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603-343

You are reviewing the Area Code (NPA/NXX) report for 603-343. Did you mean to search the SMS short code 603343?

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Raw Number603343
Basic Format603-343
NPA (Area Code)603
NXX343

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
603-343-0XXX9827OTEL TELEKOM, INC. - NHDOVERAS08/27/2004DOVERNHNE10/09/2004
603-343-1XXX318JCOMCAST IP PHONE, LLCDOVERRTDOVERNHNE
603-343-2XXX318JCOMCAST IP PHONE, LLCDOVERRTDOVERNHNE
603-343-3XXX6889OMNIPOINT MIAMI E LICENSE, LLCDOVERAS06/27/2005DOVERNHNE07/23/2005
603-343-4XXX318JCOMCAST IP PHONE, LLCDOVERAS05/10/2006DOVERNHNE06/06/2006
603-343-5XXX318JCOMCAST IP PHONE, LLCDOVERRTDOVERNHNE
603-343-6XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCDOVERAS02/28/2007DOVERNHNE03/29/2007
603-343-7XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCDOVERAS12/11/2007DOVERNHNE12/21/2007
603-343-8XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCDOVERAS12/11/2007DOVERNHNE12/21/2007
603-343-9XXX829JPAETEC ITEL, LLCDOVERAS04/22/2003DOVERNHNE05/02/2003
603-343-XXXX318JCOMCAST IP PHONE, LLCDOVERASDOVERNH

Business/Government Phones on the 603-343 Prefix

PhoneNameAddress
603-343-1381LCS Construction Company, LLC
603-343-2393Cornerstone Tax Services, LLC
603-343-1799Lickee's & Chewy's53 Washington Street Dover US
603-343-2286Two Bees100 First Street US
603-343-2442Tangled UpUS
603-343-2953DetailsUS
603-343-4217The Flower Room474 Central Avenue Dover 03820 US
603-343-4231Garrison City Beerworks455 Central Avenue Dover US
603-343-4241Jennifer M. Casey M.D., P.L.L.C.2 Washington Street Dover 03820 US
603-343-4446Hong Asian Noodle Bar519 Central Avenue Dover 03820 US
603-343-4792Cinco's Cantina446 Central Avenue Dover 03820 US
603-343-5044SnP TechnologiesUS
603-343-5137HomeUS
603-343-5907Subway45 Central Avenue Dover 03820 US

Reports

Anonymous User from Hillsboro, NH

March 28, 2026 at 11:00 PM

603-343-1094 reported as a Prerecorded Voice. Received on March 28, 2026 at 6:42 PM.
Unwanted call for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Fitzwilliam, New Hampshire

March 11, 2026 at 11:38 AM

603-343-2410 reported as a Robocall. Received on March 10, 2026 at 3:54 PM.
Call for Home improvement & cleaning

Anonymous User from Hudson, New Hampshire

June 18, 2025 at 12:43 PM

603-343-1624 reported as a Robocall. Received on June 18, 2025 at 11:32 PM.
Call for Medical & prescriptions

Anonymous User from Hudson, New Hampshire

March 19, 2025 at 4:41 PM

603-343-0463 reported as a Robocall. Received on March 19, 2025 at 4:37 PM.
Call for Energy, solar, & utilities

Anonymous User from New London, New Hampshire

February 12, 2025 at 10:17 AM

603343030 reported as a Robocall. Received on February 12, 2025 at 10:14 AM.
Call for Home improvement & cleaning

Anonymous User from , NH

January 31, 2025 at 2:51 PM

603-343-2240 reported as a unwanted call. Received on January 31, 2025 at 2:24 PM.
Call for No Subject Provided

Anonymous User from Merrimack, New Hampshire

November 20, 2024 at 8:21 PM

603-343-4321 reported as a Live Voice or Other. Received on November 20, 2024 at 11:10 AM.

Anonymous User from Merrimack, New Hampshire

October 23, 2024 at 9:25 AM

603-343-4716 reported as a Robocall. Received on October 22, 2024 at 6:56 PM.
Call for Medical & prescriptions

Anonymous User from Merrimack, New Hampshire

September 20, 2024 at 4:27 PM

603-343-4953 reported as a Robocall. Received on September 20, 2024 at 4:25 PM.
Call for Medical & prescriptions

Anonymous User from Austin, Texas

August 27, 2024 at 2:43 PM

603-343-8578 reported as a Robocall. Received on August 24, 2024 at 11:30 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Hudson, New Hampshire

July 23, 2024 at 11:02 AM

603-343-5803 reported as a Robocall. Received on July 23, 2024 at 10:58 AM.

Anonymous User from Hudson, New Hampshire

May 4, 2024 at 7:28 PM

603-343-5712 reported as a Robocall. Received on May 4, 2024 at 7:25 PM.

