Identify who called from an unknown New Hampshire phone number. Results may include:
Our database contains over 25 million Do Not Call and robocall complaints reported to the FTC.
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New Hampshire's entire state shares area code 603. The most distinctive reported scam involves callers identifying themselves as "Howard, Clark and Associates" threatening legal action for an unpaid debt, a script reported so frequently it has become one of the most recognized phone scams in the state. If you get a call from "Howard, Clark and Associates" or a similar firm, run the number through the reverse phone lookup tool above. Chances are you will find it flagged by others who received the same call.
Annoying calls about "computer viruses" and car warranty renewals are a common plague in the 603 area. Ignore the panic tactics and quickly verify if the number is a known tech support spammer.
Phone numbers reported as unwanted calls to the FTC by local residents in the last 30 days.
(888) 310-3531
5 reports ·
(888) 269-4978
5 reports ·
(844) 515-1201
4 reports ·
(443) 384-1199
3 reports ·
(877) 556-9255
3 reports ·
(414) 381-3332
3 reports ·
(443) 312-1795
3 reports ·
(603) 316-6139
3 reports ·
(866) 771-6727
3 reports ·
(978) 746-7664
3 reports ·
Car Warranty renewals and Fake Legal threats are the most common. In 2024, New Hampshire residents reported 8,838 fraud cases resulting in total losses of $34,625,261, with a median loss of $325 per victim. Reporting fraud is the best way to stop these calls. Reach out to these offices today:
In 2024, New Hampshire residents filed 9,834 unwanted call complaints with the FTC, of which 5,569 were robocalls and 3,425 involved live callers. The most reported complaint topics were medical and prescriptions (1,085), imposters (915), reducing debt (826). You can significantly reduce the number of unsolicited calls you receive by visiting the official Do Not Call website. Visit donotcall.gov or call 1-888-382-1222 to protect your number.
603 serves the entire Granite State. Every number from Manchester to the White Mountains uses the same area code. No variation means no location detail from those three digits. Look up any New Hampshire number to find the owner and their town.
| Area Code | Cities |
|---|---|
| 603 | Manchester, Nashua, Concord |
Important: Area codes are no longer reliable indicators of a caller's location. Number portability allows users to keep their numbers when they move, and scammers frequently use "neighbor spoofing" to make long-distance or fraudulent calls appear local.
All New Hampshire phone numbers use 603, including Manchester, Nashua, Concord, Dover, and Rochester. New Hampshire is one of a small number of U.S. states still covered by a single area code.
Reverse phone lookup is legal in New Hampshire for everyday personal use. Whether you're checking an unknown caller, verifying a contact, or spotting potential fraud, you're within your rights. Keep in mind that the Fair Credit Reporting Act (FCRA) restricts using this information for employment, housing, or credit decisions.
Under the New Hampshire Data Privacy Act (NHDPA), you can opt out of targeted advertising and the sale of your personal information. Visit each reverse lookup site and submit a deletion request through their privacy settings.
A phone number linked to a business name does not always mean the call is genuine. According to U.S. Census data, there are over 39,348 business establishments in New Hampshire. To confirm a specific company exists, search the New Hampshire QuickStart Search, the state’s official business entity registry.
New Hampshire has 1.5 million mobile subscriptions, 366,000 VoIP numbers, and 120,000 landlines.