603-923

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Phone Lookup Top Complaints Area Codes NPA-NXX iMessage

Raw Number	603923
Basic Format	603-923
NPA (Area Code)	603
NXX	923

Call Routing Data

NPA-NXX-X	OCN	Company	Rate Center	Use Type	Assign Date	City	State	Region	Block Effective Date	Block Available Date
603-923-0XXX	6386	BELL ATLANTIC MOBILE, INC	ROCHESTER	AS	05/18/2012	ROCHESTER	NH	NE	06/17/2012
603-923-1XXX	6386	BELL ATLANTIC MOBILE, INC	ROCHESTER	AS	01/05/2011	ROCHESTER	NH	NE	02/03/2011
603-923-2XXX	6386	BELL ATLANTIC MOBILE, INC	ROCHESTER	AS	08/03/2012	ROCHESTER	NH	NE	11/01/2012
603-923-3XXX	6386	BELL ATLANTIC MOBILE, INC	ROCHESTER	AS	04/07/2010	ROCHESTER	NH	NE	05/03/2010
603-923-4XXX	4017	LEVEL 3 COMMUNICATIONS, LLC - NH	ROCHESTER	RT		ROCHESTER	NH	NE
603-923-5XXX	4036	NEW CINGULAR WIRELESS PCS, LLC - DC	ROCHESTER	AS	08/03/2012	ROCHESTER	NH	NE	09/01/2012
603-923-6XXX	4017	LEVEL 3 COMMUNICATIONS, LLC - NH	ROCHESTER	AV		ROCHESTER	NH	NE		04/23/2024
603-923-7XXX	6386	BELL ATLANTIC MOBILE, INC	ROCHESTER	AS	03/28/2013	ROCHESTER	NH	NE	06/28/2013
603-923-8XXX	4036	NEW CINGULAR WIRELESS PCS, LLC - DC	ROCHESTER	AS	03/31/2010	ROCHESTER	NH	NE	04/12/2010
603-923-9XXX	4036	NEW CINGULAR WIRELESS PCS, LLC - DC	ROCHESTER	AS	05/27/2009	ROCHESTER	NH	NE	06/08/2009
603-923-XXXX	4017	LEVEL 3 COMMUNICATIONS, LLC - NH	ROCHESTER	AS		ROCHESTER	NH

Business/Government Phones on the 603-923 Prefix

Phone	Name	Address
603-923-2930	Warrior Welding LLC
603-923-3185	Vachon's Heating, LLC

Reports

Anonymous User from Forest Grove, Oregon

January 7, 2026 at 10:58 AM

603-923-4913 reported as a Robocall. Received on January 7, 2026 at 7:56 AM.

Anonymous User from Whitefish, Montana

September 12, 2025 at 10:42 AM

603-923-4834 reported as a Robocall. Received on September 12, 2025 at 6:32 AM.

Anonymous User from Franklin, Tennessee

August 6, 2025 at 10:49 AM

603-923-7628 reported as a Live Voice or Other. Received on August 6, 2025 at 9:30 PM.

Anonymous User from Franklin, Tennessee

August 6, 2025 at 10:42 AM

603-923-7628 reported as a Robocall. Received on August 6, 2025 at 9:20 AM.

Anonymous User from Bedford, New Hampshire

June 4, 2025 at 11:44 AM

603-923-4870 reported as a Robocall. Received on June 4, 2025 at 11:39 AM.
Call for Medical & prescriptions

Anonymous User from , NH

May 9, 2025 at 8:14 PM

603-923-4997 reported as a Robocall. Received on May 8, 2025 at 1:29 PM.

Anonymous User from Manchester, New Hampshire

April 3, 2025 at 1:29 PM

603-923-4611 reported as a Robocall. Received on April 3, 2025 at 12:33 PM.
Call for Medical & prescriptions

Anonymous User from Hudson, New Hampshire

March 13, 2025 at 11:51 AM

603-923-4282 reported as a Robocall. Received on March 13, 2025 at 10:42 AM.
Call for Energy, solar, & utilities

Anonymous User from Canaan, New Hampshire

February 17, 2025 at 8:48 AM

603-923-4930 reported as a Live Voice or Other. Received on February 17, 2025 at 8:40 AM.
Call for Medical & prescriptions

Anonymous User from Las Vegas, New Hampshire

December 1, 2024 at 5:22 PM

603-923-4598 reported as a unwanted call. Received on November 13, 2024 at 4:29 PM.

