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603-373

You are reviewing the Area Code (NPA/NXX) report for 603-373. Did you mean to search the SMS short code 603373?

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Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
Examples: 206-739-5800, 206, 206-739, 48369
Raw Number603373
Basic Format603-373
NPA (Area Code)603
NXX373

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
603-373-0XXX318JCOMCAST IP PHONE, LLCPORTSMOUTHAS11/08/2000PORTSMOUTHNHNE01/01/2001
603-373-1XXX829JPAETEC ITEL, LLCPORTSMOUTHAS10/13/2004PORTSMOUTHNHNE11/01/2004
603-373-2XXX7421AT&T - LOCALPORTSMOUTHAS06/12/2001PORTSMOUTHNHNE07/01/2001
603-373-3XXX145JTERRA NOVA TELECOM INC.PORTSMOUTHAS04/28/2021PORTSMOUTHNHNE05/27/2021
603-373-4XXX8299TELEPORT COMMUNICATIONS AMERICA, LLC - NHPORTSMOUTHAS04/01/2004PORTSMOUTHNHNE04/18/2004
603-373-5XXX4053CONVERSENT COMMUNICATIONS OF NEW HAMPSHIRE, LLCPORTSMOUTHRTPORTSMOUTHNHNE
603-373-6XXX829JPAETEC ITEL, LLCPORTSMOUTHRTPORTSMOUTHNHNE
603-373-7XXX829JPAETEC ITEL, LLCPORTSMOUTHAS07/11/2005PORTSMOUTHNHNE08/05/2005
603-373-8XXX318JCOMCAST IP PHONE, LLCPORTSMOUTHAS01/23/2003PORTSMOUTHNHNE02/04/2003
603-373-9XXX829JPAETEC ITEL, LLCPORTSMOUTHAS05/16/2000PORTSMOUTHNHNE07/03/2000
603-373-XXXX829JPAETEC ITEL, LLCPORTSMOUTHASPORTSMOUTHNH

Business/Government Phones on the 603-373 Prefix

PhoneNameAddress
603-373-0394David Pelletier Construction Company, Inc.
603-373-6185Port City Coin & Jewelry, LLC
603-373-0570Kaffee Vonsolln79 Daniel Street Portsmouth US
603-373-0699MaxCharles Hair Studio168 Fleet Street Portsmouth 03801 US
603-373-1002Port City Makerspace68 Morning Street Portsmouth 03801 US
603-373-2158Lowe's1440 Greenland Road Greenland 03840 US
603-373-6001Mr. Kim's107 State Street US
603-373-6185Port City Coin & Jewelry599 Lafayette Road Portsmouth 03801 US
603-373-8020SunocoUS
603-373-8328Nik & Charlie's Pizzeria437 Portsmouth Avenue Greenland 03840 US
603-373-8401La Maison Navarre121 Congress Street Portsmouth 03801 US
603-373-8415The Goods29 Vaughan Mall US
603-373-8668Salud at The Green2454 Lafayette Road Portsmouth 03801 US
603-373-8813Sōl Sunwear68 State Street Portsmouth 03801 US
603-373-88715 Thai Bistro40 Pleasant Street Portsmouth 03801 US

Reports

Anonymous User from , NH

January 22, 2026 at 6:53 PM

603-373-8019 reported as a Robocall. Received on January 19, 2026 at 6:23 PM.

Anonymous User from Laconia, New Hampshire

July 8, 2025 at 10:47 AM

603-373-1615 reported as a Live Voice or Other. Received on July 6, 2025 at 12:00 AM.

Anonymous User from Manchester, New Hampshire

May 31, 2025 at 4:28 PM

603-373-5150 reported as a Robocall. Received on May 31, 2025 at 4:23 PM.
Call for Home improvement & cleaning

Anonymous User from Berlin, New Hampshire

February 7, 2025 at 12:39 AM

603-373-2566 reported as a Robocall. Received on February 4, 2025 at 1:35 PM.
Call for Medical & prescriptions

Anonymous User from Weare, New Hampshire

January 28, 2025 at 10:38 AM

603-373-8783 reported as a Robocall. Received on January 28, 2025 at 10:15 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , NH

January 13, 2025 at 2:37 PM

603-373-0192 reported as a Robocall. Received on January 8, 2025 at 6:35 PM.

Anonymous User from , NH

September 24, 2024 at 7:36 PM

603-373-7523 reported as a Robocall. Received on August 30, 2024 at 11:28 AM.
Call for Medical & prescriptions

Anonymous User from Tuckasegee, NC

August 5, 2024 at 5:06 PM

603-373-1357 reported as a Live Voice. Received on August 5, 2024 at 11:31 AM.
Unwanted call for Mortgage Loans Services
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Windham, New Hampshire

July 30, 2024 at 10:13 PM

603-373-6817 reported as a Live Voice or Other. Received on July 30, 2024 at 4:32 PM.
Call for Dropped call or no message

Anonymous User from Carlisle, Pennsylvania

May 27, 2024 at 10:35 AM

603-373-0698 reported as a unwanted call. Received on May 24, 2024 at 3:40 PM.

