Area Code 521
Area code 521 is a personal communications service code that is not tied to any geographic region.
Area code 521 quick facts
| Type | Personal Communications Service (non-geographic) |
|---|---|
| In service | 2017-09-21 |
| FTC complaint data | 19 complaints across 2 numbers |
| Data current as of | August 2, 2026 |
Is a call from 521 a scam? How spoofing works.
FTC complaints involving 521 numbers
Numbers shown with area code 521 in the FTC's Do Not Call “Reported Calls” database (recent reporting window). Most common reported reasons: “Calls pretending to be government, businesses, or family and friends”, “Other”.
Most-complained 521 numbers:
- (521) 610-0123 — 16 complaints
- (521) 302-8244 — 3 complaints
These are FTC Do Not Call complaints filed about specific numbers shown with this area code — frequently spoofed. The area code itself is not a scam. See the most-reported area codes and the most-reported phone numbers nationwide.
A non-geographic 'follow-me' / personal-communications code. Numbers in this code are not tied to a physical location.
Frequently asked questions
Where is area code 521 located?
Area code 521 is non-geographic — it is a personal communications service code and is not assigned to any state, city, or region. A non-geographic 'follow-me' / personal-communications code. Numbers in this code are not tied to a physical location.
Is a call from 521 a scam?
Not necessarily, but caller ID can be spoofed. Treat unexpected 521 calls or texts with caution and never share personal or financial information.
What time zone is area code 521 in?
Area code 521 is not tied to a location, so it has no single time zone.
Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of August 2, 2026. Refreshed monthly.