603-451

You are reviewing the Area Code (NPA/NXX) report for 603-451. Did you mean to search the SMS short code 603451?

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Phone Lookup Top Complaints Area Codes NPA-NXX iMessage

Raw Number	603451
Basic Format	603-451
NPA (Area Code)	603
NXX	451

Call Routing Data

NPA-NXX-X	OCN	Company	Rate Center	Use Type	Assign Date	City	State	Region	Block Effective Date
603-451-0XXX	6889	OMNIPOINT MIAMI E LICENSE, LLC	CONCORD	AS	03/08/2021	CONCORD	NH	NE	04/13/2021
603-451-1XXX	637E	ONVOY, LLC - NH	CONCORD	AS	03/25/2021	CONCORD	NH	NE	04/23/2021
603-451-2XXX	637E	ONVOY, LLC - NH	CONCORD	AS	07/07/2021	CONCORD	NH	NE	08/02/2021
603-451-3XXX	6889	OMNIPOINT MIAMI E LICENSE, LLC	CONCORD	AS	08/25/2020	CONCORD	NH	NE	09/04/2020
603-451-4XXX	6889	OMNIPOINT MIAMI E LICENSE, LLC	CONCORD	AS	10/07/2020	CONCORD	NH	NE	11/06/2020
603-451-5XXX	6889	OMNIPOINT MIAMI E LICENSE, LLC	CONCORD	AS	12/09/2020	CONCORD	NH	NE	12/21/2020
603-451-6XXX	927H	PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH	CONCORD	AS	11/18/2020	CONCORD	NH	NE	12/18/2020
603-451-7XXX	4036	NEW CINGULAR WIRELESS PCS, LLC - DC	CONCORD	AS	04/09/2020	CONCORD	NH	NE	05/23/2020
603-451-8XXX	4036	NEW CINGULAR WIRELESS PCS, LLC - DC	CONCORD	AS	04/09/2020	CONCORD	NH	NE	05/23/2020
603-451-9XXX	4036	NEW CINGULAR WIRELESS PCS, LLC - DC	CONCORD	AS	04/09/2020	CONCORD	NH	NE	05/23/2020
603-451-XXXX	4036	NEW CINGULAR WIRELESS PCS, LLC - DC	CONCORD	AS	04/08/2020	CONCORD	NH

Business/Government Phones on the 603-451 Prefix

Phone	Name	Address
603-451-1260	KDD Painting, LLC
603-451-6363	Bin There Dump That Of New England

Reports

Anonymous User from New Market, New Hampshire

April 20, 2026 at 10:29 AM

603-451-2190 reported as a Robocall. Received on April 20, 2026 at 10:18 AM.

Anonymous User from , NH

April 16, 2026 at 9:58 PM

603-451-6735 reported as a Live Voice or Other. Received on April 16, 2026 at 12:00 AM.
Call for Home improvement & cleaning

Anonymous User from North Haverhill, New Hampshire

April 10, 2026 at 1:34 PM

603-451-2415 reported as a Live Voice or Other. Received on April 10, 2026 at 12:52 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from North Haverhill, New Hampshire

April 10, 2026 at 1:28 PM

603-451-2415 reported as a Live Voice or Other. Received on April 10, 2026 at 12:52 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , NH

March 26, 2026 at 1:36 PM

603-451-2817 reported as a unwanted call. Received on March 25, 2026 at 4:42 PM.
Call for Dropped call or no message

Anonymous User from , NH

March 26, 2026 at 1:35 PM

603-451-2865 reported as a unwanted call. Received on March 26, 2026 at 1:33 PM.
Call for Dropped call or no message

Anonymous User from , NH

March 26, 2026 at 1:34 PM

603-451-2865 reported as a unwanted call. Received on March 24, 2026 at 1:43 PM.
Call for Dropped call or no message

Anonymous User from Sarasota, Louisiana

March 20, 2026 at 9:24 AM

603-451-2868 reported as a Robocall. Received on March 19, 2026 at 1:33 PM.
Call for No Subject Provided

Anonymous User from Manchester, New Hampshire

March 19, 2026 at 11:13 AM

603-451-2197 reported as a Robocall. Received on March 19, 2026 at 10:51 AM.

Anonymous User from Milton, New Hampshire

March 17, 2026 at 9:56 AM

603-451-2203 reported as a Robocall. Received on March 17, 2026 at 9:40 AM.

Anonymous User from Forest Grove, Oregon

March 12, 2026 at 4:35 PM

603-451-2343 reported as a Robocall. Received on March 12, 2026 at 9:39 AM.

Anonymous User from Bayfield, Colorado

February 19, 2026 at 10:05 PM

603-451-2805 reported as a Robocall. Received on February 19, 2026 at 5:29 PM.