Anonymous User from Auburn, New Hampshire

February 23, 2024 at 12:53 PM

603-343-4284 reported as a Robocall. Received on February 23, 2024 at 12:50 PM.
Call for Medical & prescriptions

Anonymous User from Hudson, New Hampshire

January 23, 2024 at 5:04 PM

603-343-4923 reported as a Robocall. Received on January 23, 2024 at 3:07 PM.

Anonymous User from Deltona, Florida

January 11, 2024 at 10:13 AM

603-343-4817 reported as a Live Voice or Other. Received on January 11, 2024 at 9:33 AM.

Anonymous User from Madbury, New Hampshire

December 14, 2023 at 11:00 AM

603-343-1677 reported as a Robocall. Received on October 2, 2019 at 11:00 AM.

Anonymous User from , NH

December 2, 2023 at 10:18 AM

603-343-3764 reported as a Robocall. Received on December 1, 2023 at 6:56 PM.
Call for No Subject Provided

Anonymous User from , NC

November 4, 2023 at 1:34 PM

603-343-8217 reported as a unwanted call. Received on October 30, 2023 at 10:33 AM.

Anonymous User from , NH

October 23, 2023 at 2:36 PM

603-343-5489 reported as a Robocall. Received on October 18, 2023 at 3:54 PM.

Anonymous User from Nashua, New Hampshire

October 3, 2023 at 3:42 PM

603-343-2833 reported as a Robocall. Received on October 3, 2023 at 2:28 PM.
Call for Dropped call or no message

Anonymous User from Madbury, NH

December 3, 2020 at 9:56 PM

915-320-1568 reported as a Live Voice. Received on December 3, 2020 at 4:29 PM.
Unwanted call for unknown
Caller ID indicated they called from 603-343-4754
Contacted via Internet (VOIP)

Anonymous User from , NH

July 25, 2016 at 8:18 PM

reported as a Prerecorded Voice. Received on July 25, 2016 at 3:01 PM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 603-343-6957
Contacted via Internet (VOIP)

Most 'popular' numbers on this prefix:

603-343-0XXX: 603-343-0300 | 603-343-0305 | 603-343-0350 | 603-343-0400 | 603-343-0401 | 603-343-0460 |
603-343-1XXX: 603-343-1000 | 603-343-1001 | 603-343-1003 | 603-343-1090 | 603-343-1091 | 603-343-1099 | 603-343-1300 | 603-343-1303 | 603-343-1308 | 603-343-1342 | 603-343-1344 | 603-343-1347 | 603-343-1600 | 603-343-1611 | 603-343-1673 | 603-343-1675 | 603-343-1677 | 603-343-1800 | 603-343-1803 | 603-343-1808 | 603-343-1890 | 603-343-1891 | 603-343-1899 |
603-343-2XXX: 603-343-2200 | 603-343-2211 | 603-343-2233 | 603-343-2280 | 603-343-2283 | 603-343-2284 | 603-343-2300 | 603-343-2323 | 603-343-2390 | 603-343-2393 | 603-343-2394 | 603-343-2800 | 603-343-2830 | 603-343-2835 | 603-343-2838 | 603-343-2877 | 603-343-2900 | 603-343-2950 | 603-343-2956 | 603-343-2959 | 603-343-2977 |
603-343-3XXX: 603-343-3764 | 603-343-3765 | 603-343-3766 |
603-343-4XXX: 603-343-4100 | 603-343-4120 | 603-343-4170 | 603-343-4171 | 603-343-4175 | 603-343-4231 | 603-343-4233 | 603-343-4238 | 603-343-4288 | 603-343-4311 | 603-343-4321 | 603-343-4340 | 603-343-4344 | 603-343-4345 | 603-343-4355 | 603-343-4757 | 603-343-4758 | 603-343-4759 | 603-343-4771 | 603-343-4772 | 603-343-4778 | 603-343-4800 | 603-343-4810 | 603-343-4817 | 603-343-4818 | 603-343-4901 | 603-343-4907 | 603-343-4920 | 603-343-4927 | 603-343-4929 | 603-343-4983 |
603-343-5XXX: 603-343-5000 | 603-343-5040 | 603-343-5043 | 603-343-5044 | 603-343-5050 | 603-343-5421 | 603-343-5444 | 603-343-5477 | 603-343-5483 | 603-343-5487 | 603-343-5489 | 603-343-5500 | 603-343-5589 | 603-343-5592 | 603-343-5594 | 603-343-5596 | 603-343-5701 | 603-343-5711 | 603-343-5716 | 603-343-5717 | 603-343-5757 | 603-343-5758 | 603-343-5800 | 603-343-5801 | 603-343-5808 | 603-343-5820 |
603-343-6XXX: 603-343-6900 | 603-343-6951 | 603-343-6958 | 603-343-6959 |
603-343-8XXX: 603-343-8211 | 603-343-8214 | 603-343-8219 | 603-343-8281 | 603-343-8283 | 603-343-8288 | 603-343-8500 | 603-343-8501 | 603-343-8507 | 603-343-8570 | 603-343-8575 | 603-343-8577 |