Look up any 603 number to find out who called you
Results may include:
Our database contains over 25 million Do Not Call and robocall complaints reported to the FTC.
Federal Data
State Data
County Data
City Data
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.
Car Warranty renewals and Fake Legal threats are the most common.
| Area Code | Unique Reported Scams |
|---|---|
| 603 | Fake tech support scams, Voice phishing |
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. Received a fraudulent call or lost money to a phone scam? Report fraud or scam:
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).
To reduce spam calls, register all your phone numbers at National Do Not Call Registry (donotcall.gov or call 1-888-382-1222 from the number you want to protect).
Phone numbers reported as unwanted calls to the FTC by New Hampshire residents in the last 30 days.
(603) 415-1351
Other
5 reports ·
(603) 632-4877
Other
5 reports ·
(855) 909-0914
Reducing your debt (credit cards, mortgage, student loans)
5 reports ·
(855) 629-0608
Calls pretending to be government, businesses, or family and friends
5 reports ·
(603) 704-3119
Other
4 reports ·
(603) 333-3975
Other
4 reports ·
(866) 959-0962
Reducing your debt (credit cards, mortgage, student loans)
4 reports ·
(877) 265-8260
Calls pretending to be government, businesses, or family and friends
4 reports ·
(833) 366-0127
Other
3 reports ·
(603) 207-4386
Other
3 reports ·
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 do not guarantee the caller's current location. New Hampshire allows number portability, and scammers often use "neighbor spoofing" to make calls appear local.
Browse our reverse phone directory by selecting a city below:
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.