpas Hot Tub Products, Inc.
203-303-1723	Car Central Auto Sales & Service
203-303-1990	Connecticut Claims Adjusters, LLC
203-303-7367	Global Consumer Survey Reward Services Ltd.
203-303-9418	Regional Hospice and Palliative Care Center for Comfort Care & Healing	30 Milestone Road Danbury 96810 US

Reports

Anonymous User from , CT

March 2, 2026 at 11:16 AM

203-303-9726 reported as a Robocall. Received on March 2, 2026 at 11:14 AM.
Call for Home improvement & cleaning

Anonymous User from Rumford, Rhode Island

January 22, 2026 at 1:27 PM

203-303-7952 reported as a Live Voice or Other. Received on January 22, 2026 at 9:00 AM.
Call for Medical & prescriptions

Anonymous User from , CT

December 15, 2025 at 8:09 AM

203-303-8051 reported as a unwanted call. Received on December 12, 2025 at 6:27 PM.

Anonymous User from , CT

December 11, 2025 at 7:21 AM

203-303-8051 reported as a unwanted call. Received on December 10, 2025 at 6:21 PM.

Anonymous User from Seymour, Connecticut

July 24, 2025 at 2:55 PM

203-303-6805 reported as a Robocall. Received on July 24, 2025 at 2:54 AM.
Call for Energy, solar, & utilities

Anonymous User from Stamford, Connecticut

July 16, 2025 at 2:05 PM

203-303-9118 reported as a Live Voice or Other. Received on July 16, 2025 at 1:49 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , CT

May 16, 2025 at 10:31 AM

203-303-7327 reported as a unwanted call. Received on May 15, 2025 at 12:00 AM.
Call for No Subject Provided

Anonymous User from Wilton, Connecticut

May 15, 2025 at 8:08 PM

203-303-0193 reported as a Robocall. Received on May 15, 2025 at 5:45 PM.
Call for Dropped call or no message

Anonymous User from Nashville (davidson), Tennessee

April 29, 2025 at 9:03 PM

203-303-7664 reported as a Robocall. Received on April 28, 2025 at 10:27 AM.
Call for Medical & prescriptions

Anonymous User from Nashville (davidson), Tennessee

April 29, 2025 at 9:02 PM

203-303-7664 reported as a Robocall. Received on April 28, 2025 at 10:32 AM.
Call for Medical & prescriptions

Anonymous User from Clinton, Illinois

April 28, 2025 at 3:35 PM

203-303-7664 reported as a Robocall. Received on April 28, 2025 at 2:31 PM.

Anonymous User from Camas, Washington

April 28, 2025 at 3:31 PM

203-303-7664 reported as a Robocall. Received on April 28, 2025 at 12:30 PM.
Call for Dropped call or no message

Anonymous User from Fairfield, Connecticut

April 16, 2025 at 10:03 AM

203-303-8785 reported as a Live Voice or Other. Received on April 15, 2025 at 7:55 PM.

Anonymous User from North Haven, Connecticut

February 13, 2025 at 12:44 PM

203-303-5460 reported as a Robocall. Received on February 13, 2025 at 12:43 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from , CT

February 5, 2025 at 5:42 PM

203-303-8274 reported as a Robocall. Received on February 5, 2025 at 5:35 AM.
Call for Medical & prescriptions

Anonymous User from , CT

January 28, 2025 at 10:30 AM

203-303-4297 reported as a Live Voice or Other. Received on January 28, 2025 at 9:00 AM.
Call for No Subject Provided

Anonymous User from Lima, Ohio

January 27, 2025 at 4:56 PM

203-303-4649 reported as a Live Voice or Other. Received on January 27, 2025 at 9:26 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Bridgeport, Connecticut

January 18, 2025 at 2:30 PM

203-303-9905 reported as a unwanted call. Received on January 17, 2025 at 1:24 PM.
Call for Dropped call or no message

Anonymous User from Stratford, Connecticut

January 9, 2025 at 11:28 AM

203-303-9483 reported as a Live Voice or Other. Received on January 9, 2025 at 11:27 AM.
Call for Dropped call or no message

Anonymous User from , CT

December 27, 2024 at 1:54 PM

203-303-9658 reported as a Robocall. Received on December 27, 2024 at 12:00 PM.

Anonymous User from Orange, Connecticut

November 21, 2024 at 6:28 PM

203-303-7846 reported as a Live Voice or Other. Received on November 21, 2024 at 6:18 PM.
Call for Energy, solar, & utilities

Anonymous User from Wichita, Kansas

October 9, 2024 at 9:15 PM

203-303-4641 reported as a Live Voice or Other. Received on October 8, 2024 at 12:00 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from West Haven, Connecticut

August 28, 2024 at 2:03 PM

203-303-2600 reported as a Live Voice or Other. Received on August 22, 2024 at 10:18 AM.