Anonymous User from Belen, New Hampshire

March 18, 2024 at 2:24 PM

603-373-8060 reported as a Robocall. Received on March 18, 2024 at 12:23 PM.
Call for Medical & prescriptions

Anonymous User from Hooksett, New Hampshire

February 23, 2024 at 8:15 AM

603373659 reported as a Robocall. Received on February 23, 2024 at 8:14 AM.
Call for Medical & prescriptions

Anonymous User from Concord, New Hampshire

December 5, 2023 at 9:08 PM

603-373-4170 reported as a Live Voice or Other. Received on December 5, 2023 at 9:02 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Nashua, New Hampshire

November 16, 2023 at 11:25 AM

603-373-4721 reported as a Live Voice or Other. Received on November 16, 2023 at 11:22 AM.

Anonymous User from , MA

November 15, 2023 at 6:26 PM

603-373-1991 reported as a Robocall. Received on November 15, 2023 at 12:00 AM.
Call for No Subject Provided

Anonymous User from Sun City Center, FL

October 18, 2023 at 9:22 PM

603-373-2810 reported as a Prerecorded Voice. Received on October 18, 2023 at 2:00 PM.
Unwanted call for Health Insurance Services
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Meredith, New Hampshire

August 29, 2023 at 2:06 PM

603-373-7678 reported as a Robocall. Received on August 29, 2023 at 2:00 PM.
Call for Medical & prescriptions

Anonymous User from , NH

August 28, 2023 at 11:15 AM

603-373-8143 reported as a unwanted call. Received on August 25, 2023 at 5:29 PM.

Anonymous User from , UT

June 5, 2023 at 1:22 PM

603-373-8505 reported as a Robocall. Received on June 5, 2023 at 11:04 AM.

Anonymous User from , NH

January 13, 2023 at 4:22 PM

603-373-0846 reported as a Live Voice or Other. Received on January 13, 2023 at 4:21 PM.
Call for Medical & prescriptions

Anonymous User from Minneapolis, Minnesota

December 9, 2022 at 10:44 AM

603-373-1952 reported as a Live Voice or Other. Received on December 9, 2022 at 9:34 AM.

Anonymous User from , NH

September 15, 2022 at 2:08 PM

603-373-9803 reported as a Robocall. Received on September 15, 2022 at 9:03 AM.

Anonymous User from Derry, New Hampshire

June 22, 2022 at 6:33 PM

603-373-6304 reported as a Robocall. Received on June 22, 2022 at 6:30 PM.

Anonymous User from , IN

April 9, 2015 at 7:55 PM

603-373-1358 reported as a Live Voice. Received on April 7, 2015 at 12:53 PM.
Telemarketing (including do not call and spoofing) for unknown
Contacted via Wired

Most 'popular' numbers on this prefix:

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603-373-1XXX: 603-373-1110 | 603-373-1111 | 603-373-1114 | 603-373-1122 | 603-373-1199 | 603-373-1300 | 603-373-1305 | 603-373-1308 | 603-373-1350 | 603-373-1353 | 603-373-1359 | 603-373-1900 | 603-373-1952 | 603-373-1953 | 603-373-1954 | 603-373-1991 | 603-373-1998 |
603-373-2XXX: 603-373-2500 | 603-373-2501 | 603-373-2508 | 603-373-2560 | 603-373-2562 | 603-373-2567 | 603-373-2800 | 603-373-2810 | 603-373-2811 | 603-373-2812 | 603-373-2888 |
603-373-4XXX: 603-373-4100 | 603-373-4120 | 603-373-4170 | 603-373-4171 | 603-373-4175 | 603-373-4700 | 603-373-4720 | 603-373-4721 | 603-373-4722 | 603-373-4777 |
603-373-6XXX: 603-373-6000 | 603-373-6001 | 603-373-6008 | 603-373-6020 | 603-373-6030 | 603-373-6060 | 603-373-6100 | 603-373-6105 | 603-373-6180 | 603-373-6181 | 603-373-6188 | 603-373-6300 | 603-373-6303 | 603-373-6307 | 603-373-6309 | 603-373-6500 | 603-373-6501 | 603-373-6550 | 603-373-6590 | 603-373-6595 | 603-373-6599 | 603-373-6800 | 603-373-6801 | 603-373-6808 | 603-373-6810 | 603-373-6811 | 603-373-6818 |
603-373-7XXX: 603-373-7500 | 603-373-7505 | 603-373-7507 | 603-373-7520 | 603-373-7521 | 603-373-7522 | 603-373-7600 | 603-373-7620 | 603-373-7670 | 603-373-7676 | 603-373-7677 |
603-373-8XXX: 603-373-8000 | 603-373-8008 | 603-373-8009 | 603-373-8060 | 603-373-8062 | 603-373-8069 | 603-373-8100 | 603-373-8140 | 603-373-8144 | 603-373-8300 | 603-373-8320 | 603-373-8340 | 603-373-8345 | 603-373-8400 | 603-373-8410 | 603-373-8411 | 603-373-8415 | 603-373-8450 | 603-373-8500 | 603-373-8501 | 603-373-8507 | 603-373-8700 | 603-373-8777 | 603-373-8780 | 603-373-8788 | 603-373-8800 | 603-373-8801 | 603-373-8810 | 603-373-8811 | 603-373-8818 | 603-373-8880 |
603-373-9XXX: 603-373-9800 | 603-373-9801 | 603-373-9809 |