203-321

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Phone Lookup Top Complaints Area Codes NPA-NXX iMessage

Raw Number	203321
Basic Format	203-321
NPA (Area Code)	203
NXX	321

Call Routing Data

NPA-NXX-X	OCN	Company	Rate Center	Use Type	Assign Date	City	State	Region	Block Effective Date
203-321-0XXX	9147	SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT	STAMFORD	RT		STAMFORD	CT	NE
203-321-1XXX	9147	SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT	STAMFORD	RT		STAMFORD	CT	NE
203-321-2XXX	9147	SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT	STAMFORD	RT		STAMFORD	CT	NE
203-321-3XXX	6388	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT	STAMFORD	AS	07/06/2011	STAMFORD	CT	NE	07/18/2011
203-321-4XXX	9147	SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT	STAMFORD	RT		STAMFORD	CT	NE
203-321-5XXX	6388	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT	STAMFORD	RT		STAMFORD	CT	NE
203-321-6XXX	6388	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT	STAMFORD	RT		STAMFORD	CT	NE
203-321-7XXX	6388	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT	STAMFORD	AS	07/06/2011	STAMFORD	CT	NE	07/18/2011
203-321-8XXX	9147	SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT	STAMFORD	RT		STAMFORD	CT	NE
203-321-9XXX	6388	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT	STAMFORD	RT		STAMFORD	CT	NE
203-321-XXXX	9147	SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT	STAMFORD	AS		STAMFORD	CT

Business/Government Phones on the 203-321 Prefix

Phone	Name	Address
203-321-1250	Remodeling Consultants
203-321-8689	Comfort Masters, LLC
203-321-0429	Acme	1201 High Ridge Road Stamford 06905 US
203-321-5435	540 Design Studio	330 Railroad Avenue Greenwich 06830 US
203-321-8440	Trader Joe's	1041 High Ridge Road Stamford 06905 US

Reports

Anonymous User from New Haven, Connecticut

April 21, 2026 at 10:42 AM

203-321-2120 reported as a Live Voice or Other. Received on April 21, 2026 at 9:45 AM.

Anonymous User from , CT

December 17, 2025 at 11:50 AM

203-321-2147 reported as a Live Voice or Other. Received on December 17, 2025 at 11:00 AM.
Call for No Subject Provided

Anonymous User from North Haven, Connecticut

February 28, 2025 at 10:00 AM

203-321-0867 reported as a Robocall. Received on February 28, 2025 at 10:00 AM.

Anonymous User from Somerset, New Jersey

September 25, 2024 at 9:58 AM

203-321-8302 reported as a Live Voice or Other. Received on September 25, 2024 at 9:54 AM.

Anonymous User from Brookfield, Connecticut

February 19, 2024 at 5:58 PM

203-321-4231 reported as a Robocall. Received on February 19, 2024 at 5:54 PM.

Anonymous User from , CT

January 18, 2024 at 11:23 AM

203-321-1011 reported as a Live Voice or Other. Received on January 18, 2024 at 11:25 AM.
Call for No Subject Provided

Anonymous User from , CT

March 23, 2023 at 9:22 AM

203-321-3120 reported as a Robocall. Received on March 22, 2023 at 9:56 AM.

Anonymous User from , MO

October 7, 2022 at 4:13 PM

203-321-8024 reported as a unwanted call. Received on October 7, 2022 at 2:43 PM.
Call for No Subject Provided

Anonymous User from Stanardsville, VA

January 14, 2022 at 12:00 AM

None reported as a Prerecorded Voice. Received on January 14, 2022 at 10:00 AM.
Unwanted call for Auto Warranty Services
Caller ID indicated they called from 203-321-8657
Contacted via Wireless (cell phone/other mobile device)

Most 'popular' numbers on this prefix:

203-321-0XXX: 203-321-0800 | 203-321-0806 | 203-321-0808 | 203-321-0860 | 203-321-0862 | 203-321-0867 |
203-321-1XXX: 203-321-1000 | 203-321-1001 | 203-321-1003 | 203-321-1010 | 203-321-1014 | 203-321-1015 | 203-321-1212 | 203-321-1222 | 203-321-1234 | 203-321-1250 | 203-321-1255 | 203-321-1259 | 203-321-1600 | 203-321-1606 | 203-321-1608 | 203-321-1680 | 203-321-1685 | 203-321-1688 |
203-321-3XXX: 203-321-3100 | 203-321-3122 | 203-321-3123 | 203-321-3125 | 203-321-3196 | 203-321-3197 | 203-321-3400 | 203-321-3460 | 203-321-3462 | 203-321-3465 | 203-321-3500 | 203-321-3501 | 203-321-3508 | 203-321-3550 |
203-321-4XXX: 203-321-4200 | 203-321-4230 | 203-321-4232 | 203-321-4236 | 203-321-4241 |
203-321-5XXX: 203-321-5100 | 203-321-5150 | 203-321-5151 | 203-321-5154 | 203-321-5300 | 203-321-5320 | 203-321-5330 | 203-321-5350 | 203-321-5353 | 203-321-5355 | 203-321-5400 | 203-321-5408 | 203-321-5430 | 203-321-5432 | 203-321-5435 | 203-321-5440 |
203-321-7XXX: 203-321-7600 | 203-321-7608 | 203-321-7609 | 203-321-7654 | 203-321-7658 |
203-321-8XXX: 203-321-8000 | 203-321-8009 | 203-321-8020 | 203-321-8022 | 203-321-8023 | 203-321-8080 | 203-321-8300 | 203-321-8303 | 203-321-8305 | 203-321-8330 | 203-321-8600 | 203-321-8601 | 203-321-8660 | 203-321-8680 | 203-321-8686 | 203-321-8687 |
203-321-9XXX: 203-321-9400 | 203-321-9404 | 203-321-9409 | 203-321-9440 | 203-321-9900 | 203-321-9983 | 203-321-9987 | 203-321-9988 | 203-321-9990 | 203-321-9999 |