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Reverse Lookup and Spam Reports for 603 Area Code

Search an area code 603 phone number to find the owner's name, address, social media profiles, and more!

Area Code 603 Phone Book Details

  • Amount of Phone Number Lookups
    116,369
  • Mobile carriers
    14
  • User Feedback
    370
  • Hall of Shame Members
    319
  • Most Popular Carrier:
    NO NEW ENGLAND TEL OP DBA FAIRPOINT COMM - NH

Where Is Area Code 603?

The 603 area code is located in New Hampshire and covers Derry, Dover, Lebanon, Merrimack, Nashua.

Some of the counties covered by area code 603 are Belknap, Carroll, Cheshire, Coos, Grafton counties.

603 Area Code Cities

603 Area Code Counties

  • Belknap

What Time Zone Is 603 Area Code In?

The 603 Area Code is in the EDT time zone, which is a UTC-04:00 difference to Greenwich time.

Hall of Shame - Reported Types of
Area Code 603 Spam & Scam Calls

Our active community of CallerSmart users helps you find out about suspected area code 603 scam phone calls and other nuisance calls and texts.
Run a reverse phone lookup on any 603 phone number to see what others have reported about it in our phone book.

  • Debt Collector
    1
  • Scammer
    86
  • Spam Texter
    13

Most Notorious Area Code 603 Phone Scams

Our Hall of Shame highlights the phone numbers of the worst 603 scammers and spammers. Below, you’ll find the worst offenders, according to our community of CallerSmart users, when it comes to area code 603 phone scams. These are the 603 phone numbers with the lowest Trust Factor ratings and the most negative feedback, so please beware!

603-402-5050

Wireless

What are you doing this money in them to make money but no thank you I didn't ask them to call me I know where to find them big scam my book

rodmiser from Dearborn, MI

Asking For Money
read more

603-570-4474

Landline

FCC Complaint: Live Voice

Web User at 12:55pm on 04/14/25

Scammer
read more

Top Cities Reporting Spam for 603

The most frequently reported cities for spam calls from area code 603 are Hudson, NH, with 11.3% of complaints, followed by Nashua, NH, with 4.78%, Manchester, NH, with 3.37%, Windham, NH, with 3.21%, and Laconia, NH, with 3.02%. Various other cities account for 72.76% of reported spam calls for area code 603.

Spam Complaints for Area Code 603

Area code 603 is ranked # 144 for spam complaints, and it accounts for 0.2877% of all spam complaints. Prerecorded Voice complaints are the most recorded spam reports associated with area code 603, making up 46.12% of total reports. This is followed by Live Voice at 42.45%, and Text Message complaint reports at 11.43%.

Top Spam Call Report Types for 603

The top five most frequently reported types of spam calls from area code 603 are Auto Warranty calls, making up 14.28% of complaints, followed by Medicare Medicaid calls at 11.02%, Health Insurance calls at 8.57%, Political calls at 4.08%, and Mortgage Loans calls at 3.67%. Various other topics make up 58.39% of reported spam calls for area code 603.

Recent 603 Area Code Activity

In July 2024, complaints in area code 603 decreased by 66.7% compared to June 2024. The month with the most complaints was May 2024.

Recent Searches:

  • (603) 772-5953

    from Mexicali

  • (603) 964-8771

    from Mexicali

  • (603) 431-1464

    from Mexicali

  • (603) 205-5925

    from Mexicali

  • (603) 285-5376

    from Mexicali

  • (603) 431-1464

    from Mexicali

Recent Feedback:

  • (603) 402-5050
  • (603) 912-5105
  • (603) 459-8047
  • (603) 579-0566
  • (603) 964-1927
  • (603) 929-0660

Top CallerSmart Users in Area Code 603

Block 603 Area Code Calls and Texts

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Victim of a 603 Phone Scam?

If you've been the victim of an area code 603 phone scam or fraud, you should report it to the appropriate authorities to prevent further financial loss and assist in investigating or preventing additional fraud.


If the scam involves significant financial losses or crosses state lines, report it to the FBI's Internet Complaint Center.


If the scam involves taxes or impersonation of the IRS, report it to the IRS Treasury Inspector General.


Report any type of phone scam, including robocalls and phishing, to the Federal Trade Commission.


Unwanted calls from debt collectors and any illegal telemarketing or scam calls targeting mobile phones without prior express consent should be reported to the Federal Communications Commission.


You can also share your feedback on a phone number in the CallerSmart phone book to warn others about scams!