Anonymous User from , NY

February 3, 2026 at 6:32 AM

603-451-6280 reported as a Robocall. Received on September 4, 2025 at 6:39 PM.

Anonymous User from Hampton, New Hampshire

January 28, 2026 at 6:23 PM

603-451-2374 reported as a Robocall. Received on October 7, 2025 at 5:07 PM.

Anonymous User from Antrim, New Hampshire

December 10, 2025 at 3:56 PM

603-451-6348 reported as a Robocall. Received on December 5, 2025 at 9:00 AM.

Anonymous User from , NH

November 14, 2025 at 8:55 AM

603-451-1385 reported as a Live Voice or Other. Received on November 13, 2025 at 12:00 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from , NY

September 17, 2025 at 12:01 PM

603-451-6835 reported as a unwanted call. Received on September 16, 2025 at 5:47 PM.
Call for No Subject Provided

Anonymous User from , NH

September 10, 2025 at 5:37 PM

603-451-6846 reported as a Live Voice or Other. Received on September 10, 2025 at 5:31 PM.
Call for Dropped call or no message

Anonymous User from Forest Grove, Oregon

September 10, 2025 at 11:01 AM

603-451-1454 reported as a Live Voice or Other. Received on September 9, 2025 at 11:57 AM.

Anonymous User from Albany, New York

September 2, 2025 at 7:18 PM

603-451-2809 reported as a Robocall. Received on September 2, 2025 at 7:08 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Nashua, New Hampshire

August 27, 2025 at 5:46 PM

603-451-2185 reported as a Robocall. Received on August 26, 2025 at 11:01 AM.

Anonymous User from , NY

August 22, 2025 at 12:12 PM

603-451-2633 reported as a Robocall. Received on August 2, 2025 at 10:48 AM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Ada, Oklahoma

August 22, 2025 at 6:59 AM

603-451-1249 reported as a unwanted call. Received on August 6, 2025 at 10:44 AM.

Anonymous User from Brooklyn, Michigan

August 21, 2025 at 4:34 PM

603-451-1261 reported as a Robocall. Received on August 21, 2025 at 3:29 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Nesconset, New York

August 11, 2025 at 5:06 PM

603-451-1249 reported as a unwanted call. Received on August 8, 2025 at 1:18 PM.
Call for No Subject Provided

Anonymous User from Amherst, New Hampshire

August 11, 2025 at 3:57 PM

603-451-6341 reported as a Robocall. Received on August 5, 2025 at 11:50 AM.

Anonymous User from , NH

August 5, 2025 at 5:26 PM

603-451-2455 reported as a Live Voice or Other. Received on August 5, 2025 at 10:53 AM.
Call for Dropped call or no message

Anonymous User from , FL

June 4, 2025 at 2:59 PM

603-451-6449 reported as a Robocall. Received on June 4, 2025 at 1:18 PM.
Call for Vacation & timeshares

Anonymous User from Hooksett, New Hampshire

May 30, 2025 at 5:20 PM

603-451-1604 reported as a Live Voice or Other. Received on May 30, 2025 at 5:18 PM.
Call for Medical & prescriptions

Anonymous User from Dover, New Hampshire

May 30, 2025 at 4:18 PM

603-451-2185 reported as a Live Voice or Other. Received on May 30, 2025 at 12:47 PM.
Call for Dropped call or no message

Anonymous User from Springfield, Mo, Missouri

May 21, 2025 at 11:53 AM

603-451-2591 reported as a Robocall. Received on May 21, 2025 at 10:50 AM.

Anonymous User from , FL

May 16, 2025 at 9:05 AM

603-451-6449 reported as a Robocall. Received on May 13, 2025 at 8:52 AM.
Call for Vacation & timeshares

Anonymous User from , FL

May 16, 2025 at 9:03 AM

603-451-6449 reported as a Robocall. Received on May 16, 2025 at 8:54 AM.
Call for Vacation & timeshares

Anonymous User from Hillsboro, New Hampshire

April 16, 2025 at 10:56 AM

603-451-2455 reported as a Live Voice or Other. Received on April 15, 2025 at 8:00 AM.
Call for Charities

Anonymous User from Bow, New Hampshire

April 4, 2025 at 5:20 PM

603-451-6085 reported as a Live Voice or Other. Received on April 4, 2025 at 5:13 PM.
Call for Vacation & timeshares

Anonymous User from Washington, District of Columbia

March 5, 2025 at 10:57 AM

603-451-2976 reported as a Live Voice or Other. Received on March 5, 2025 at 10:55 AM.

