667 Area Code — MD
Area code 667 serves MD in the Eastern time zone, in service since 2012. The FCC has 80 unwanted-call complaints against 79 different 667 numbers on record. Look up the exact number that called you below.
Most-reported 667 numbers
Ranked by FCC unwanted-call complaints. Click a number for its full report.
667 unwanted-call complaints, last 12 months
Monthly FCC complaint volume against 667 numbers. Spikes usually mark an active robocall campaign cycling through the code.
About area code 667
- Serves
- MD
- Time zone
- Eastern
- In service since
- 2012-03-24
- Overlay
- Yes — 10-digit dialing
Source: NANPA numbering records, refreshed weekly.
Spam calls from 667? What to know
Seeing repeated missed calls from 667 numbers you don't recognize is the classic signature of neighbor-spoofing robocall campaigns. The caller isn't necessarily in MD — spoofing software displays whatever digits the campaign chooses. Never call unknown numbers back; look them up first, and report unwanted calls to the FCC to build the public record.
Area code 667 FAQs
Where is area code 667?
Area code 667 serves MD, in the Eastern time zone. It is part of an overlay complex, so multiple area codes serve the same territory and 10-digit dialing is required. It has been in service since 2012.
Why do I keep getting calls from 667 numbers?
Robocallers use "neighbor spoofing" — displaying a number with a local area code to make you more likely to answer. A call showing area code 667 may not originate from MD at all. Look up the full 10-digit number on this site to see its complaint history before calling back.
Are 667 numbers safe to call back?
Area codes themselves are neither safe nor unsafe — 667 contains millions of legitimate lines alongside any spoofed or spam numbers. The FCC has logged 80 unwanted-call complaints against 79 distinct 667 numbers in our current data window. Check the specific number's report page before returning a missed call.