Anonymous User from Trumbull, Connecticut

August 22, 2024 at 5:24 PM

203-303-2600 reported as a Live Voice or Other. Received on August 22, 2024 at 10:33 AM.

Anonymous User from Bennington, Vermont

July 6, 2024 at 1:56 PM

203-303-4177 reported as a Live Voice or Other. Received on July 6, 2024 at 12:00 PM.

Anonymous User from , CT

July 1, 2024 at 9:30 AM

203-303-7457 reported as a unwanted call. Received on July 1, 2024 at 9:30 AM.

Anonymous User from Ridgefield, Connecticut

June 28, 2024 at 4:23 PM

203-303-8683 reported as a Robocall. Received on June 28, 2024 at 3:33 PM.
Call for Charities

Anonymous User from Madison, Connecticut

June 12, 2024 at 12:14 PM

203-303-3862 reported as a Robocall. Received on June 12, 2024 at 11:19 AM.
Call for Medical & prescriptions

Anonymous User from , CT

May 13, 2024 at 4:25 PM

203-303-9700 reported as a unwanted call. Received on May 13, 2024 at 1:08 PM.

Anonymous User from , CT

March 26, 2024 at 5:33 PM

203-303-4981 reported as a Live Voice or Other. Received on March 26, 2024 at 5:28 PM.

Anonymous User from , CT

February 27, 2024 at 4:49 PM

203-303-4161 reported as a Robocall. Received on February 22, 2024 at 5:40 PM.

Anonymous User from Middletown, Connecticut

February 21, 2024 at 1:21 PM

203-303-2600 reported as a Robocall. Received on February 21, 2024 at 1:05 PM.

Anonymous User from , MA

February 14, 2024 at 9:33 AM

203-303-2600 reported as a Robocall. Received on February 14, 2024 at 9:32 AM.
Call for Medical & prescriptions

Anonymous User from West Haven, Connecticut

February 1, 2024 at 1:15 PM

203-303-2600 reported as a Robocall. Received on February 1, 2024 at 1:05 PM.

Anonymous User from , LA

January 29, 2024 at 6:20 PM

203-303-9804 reported as a Live Voice or Other. Received on January 29, 2024 at 3:12 PM.

Anonymous User from , CT

January 15, 2024 at 12:55 PM

203-303-2125 reported as a Live Voice or Other. Received on January 5, 2024 at 7:24 PM.
Call for Dropped call or no message

Anonymous User from Northford, CT

January 11, 2024 at 5:47 PM

203-303-7914 reported as a Live Voice. Received on January 11, 2024 at 4:16 PM.
Unwanted call for Health Insurance Services
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , DC

January 11, 2024 at 11:46 AM

203-303-4688 reported as a Robocall. Received on January 10, 2024 at 3:09 AM.

Anonymous User from Wallingford, CT

December 26, 2023 at 10:40 PM

None reported as a Prerecorded Voice. Received on December 26, 2023 at 5:19 PM.
Unwanted call for Other Services
Caller ID indicated they called from 203-303-7281
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Riverside, Connecticut

November 30, 2023 at 5:44 PM

203-303-2600 reported as a Robocall. Received on November 30, 2023 at 2:09 PM.

Anonymous User from Spokane, Missouri

November 13, 2023 at 4:16 PM

203-303-7914 reported as a Live Voice or Other. Received on November 13, 2023 at 12:00 AM.
Call for Medical & prescriptions

Anonymous User from Wallingford, CT

September 16, 2023 at 4:19 PM

203-303-7281 reported as a Prerecorded Voice. Received on September 16, 2023 at 12:23 PM.
Unwanted call for unknown
Contacted via Wired

Anonymous User from , RI

August 8, 2023 at 12:15 PM

203-303-4855 reported as a Live Voice or Other. Received on August 8, 2023 at 12:10 PM.

Anonymous User from , RI

August 8, 2023 at 12:14 PM

203-303-4855 reported as a Live Voice or Other. Received on August 8, 2023 at 11:59 AM.

Anonymous User from Wallingford, CT

July 27, 2023 at 2:23 PM

203-303-7281 reported as a Prerecorded Voice. Received on July 27, 2023 at 12:23 PM.
Unwanted call for unknown
Contacted via Wired

Anonymous User from , OK

July 24, 2023 at 11:55 AM

203-303-9078 reported as a Robocall. Received on July 24, 2023 at 10:40 AM.

Anonymous User from Bridgeport, Connecticut

June 10, 2023 at 12:14 PM

203-303-2600 reported as a Robocall. Received on June 10, 2023 at 12:03 PM.