Anonymous User from Hudson, New Hampshire

February 10, 2025 at 6:17 PM

603-451-1379 reported as a Robocall. Received on February 10, 2025 at 5:53 PM.
Call for Energy, solar, & utilities

Anonymous User from Grantham, New Hampshire

February 6, 2025 at 3:38 PM

603-451-2621 reported as a Live Voice or Other. Received on February 6, 2025 at 1:17 PM.
Call for Medical & prescriptions

Anonymous User from San Jose, California

February 5, 2025 at 5:19 PM

603-451-6371 reported as a Robocall. Received on February 4, 2025 at 9:02 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , NH

February 3, 2025 at 12:15 PM

603-451-6938 reported as a Robocall. Received on February 3, 2025 at 12:07 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Ridgecrest, New Hampshire

January 15, 2025 at 11:54 AM

603-451-2415 reported as a Robocall. Received on January 14, 2025 at 11:56 AM.
Call for Dropped call or no message

Anonymous User from Providence, RI

December 17, 2024 at 6:21 PM

reported as a Live Voice. Received on December 17, 2024 at 1:09 PM.
Unwanted call for Other Services
Caller ID indicated they called from 603-451-2740
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Brookline, New Hampshire

December 7, 2024 at 3:57 PM

603-451-6423 reported as a unwanted call. Received on December 7, 2024 at 9:35 AM.
Call for No Subject Provided

Anonymous User from Hudson, New Hampshire

December 2, 2024 at 9:05 AM

603-451-6363 reported as a Robocall. Received on December 2, 2024 at 9:02 AM.
Call for Medical & prescriptions

Anonymous User from Nashua, New Hampshire

November 25, 2024 at 1:16 PM

603-451-2415 reported as a Robocall. Received on November 25, 2024 at 10:55 AM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from ,

November 19, 2024 at 10:05 AM

603-451-6487 reported as a Robocall. Received on November 19, 2024 at 12:00 AM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from , NH

October 16, 2024 at 10:37 AM

603-451-6767 reported as a Robocall. Received on September 19, 2024 at 6:55 PM.

Anonymous User from , NH

October 16, 2024 at 10:34 AM

603-451-6767 reported as a Robocall. Received on October 16, 2024 at 12:00 AM.

Anonymous User from Phoenix, Arizona

October 7, 2024 at 5:04 PM

603-451-6452 reported as a Robocall. Received on October 7, 2024 at 1:16 PM.
Call for Dropped call or no message

Anonymous User from Ctr Ossipee, New Hampshire

September 22, 2024 at 11:26 AM

603-451-2567 reported as a Robocall. Received on August 7, 2024 at 4:27 PM.

Anonymous User from Milton, New Hampshire

August 28, 2024 at 11:48 AM

603-451-6948 reported as a Robocall. Received on August 28, 2024 at 11:34 AM.
Call for Dropped call or no message

Anonymous User from , TX

August 26, 2024 at 7:12 AM

603-451-6489 reported as a unwanted call. Received on August 19, 2024 at 9:54 AM.
Call for Dropped call or no message

Anonymous User from Bedford, New Hampshire

August 20, 2024 at 2:53 PM

603-451-2974 reported as a Live Voice or Other. Received on August 10, 2024 at 9:49 AM.
Call for Dropped call or no message

Anonymous User from , SD

August 14, 2024 at 9:33 PM

603-451-6851 reported as a Robocall. Received on August 13, 2024 at 3:53 PM.
Call for Dropped call or no message

Anonymous User from Bedford, New Hampshire

August 13, 2024 at 10:18 AM

603-451-2591 reported as a Robocall. Received on August 13, 2024 at 10:12 AM.
Call for Charities

Anonymous User from Whitefish, Montana

August 8, 2024 at 12:52 PM

603-451-2966 reported as a Robocall. Received on August 8, 2024 at 10:12 AM.

Anonymous User from , NH

August 6, 2024 at 3:28 PM

603-451-2561 reported as a Live Voice or Other. Received on August 6, 2024 at 3:21 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Boscawen, New Hampshire

August 1, 2024 at 11:57 AM

603-451-6883 reported as a Live Voice or Other. Received on August 1, 2024 at 11:56 AM.
Call for Medical & prescriptions

Anonymous User from Boscawen, New Hampshire

August 1, 2024 at 11:45 AM

603-451-6883 reported as a Live Voice or Other. Received on August 1, 2024 at 11:44 AM.
Call for Medical & prescriptions

Anonymous User from Nashua, New Hampshire

July 27, 2024 at 7:41 PM

603-451-2994 reported as a Live Voice or Other. Received on July 17, 2024 at 2:26 PM.

