Skip to content
Country Dialing CodesConnecting a more open world A clearer
more connected world.
US area code · Maryland

Area code 667

Where the 667 area code is, its overlay and how to dial a +1 667 number from anywhere.

CoversAnnapolis, MarylandTime zoneEastern (ET)TypeOverlay
Quick answer

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.

StateMaryland
Main areaAnnapolis
Time zoneEastern (ET)
TypeOverlay
10-digit dialingRequired
In service since03-Jan-2001

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.

Overlay 667 shares its region

Several area codes cover the same geographic area, so two neighbours can have different codes. Because of the overlay, you must dial all 10 digits (area code + number) even for local calls.

How to dial a 667 number

From abroad+1 667 555-0123
Within the US / Canada1 667 555-0123
Locally (same area)667 555-0123

Cities in the 667 area code

A 667 number is usually in one of these places in Maryland — 6 counties.

Annapolis Anne ArundelArbutusArnold Anne ArundelBaltimore Anne Arundel;Baltimore;Baltimore CityBel Air NorthBel Air SouthCarneyCatonsville BaltimoreColumbia HowardCrofton Anne ArundelDundalk BaltimoreEdgewood HarfordEldersburgEllicott City HowardEssex BaltimoreGlen Burnie Anne ArundelLochearnMiddle River BaltimoreMilford MillOdenton Anne ArundelParkville BaltimorePerry Hall BaltimorePikesville BaltimoreRandallstown BaltimoreReisterstown BaltimoreSalisbury WicomicoSevern Anne ArundelSeverna Park Anne ArundelSouth GateTowson BaltimoreWest Elkridge

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.

Other79
Reducing your debt (credit cards, mortgage, student loans)71
Dropped call or no message26
Calls pretending to be government, businesses, or family and friends23
Before you call back
  • 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:

Onvoy, LLC 84New Cingular Wireless PCS, LLC 57Omnipoint Communications Cap Operations, LLC 56Core Communications, Inc.- Md 41Cellco Partnership Dba Verizon Wireless 24Ton80 Communications, LLC 21

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