Anonymous User from , CT

May 25, 2023 at 1:11 PM

203-303-2600 reported as a Robocall. Received on May 25, 2023 at 1:08 PM.
Call for Medical & prescriptions

Anonymous User from , CT

May 16, 2023 at 10:17 AM

203-303-7914 reported as a Live Voice or Other. Received on May 15, 2023 at 9:17 AM.
Call for Medical & prescriptions

Anonymous User from Milford, Connecticut

February 4, 2023 at 7:33 AM

203-303-9700 reported as a Robocall. Received on February 2, 2023 at 4:00 PM.
Call for Dropped call or no message

Anonymous User from , CT

February 3, 2023 at 1:23 PM

203-303-2600 reported as a Robocall. Received on February 3, 2023 at 1:18 PM.
Call for Medical & prescriptions

Anonymous User from Willington, Connecticut

January 30, 2023 at 9:42 PM

203-303-2600 reported as a Robocall. Received on January 30, 2023 at 12:51 PM.

Anonymous User from Milford, Connecticut

January 29, 2023 at 9:43 AM

203-303-9700 reported as a Robocall. Received on January 28, 2023 at 9:27 AM.
Call for Dropped call or no message

Anonymous User from Elkton, Connecticut

January 28, 2023 at 11:22 AM

203-303-9700 reported as a Robocall. Received on January 26, 2023 at 1:48 PM.
Call for Work from home & other ways to make money

Anonymous User from Elkton, Virginia

January 28, 2023 at 11:20 AM

203-303-9700 reported as a Robocall. Received on January 28, 2023 at 10:44 AM.
Call for Work from home & other ways to make money

Anonymous User from West Hartford, Connecticut

January 28, 2023 at 9:52 AM

203-303-9880 reported as a Robocall. Received on January 25, 2023 at 10:19 AM.

Anonymous User from Milford, Connecticut

January 27, 2023 at 7:40 AM

203-303-9700 reported as a Robocall. Received on January 26, 2023 at 9:28 AM.

Anonymous User from Milford, Connecticut

January 27, 2023 at 7:39 AM

203-303-9700 reported as a Robocall. Received on January 23, 2023 at 6:26 PM.

Anonymous User from Milford, Connecticut

January 27, 2023 at 7:38 AM

203-303-9700 reported as a Robocall. Received on October 5, 2022 at 4:56 PM.

Anonymous User from , CT

January 20, 2023 at 10:35 AM

203-303-9787 reported as a Robocall. Received on January 20, 2023 at 10:31 AM.

Anonymous User from South Windsor, Connecticut

December 15, 2022 at 10:02 AM

203-303-2600 reported as a Robocall. Received on December 15, 2022 at 9:55 AM.
Call for No Subject Provided

Anonymous User from , CT

November 17, 2022 at 9:54 AM

203-303-0174 reported as a unwanted call. Received on November 11, 2022 at 10:37 AM.
Call for No Subject Provided

Anonymous User from Southbury, Connecticut

September 28, 2022 at 12:05 PM

203-303-9461 reported as a Live Voice or Other. Received on September 28, 2022 at 10:56 PM.

Anonymous User from Lighthouse Point, Connecticut

September 16, 2022 at 11:08 AM

203-303-9683 reported as a unwanted call. Received on September 16, 2022 at 10:30 AM.

Anonymous User from Woodland, Washington

September 15, 2022 at 3:20 PM

203-303-9001 reported as a Live Voice or Other. Received on September 13, 2022 at 9:00 AM.
Call for No Subject Provided

Anonymous User from , CT

August 9, 2022 at 12:41 PM

203-303-8681 reported as a Robocall. Received on August 9, 2022 at 11:38 AM.
Call for Dropped call or no message

Anonymous User from , CT

July 27, 2022 at 4:12 PM

203-303-7583 reported as a Robocall. Received on July 27, 2022 at 3:32 PM.
Call for No Subject Provided

Anonymous User from , CT

June 22, 2022 at 7:07 PM

203-303-5714 reported as a Live Voice or Other. Received on June 22, 2022 at 6:22 PM.
Call for Home security & alarms

Anonymous User from , CT

June 7, 2022 at 8:30 PM

203-303-2600 reported as a Robocall. Received on June 7, 2022 at 3:23 PM.
Call for Medical & prescriptions

Anonymous User from , CT

June 7, 2022 at 8:10 PM

203-303-2600 reported as a Robocall. Received on June 7, 2022 at 3:23 PM.
Call for Medical & prescriptions

Anonymous User from Hamden, CT

October 26, 2021 at 2:57 AM

203-303-7561 reported as a Text Message. Received on October 26, 2021 at 3:54 PM.
Unwanted call for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Hamden, CT

October 25, 2021 at 8:29 PM

203-303-7561 reported as a Text Message. Received on October 25, 2021 at 3:52 PM.
Unwanted call for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from New Canaan, CT