Anonymous User from , OR

July 26, 2024 at 12:26 PM

603-451-2751 reported as a Live Voice or Other. Received on July 26, 2024 at 12:26 PM.
Call for Dropped call or no message

Anonymous User from Milton, New Hampshire

July 22, 2024 at 4:58 PM

603-451-2769 reported as a Robocall. Received on July 22, 2024 at 4:26 PM.
Call for Dropped call or no message

Anonymous User from Stockton, California

July 9, 2024 at 1:37 AM

603-451-4900 reported as a Robocall. Received on July 1, 2024 at 10:51 AM.

Anonymous User from , TX

July 1, 2024 at 1:41 PM

603-451-2550 reported as a Live Voice or Other. Received on June 24, 2024 at 1:54 PM.

Anonymous User from , NH

June 26, 2024 at 2:57 PM

603-451-6949 reported as a Robocall. Received on June 26, 2024 at 2:50 PM.
Call for Computer & technical support

Anonymous User from Oklahoma City, OK

June 21, 2024 at 7:22 PM

reported as a Live Voice. Received on June 21, 2024 at 12:00 AM.
Unwanted call for Google Listings Services
Caller ID indicated they called from 603-451-6422
Contacted via Wired

Anonymous User from West Milton, Ohio

June 19, 2024 at 8:10 PM

603-451-6856 reported as a Robocall. Received on June 19, 2024 at 11:51 AM.
Call for Medical & prescriptions

Anonymous User from , VA

June 19, 2024 at 10:57 AM

603-451-6559 reported as a Robocall. Received on June 19, 2024 at 10:16 AM.

Anonymous User from Clarksville, Tennessee

June 14, 2024 at 1:17 PM

603-451-2171 reported as a Live Voice or Other. Received on June 14, 2024 at 9:46 AM.

Anonymous User from , NH

June 3, 2024 at 11:19 AM

603-451-2416 reported as a Robocall. Received on June 3, 2024 at 11:10 AM.
Call for Computer & technical support

Anonymous User from Dover, New Hampshire

May 23, 2024 at 5:59 PM

603-451-6507 reported as a Robocall. Received on May 23, 2024 at 9:21 AM.
Call for Medical & prescriptions

Anonymous User from Hudson, New Hampshire

May 23, 2024 at 9:05 AM

603-451-6523 reported as a Live Voice or Other. Received on May 23, 2024 at 8:59 AM.

Anonymous User from , NH

May 20, 2024 at 9:54 AM

603-451-6371 reported as a Live Voice or Other. Received on May 20, 2024 at 9:50 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Raymond, New Hampshire

May 15, 2024 at 12:53 PM

603-451-2780 reported as a Live Voice or Other. Received on May 15, 2024 at 11:57 AM.

Anonymous User from Lakewood, Washington

May 2, 2024 at 3:14 PM

603-451-6535 reported as a Live Voice or Other. Received on May 2, 2024 at 12:01 PM.

Anonymous User from Metairie, Louisiana

April 30, 2024 at 3:25 PM

603-451-6651 reported as a Live Voice or Other. Received on April 30, 2024 at 1:50 PM.

Anonymous User from Wolfeboro, New Hampshire

April 29, 2024 at 10:14 AM

603-451-1266 reported as a unwanted call. Received on April 28, 2024 at 12:00 AM.

Anonymous User from Washington, New Hampshire

April 26, 2024 at 6:35 PM

603-451-1265 reported as a unwanted call. Received on April 26, 2024 at 6:20 PM.

Anonymous User from York, Maine

April 19, 2024 at 9:45 AM

603-451-6792 reported as a Robocall. Received on April 19, 2024 at 9:30 AM.
Call for Medical & prescriptions

Anonymous User from Portsmouth, New Hampshire

April 9, 2024 at 11:35 AM

603-451-6711 reported as a Robocall. Received on April 9, 2024 at 10:08 AM.

Anonymous User from , NH

March 29, 2024 at 10:47 AM

603-451-6232 reported as a Robocall. Received on March 29, 2024 at 12:00 AM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Oakley, California

March 10, 2024 at 12:41 AM

603-451-6574 reported as a unwanted call. Received on January 18, 2024 at 11:01 AM.
Call for No Subject Provided

Anonymous User from , CT

March 8, 2024 at 11:22 AM

603-451-6953 reported as a Live Voice or Other. Received on March 8, 2024 at 11:19 AM.
Call for No Subject Provided

Anonymous User from , NH

March 5, 2024 at 1:39 PM

603-451-6548 reported as a Robocall. Received on March 5, 2024 at 1:34 PM.

Anonymous User from Munising, Michigan

March 2, 2024 at 6:13 PM

603-451-7759 reported as a unwanted call. Received on March 2, 2024 at 1:55 PM.
Call for No Subject Provided