Anonymous User from Rochester, New Hampshire

November 19, 2024 at 11:22 AM

603-923-0806 reported as a Robocall. Received on November 14, 2024 at 11:17 AM.

Anonymous User from Rochester, New Hampshire

November 14, 2024 at 3:18 PM

603-923-0806 reported as a Robocall. Received on November 14, 2024 at 3:10 PM.

Anonymous User from Las Vegas, Nevada

November 13, 2024 at 7:31 PM

603-923-4598 reported as a unwanted call. Received on November 13, 2024 at 4:29 PM.

Anonymous User from Rochester, New Hampshire

October 9, 2024 at 3:23 PM

603-923-1474 reported as a Robocall. Received on October 9, 2024 at 1:38 PM.

Anonymous User from Hudson, New Hampshire

July 15, 2024 at 4:11 PM

603-923-4683 reported as a Robocall. Received on July 15, 2024 at 4:08 PM.

Anonymous User from , NH

February 15, 2024 at 4:47 PM

603-923-6591 reported as a Robocall. Received on February 15, 2024 at 4:44 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Milton, New Hampshire

January 22, 2024 at 6:57 AM

603-923-8833 reported as a Robocall. Received on January 22, 2024 at 6:24 AM.

Anonymous User from , AZ

December 19, 2023 at 5:54 PM

603-923-6615 reported as a Robocall. Received on December 19, 2023 at 1:15 PM.

Anonymous User from Eaton Center, New Hampshire

January 30, 2023 at 1:02 PM

603-923-3720 reported as a Live Voice or Other. Received on January 30, 2023 at 12:12 PM.
Call for Medical & prescriptions

Anonymous User from Capitan, NM

January 4, 2023 at 2:45 AM

603-923-4924 reported as a Live Voice. Received on January 4, 2023 at 6:16 PM.
Unwanted call for unknown
Caller ID indicated they called from 505-533-1776
Contacted via Internet (VOIP)

Anonymous User from Columbus, OH

December 29, 2022 at 7:20 PM

603-923-4924 reported as a Prerecorded Voice. Received on December 29, 2022 at 2:16 PM.
Unwanted call for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Columbus, OH

December 14, 2022 at 6:08 PM

603-923-4924 reported as a Prerecorded Voice. Received on December 14, 2022 at 1:02 PM.
Unwanted call for unknown
Contacted via Wired

Anonymous User from Spottsville, Kentucky

December 1, 2022 at 1:03 PM

603-923-4924 reported as a Robocall. Received on December 1, 2022 at 11:45 AM.

Anonymous User from West Hills, California

November 24, 2022 at 3:18 PM

603-923-4924 reported as a Robocall. Received on November 17, 2022 at 8:00 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Mt Lebanon, PA

November 15, 2022 at 3:53 PM

603-923-4924 reported as a Prerecorded Voice. Received on November 15, 2022 at 10:36 AM.
Unwanted call for unknown
Caller ID indicated they called from 412-506-9885
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Reston, Virginia

November 13, 2022 at 3:33 PM

603-923-4924 reported as a Robocall. Received on November 9, 2022 at 2:20 PM.

Anonymous User from Browns Mills, New Jersey

November 3, 2022 at 1:49 PM

603-923-4924 reported as a Robocall. Received on November 1, 2022 at 12:00 PM.

Anonymous User from West Hills, California

November 3, 2022 at 12:26 PM

603-923-4924 reported as a Robocall. Received on November 3, 2022 at 9:19 AM.

Anonymous User from Everett, WA

October 31, 2022 at 10:42 PM

603-923-4924 reported as a Prerecorded Voice. Received on October 31, 2022 at 12:50 PM.
Unwanted call for unknown
Contacted via Internet (VOIP)

Anonymous User from Nashville, TN

October 31, 2022 at 3:02 PM

603-923-4924 reported as a Prerecorded Voice. Received on October 31, 2022 at 9:52 AM.
Unwanted call for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Brookpark, Ohio

October 31, 2022 at 12:17 PM

603-923-4924 reported as a Robocall. Received on October 31, 2022 at 12:00 AM.
Call for No Subject Provided

Anonymous User from Southside, AR

October 26, 2022 at 3:14 PM

603-923-4924 reported as a Prerecorded Voice. Received on October 26, 2022 at 10:07 AM.
Unwanted call for unknown
Caller ID indicated they called from 870-497-1046
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , TN

October 18, 2022 at 5:52 PM

60392349241 reported as a Robocall. Received on October 18, 2022 at 11:56 AM.

