603-951

You are reviewing the Area Code (NPA/NXX) report for 603-951. Did you mean to search the SMS short code 603951?

North American Phone Intelligence

Search a phone number, area code, exchange, or short code

Paste raw digits, a formatted phone number, an area code, an NPA-NXX block, or a short code. US and Canada phone lookups route automatically, and international iMessage checks are available separately.

Phone Lookup Top Complaints Area Codes NPA-NXX iMessage

Raw Number	603951
Basic Format	603-951
NPA (Area Code)	603
NXX	951

Call Routing Data

NPA-NXX-X	OCN	Company	Rate Center	Use Type	Assign Date	City	State	Region	Block Effective Date	Block Available Date
603-951-0XXX	6386	BELL ATLANTIC MOBILE, INC	MILAN	AS	06/21/2022	MILAN	NH	NE	07/01/2022
603-951-1XXX	4017	LEVEL 3 COMMUNICATIONS, LLC - NH	MILAN	AV		MILAN	NH	NE		06/18/2008
603-951-2XXX	6889	OMNIPOINT MIAMI E LICENSE, LLC	MILAN	AS	11/06/2025	MILAN	NH	NE	12/05/2025
603-951-3XXX	4017	LEVEL 3 COMMUNICATIONS, LLC - NH	MILAN	AV		MILAN	NH	NE		06/18/2008
603-951-4XXX	4017	LEVEL 3 COMMUNICATIONS, LLC - NH	MILAN	RT		MILAN	NH	NE
603-951-5XXX	4017	LEVEL 3 COMMUNICATIONS, LLC - NH	MILAN	AV		MILAN	NH	NE		06/18/2008
603-951-6XXX	4017	LEVEL 3 COMMUNICATIONS, LLC - NH	MILAN	AV		MILAN	NH	NE		06/18/2008
603-951-7XXX	4017	LEVEL 3 COMMUNICATIONS, LLC - NH	MILAN	AV		MILAN	NH	NE		06/18/2008
603-951-8XXX	4017	LEVEL 3 COMMUNICATIONS, LLC - NH	MILAN	AV		MILAN	NH	NE		06/18/2008
603-951-9XXX	4017	LEVEL 3 COMMUNICATIONS, LLC - NH	MILAN	AV		MILAN	NH	NE		06/18/2008
603-951-XXXX	4017	LEVEL 3 COMMUNICATIONS, LLC - NH	MILAN	AS		MILAN	NH

Reports

Anonymous User from Nashville, Tennessee

January 9, 2026 at 11:43 AM

603-951-4898 reported as a Live Voice or Other. Received on January 9, 2026 at 10:37 AM.

Anonymous User from Brookfield, New Hampshire

December 10, 2025 at 1:40 PM

603-951-4730 reported as a Robocall. Received on December 10, 2025 at 12:22 PM.
Call for Home improvement & cleaning

Anonymous User from Windham, New Hampshire

September 27, 2025 at 2:45 PM

603-951-4019 reported as a Live Voice or Other. Received on September 24, 2025 at 4:00 PM.
Call for Dropped call or no message

Anonymous User from , NH

August 26, 2025 at 2:47 PM

603-951-4539 reported as a unwanted call. Received on August 21, 2025 at 11:47 AM.

Anonymous User from Hudson, New Hampshire

May 21, 2025 at 3:33 PM

603-951-4699 reported as a Robocall. Received on May 20, 2025 at 12:40 PM.
Call for Medical & prescriptions

Anonymous User from , NH

May 16, 2025 at 2:30 PM

603-951-4958 reported as a Robocall. Received on May 16, 2025 at 2:23 PM.

Anonymous User from , NH

May 9, 2025 at 8:15 PM

603-951-4063 reported as a Robocall. Received on May 9, 2025 at 2:36 PM.

Anonymous User from Meredith, New Hampshire

May 9, 2025 at 9:11 AM

603-951-4038 reported as a Robocall. Received on May 9, 2025 at 9:05 AM.
Call for Medical & prescriptions

Anonymous User from Npb, New Hampshire

March 26, 2025 at 6:40 PM

603-951-4384 reported as a Robocall. Received on March 26, 2025 at 6:37 PM.

