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Area code 603 · New Hampshire

(603) 651-0533

603-651-0533 · 6036510533 · Moderate complaint volume

Consumers have filed 4 complaints about calls from (603) 651-0533 with the Federal Trade Commission and the Federal Communications Commission, between Oct 19, 2026 and Oct 20, 2026. Most reports do not name a specific topic, and 67% of callers used a recorded message. All complaints with a location came from New Hampshire.

4Total complaintsFTC 2 · FCC 2
4Last 30 daysLast 7 days: 4
67%Recorded messageof 3 reports that said
1States reportingMost: New Hampshire

Complaint activity for (603) 651-0533

Complaints per day about (603) 651-0533, Oct 19, 2026 to Oct 21, 202612Oct 19, 2026: 2Oct 19Oct 20, 2026: 2Oct 21, 2026: 0
Complaints per day about (603) 651-0533, Oct 19, 2026 to Oct 21, 2026

What callers from this number were about

  • Not specified2 (50%)
  • Other2 (50%)

If you do not recognize a caller, let the call go to voicemail. Legitimate callers usually leave a message, and you can call them back using a number you have verified yourself.

Where the complaints came from

Cities named in complaints: Temple, NH (1) · Sunapee, NH (1) · Francestown, NH (1)

Latest complaints

Date filedConsumer locationTopicTypeSource
Oct 20, 2026Sunapee, NHNot specifiedRecorded messageFCC
Oct 20, 2026Temple, NHOtherLive callerFTC
Oct 19, 2026Other–FTC
Oct 19, 2026Francestown, NHNot specifiedRecorded messageFCC

Number details

Formats
(603) 651-0533 · 603-651-0533 · +1 603-651-0533 · 6036510533
Area code
603 · New Hampshire
Rate center
Ctrossipee, NH
Originally assigned to
United States Cellular - NH (prefix 603-651, since 2026)
First and last complaint
Oct 19, 2026 – Oct 20, 2026

The carrier shown is the company the prefix was first assigned to by the numbering administrator. Numbers are often ported to other carriers, and caller ID can be faked, so the real caller may be unrelated to this carrier or to the person who owns this number.

How to report an unwanted call

  • Federal Trade Commission. Report telemarketing and robocalls at donotcall.gov or by calling 1-888-382-1222. These are the reports that feed most of this site.
  • Federal Communications Commission. File an unwanted call or text complaint at consumercomplaints.fcc.gov.
  • Your phone carrier. Most carriers offer free spam labeling and call blocking, and some let you forward spam texts to 7726 (SPAM).
  • Your state attorney general. Most states have a consumer protection office that takes complaints about telemarketing and scams.

Other reported numbers in area code 603

Phone numberComplaintsTopicLast reported
(603) 570-44748Dropped call or no messageOct 20, 2026
(603) 383-54624Dropped call or no messageOct 19, 2026
(603) 482-67303OtherOct 18, 2026
(603) 518-61514Dropped call or no messageOct 15, 2026
(603) 709-20553Impostor callsOct 15, 2026
(603) 256-51183Not specifiedOct 15, 2026
(603) 377-30684OtherOct 15, 2026
(603) 441-50644Not specifiedOct 15, 2026

See all reported numbers in area code 603 →

Is this your number?

If you own (603) 651-0533 and believe it is being spoofed, tell your carrier and keep records of the complaints you receive. You can also contact us through the site to add context to this page.