Anonymous User from , NY

October 18, 2022 at 11:23 AM

603-923-4924 reported as a Robocall. Received on October 18, 2022 at 10:56 AM.

Anonymous User from Everett, WA

October 10, 2022 at 8:26 PM

603-923-4924 reported as a Prerecorded Voice. Received on October 10, 2022 at 11:09 AM.
Unwanted call for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Acworth, Georgia

October 6, 2022 at 10:23 AM

603-923-4924 reported as a Live Voice or Other. Received on October 6, 2022 at 10:06 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , NH

September 15, 2022 at 4:37 AM

603-923-2773 reported as a Robocall. Received on September 12, 2022 at 3:19 PM.

Anonymous User from Federal Way, Washington

July 25, 2022 at 1:28 PM

603-923-0196 reported as a Robocall. Received on July 25, 2022 at 10:26 AM.

Anonymous User from Mechanicsville, Virginia

June 21, 2022 at 12:55 PM

603-923-4924 reported as a Robocall. Received on June 20, 2022 at 12:59 PM.

Anonymous User from , SC

June 16, 2022 at 4:18 PM

603-923-4924 reported as a Robocall. Received on June 16, 2022 at 2:40 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , CA

July 20, 2016 at 6:51 PM

reported as a Live Voice. Received on July 19, 2016 at 6:48 AM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 603-923-4362
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Rochester, New Hampshire

November 30, -0001 at 12:00 AM

603-923-0806 reported as a Robocall. Received on November 30, -0001 at 12:00 AM.

Most 'popular' numbers on this prefix:

603-923-0XXX: 603-923-0000 | 603-923-0001 | 603-923-0003 | 603-923-0176 | 603-923-0178 | 603-923-0191 | 603-923-0192 | 603-923-0197 |
603-923-1XXX: 603-923-1000 | 603-923-1001 | 603-923-1003 | 603-923-1070 | 603-923-1071 | 603-923-1078 | 603-923-1400 | 603-923-1409 | 603-923-1414 | 603-923-1470 | 603-923-1471 | 603-923-1478 |
603-923-2XXX: 603-923-2700 | 603-923-2770 | 603-923-2777 |
603-923-3XXX: 603-923-3181 | 603-923-3182 | 603-923-3188 | 603-923-3194 | 603-923-3196 | 603-923-3197 | 603-923-3700 | 603-923-3720 | 603-923-3721 | 603-923-3723 | 603-923-3777 |
603-923-4XXX: 603-923-4200 | 603-923-4241 | 603-923-4242 | 603-923-4282 | 603-923-4283 | 603-923-4287 | 603-923-4300 | 603-923-4333 | 603-923-4350 | 603-923-4355 | 603-923-4400 | 603-923-4404 | 603-923-4409 | 603-923-4450 | 603-923-4455 | 603-923-4500 | 603-923-4508 | 603-923-4590 | 603-923-4595 | 603-923-4599 | 603-923-4600 | 603-923-4609 | 603-923-4680 | 603-923-4683 | 603-923-4688 | 603-923-4700 | 603-923-4730 | 603-923-4735 | 603-923-4737 | 603-923-4777 | 603-923-4800 | 603-923-4880 | 603-923-4888 | 603-923-4920 | 603-923-4922 | 603-923-4927 | 603-923-4932 | 603-923-4937 | 603-923-4938 |
603-923-6XXX: 603-923-6500 | 603-923-6501 | 603-923-6508 | 603-923-6590 | 603-923-6595 | 603-923-6599 | 603-923-6600 | 603-923-6610 | 603-923-6611 | 603-923-6612 | 603-923-6660 |
603-923-8XXX: 603-923-8800 | 603-923-8833 | 603-923-8837 | 603-923-8838 | 603-923-8880 |