603-842
Last activity: Nov 30, 2022
Area code 603 numbers in Manchester, NH
Browse recently reported phone numbers in area code 603, commonly associated with Manchester, NH. This page shows recent activity, reported numbers, and popular prefixes linked to this area code.
Location
Manchester, NH
Reported numbers
20
Reports in last 7 days
1
Reports in last 30 days
1
Last activity
Jun 2, 2026
About area code 603
Area code 603 is commonly associated with Manchester, NH. The most common report type in this area code is unknown, with 715 reports. Users submitted 1 reports related to this area code in the last 30 days.
What people report about area code 603
Recent reports for area code 603 are mostly about unknown callers, and many users also describe the calls as suspicious. A common pattern is a vague or unhelpful voicemail that still leaves the call feeling untrustworthy.
Asked to call back
Suspicious or scam-like
Unknown callers
Vague or missing voicemail
Repeated calls
“repeated unsolicited offers to buy my land. No name no introduction. Very persistent”
“state themself as lottery fraud department, They had sent a text from the phone number”
What stands out about area code 603
Reports are spread across several active prefixes within area code 603, which suggests the activity is not limited to one isolated number block. Recent reporting activity is still present, although the overall volume is more limited. The page also has usable geographic context through Manchester, NH, which helps users decide whether a call looks locally relevant or completely unfamiliar.
Should you answer calls from area code 603?
Because many reports on this page involve unknown callers and suspicious behavior, the safest option is usually to let unexpected calls go to voicemail first and verify the number before responding.
- Do not trust caller ID alone.
- Search the full phone number before calling back.
- Be careful with callers who create urgency or ask for payment.
- Never share card details, banking data, passwords, or verification codes with an unknown caller.
- If the call is legitimate, the caller will usually leave a clear voicemail.
Approximate location
Area code 603 is commonly associated with Manchester, NH. The map below shows an approximate location reference and may not represent the full coverage area.
Reported call types
Type
Reports
Share
Unknown
715
82.7%
Scam suspicion
115
13.3%
SSN scam
14
1.6%
Valid
8
0.9%
Silent call
4
0.5%
IRS scam
3
0.3%
Debt collector
2
0.2%
Telemarketer
2
0.2%
Students loan scam
1
0.1%
Text message
1
0.1%
Popular prefixes in area code 603
603-945
Last activity: Jun 12, 2023
603-326
Last activity: Aug 16, 2021
603-263
Last activity: Jul 4, 2022
603-333
Last activity: May 13, 2021
603-397
Last activity: Aug 21, 2020
603-664
Last activity: Nov 26, 2020
603-441
Last activity: Sep 2, 2022
603-782
Last activity: May 5, 2022
603-766
Last activity: Nov 2, 2020
603-413
Last activity: Nov 4, 2022
603-693
Last activity: Dec 6, 2021
Recently reported numbers
How to check if a call is legitimate
This page gives area-code-level context, but the exact number still matters more. Use the reports, recent activity, and voicemail details together before deciding whether to respond.
- Search the exact phone number, not just the area code.
- Review recent reports and call type patterns.
- Check whether the caller left a clear voicemail with a name and reason for calling.
- Do not trust threats, payment demands, or urgent account warnings without independent verification.
- Contact banks, delivery firms, insurers, courts, or government agencies through their official websites or phone numbers.
FAQ about area code 603
Where is area code 603 located?
Area code 603 should be treated as a general reference point, not proof of the caller's exact location.
Why do so many calls from area code 603 seem suspicious?
Recent reports for area code 603 are mostly about unknown callers, and many users also describe the calls as suspicious. A common pattern is a vague or unhelpful voicemail that still leaves the call feeling untrustworthy.
What can prefix 603-842 tell me?
Reports are spread across several active prefixes within area code 603, which suggests the activity is not limited to one isolated number block.