Anonymous User from Nashua, New Hampshire

March 10, 2025 at 2:32 PM

603-951-4839 reported as a Robocall. Received on March 7, 2025 at 10:50 AM.
Call for Dropped call or no message

Anonymous User from Windham, New Hampshire

November 30, 2024 at 8:37 AM

603-951-4675 reported as a Live Voice or Other. Received on November 29, 2024 at 12:43 PM.
Call for Dropped call or no message

Anonymous User from Rochester, New Hampshire

November 21, 2024 at 8:33 AM

603-951-4184 reported as a Robocall. Received on November 21, 2024 at 8:30 AM.
Call for Medical & prescriptions

Anonymous User from Hudson, New Hampshire

October 29, 2024 at 6:50 PM

603-951-4985 reported as a unwanted call. Received on October 29, 2024 at 6:07 PM.
Call for Dropped call or no message

Anonymous User from Windham, New Hampshire

June 25, 2024 at 3:13 PM

603-951-4490 reported as a unwanted call. Received on June 25, 2024 at 12:00 AM.
Call for No Subject Provided

Anonymous User from Hudson, New Hampshire

May 20, 2024 at 10:48 AM

603-951-4367 reported as a Robocall. Received on May 20, 2024 at 10:44 AM.

Anonymous User from Milford, New Hampshire

May 15, 2024 at 4:31 PM

603-951-6480 reported as a Robocall. Received on May 15, 2024 at 4:22 PM.

Anonymous User from Mont Vernon, New Hampshire

April 29, 2024 at 2:11 PM

603-951-2903 reported as a Live Voice or Other. Received on April 29, 2024 at 12:36 PM.
Call for Dropped call or no message

Anonymous User from , NH

April 25, 2024 at 9:50 AM

603-951-4186 reported as a Robocall. Received on April 25, 2024 at 9:30 AM.
Call for No Subject Provided

Anonymous User from , NH

January 11, 2024 at 9:42 AM

603-951-3687 reported as a Robocall. Received on January 11, 2024 at 8:45 AM.
Call for Medical & prescriptions

Anonymous User from Nashua, New Hampshire

February 22, 2023 at 1:16 PM

603-951-4396 reported as a Robocall. Received on February 20, 2023 at 2:12 PM.
Call for Dropped call or no message

Anonymous User from Jaffrey, New Hampshire

November 8, 2022 at 1:53 PM

603-951-5057 reported as a Live Voice or Other. Received on November 5, 2022 at 12:00 AM.
Call for Dropped call or no message

Anonymous User from Manchester, New Hampshire

September 2, 2022 at 2:31 PM

603-951-4694 reported as a unwanted call. Received on September 2, 2022 at 11:27 AM.

Anonymous User from Ellicott City, MD

March 11, 2021 at 10:40 PM

None reported as a Abandoned Calls. Received on March 11, 2021 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 603-951-4598
Contacted via Wired

Anonymous User from Columbus, OH

January 25, 2021 at 6:58 PM

None reported as a Abandoned Calls. Received on January 25, 2021 at 1:37 PM.
Unwanted call for unknown
Caller ID indicated they called from 603-951-4018
Contacted via Internet (VOIP)

Most 'popular' numbers on this prefix:

603-951-2XXX: 603-951-2900 | 603-951-2901 | 603-951-2907 | 603-951-2992 | 603-951-2998 |
603-951-3XXX: 603-951-3600 | 603-951-3666 | 603-951-3680 | 603-951-3681 | 603-951-3688 |
603-951-4XXX: 603-951-4000 | 603-951-4010 | 603-951-4015 | 603-951-4017 | 603-951-4020 | 603-951-4100 | 603-951-4120 | 603-951-4180 | 603-951-4181 | 603-951-4188 | 603-951-4300 | 603-951-4330 | 603-951-4350 | 603-951-4360 | 603-951-4363 | 603-951-4365 | 603-951-4400 | 603-951-4401 | 603-951-4444 | 603-951-4490 | 603-951-4498 | 603-951-4499 | 603-951-4500 | 603-951-4508 | 603-951-4590 | 603-951-4595 | 603-951-4599 | 603-951-4600 | 603-951-4666 | 603-951-4670 | 603-951-4675 | 603-951-4800 | 603-951-4805 | 603-951-4830 | 603-951-4833 | 603-951-4835 | 603-951-4888 | 603-951-4900 | 603-951-4950 | 603-951-4980 | 603-951-4988 | 603-951-4989 |
603-951-5XXX: 603-951-5000 | 603-951-5001 | 603-951-5008 | 603-951-5050 | 603-951-5052 | 603-951-5055 |
603-951-6XXX: 603-951-6401 | 603-951-6403 | 603-951-6455 | 603-951-6483 | 603-951-6487 | 603-951-6489 |