Area code 667
Where the 667 area code is, its overlay and how to dial a +1 667 number from anywhere.
The 667 area code is in Annapolis, Maryland, United States (Eastern (ET)). To call from abroad: +1 667 555-0123. It is an overlay, so all 10 digits are dialled.
The 667 area code is a geographic North American Numbering Plan (NANP) code covering Annapolis, Maryland. It has been in service since 03-Jan-2001 and sits in the Eastern (ET) time zone.
How to dial a 667 number
+1 667 555-01231 667 555-0123667 555-0123Cities in the 667 area code
A 667 number is usually in one of these places in Maryland — 6 counties.
Other Maryland area codes
Frequently asked questions
Where is the 667 area code?
The 667 area code is in Annapolis, Maryland, United States (Eastern (ET)).
Is 667 an overlay area code?
Yes. 667 overlays the same region as 410, 443, so callers dial all 10 digits.
Do I have to dial 10 digits for 667?
Yes — dial the area code plus the seven-digit number.
How do I call a 667 number from another country?
Dial your exit code (or +), then 1, then 667, then the number: +1 667 555-0123.
Source: NANPA numbering plan. An area code covers a region, not a precise address — a 667 number does not pinpoint a street or ZIP code.
Missed a call from +1 667?
In the 30 days to September 24, 2026, 231 unwanted calls showing a 667 number were reported to the US Federal Trade Commission, 71% of them recorded messages or robocalls. That puts 667 at #319 of 670 area codes reported.
- If you do not know anyone in Maryland, do not call back: a genuine caller will leave a message or send a text.
- Scammers fake the number shown on caller ID, so a 667 number can hide a caller anywhere in the world.
- Never give a code received by text or a bank detail to an unknown caller. In the US, calls can be reported at reportfraud.ftc.gov.
Who issues +1 667 numbers
Phone companies hold blocks of numbers in each area code. The main holders in 667:
About 17.8% of the 465 prefixes in use belong to mobile carriers: a 667 number is often a cell phone, and it may have moved to another carrier since.
Sources: FTC Do Not Call reported calls (numbers as reported by consumers, not verified), NANPA central office code assignments.
All US area codes United States +1 Map of area code 667 — cities & rate centres