October 20, 2020 at 9:17 PM

203-303-9304 reported as a Live Voice. Received on October 20, 2020 at 11:07 AM.
Unwanted call for unknown
Contacted via Internet (VOIP)

Anonymous User from , CA

July 21, 2016 at 7:56 PM

reported as a Prerecorded Voice. Received on July 21, 2016 at 10:53 AM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 203-303-5712
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , VA

June 20, 2016 at 9:22 PM

reported as a Prerecorded Voice. Received on June 20, 2016 at 4:16 PM.
Robocall for unknown
Caller ID indicated they called from 203-303-5708
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , MI

June 20, 2016 at 8:20 PM

203-303-5708 reported as a Abandoned Calls. Received on June 20, 2016 at 2:50 PM.
Robocall for unknown
Contacted via Wireless (cell phone/other mobile device)

Most 'popular' numbers on this prefix:

203-303-0XXX: 203-303-0000 | 203-303-0001 | 203-303-0158 | 203-303-0170 | 203-303-0172 | 203-303-0178 |
203-303-1XXX: 203-303-1700 | 203-303-1708 | 203-303-1720 | 203-303-1722 | 203-303-1723 | 203-303-1777 | 203-303-1901 | 203-303-1903 | 203-303-1905 | 203-303-1992 | 203-303-1994 | 203-303-1998 |
203-303-2XXX: 203-303-2121 | 203-303-2122 | 203-303-2125 | 203-303-2147 | 203-303-2149 | 203-303-2188 | 203-303-2200 | 203-303-2262 | 203-303-2270 | 203-303-2277 | 203-303-2278 | 203-303-2600 | 203-303-2606 | 203-303-2607 |
203-303-3XXX: 203-303-3800 | 203-303-3860 | 203-303-3862 | 203-303-3869 |
203-303-4XXX: 203-303-4149 | 203-303-4160 | 203-303-4168 | 203-303-4169 | 203-303-4188 | 203-303-4189 | 203-303-4247 | 203-303-4248 | 203-303-4249 | 203-303-4292 | 203-303-4297 | 203-303-4298 | 203-303-4600 | 203-303-4640 | 203-303-4645 | 203-303-4647 | 203-303-4850 | 203-303-4855 | 203-303-4859 | 203-303-4887 | 203-303-4888 | 203-303-4889 | 203-303-4987 | 203-303-4988 | 203-303-4989 | 203-303-4993 | 203-303-4997 | 203-303-4998 |
203-303-5XXX: 203-303-5460 | 203-303-5465 | 203-303-5466 | 203-303-5700 | 203-303-5706 | 203-303-5707 | 203-303-5757 | 203-303-5783 | 203-303-5787 |
203-303-7XXX: 203-303-7221 | 203-303-7226 | 203-303-7227 | 203-303-7228 | 203-303-7229 | 203-303-7287 | 203-303-7288 | 203-303-7289 | 203-303-7333 | 203-303-7338 | 203-303-7339 | 203-303-7453 | 203-303-7455 | 203-303-7458 | 203-303-7500 | 203-303-7506 | 203-303-7560 | 203-303-7562 | 203-303-7569 | 203-303-7600 | 203-303-7663 | 203-303-7666 | 203-303-7667 | 203-303-7840 | 203-303-7847 | 203-303-7848 | 203-303-7883 | 203-303-7887 | 203-303-7889 | 203-303-7901 | 203-303-7902 | 203-303-7903 | 203-303-7910 | 203-303-7911 | 203-303-7918 | 203-303-7993 |
203-303-8XXX: 203-303-8258 | 203-303-8272 | 203-303-8273 | 203-303-8278 | 203-303-8282 | 203-303-8283 | 203-303-8500 | 203-303-8501 | 203-303-8507 | 203-303-8508 | 203-303-8680 | 203-303-8686 | 203-303-8687 | 203-303-8693 | 203-303-8696 | 203-303-8697 | 203-303-8778 | 203-303-8780 | 203-303-8783 | 203-303-8787 | 203-303-8788 |
203-303-9XXX: 203-303-9000 | 203-303-9005 | 203-303-9006 | 203-303-9009 | 203-303-9300 | 203-303-9302 | 203-303-9303 | 203-303-9306 | 203-303-9452 | 203-303-9453 | 203-303-9457 | 203-303-9460 | 203-303-9462 | 203-303-9465 | 203-303-9606 | 203-303-9609 | 203-303-9656 | 203-303-9681 | 203-303-9682 | 203-303-9684 | 203-303-9700 | 203-303-9701 | 203-303-9707 | 203-303-9753 | 203-303-9792 | 203-303-9793 | 203-303-9800 | 203-303-9808 | 203-303-9809 | 203-303-9900 | 203-303-9903 | 203-303-9907 | 203-303-9909 | 203-303-9962 |