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US area code · Maryland

667 area code

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.

667410443

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

227240301410443

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.

Number holders in area code 667

Each prefix (the three digits after the area code) is assigned by NANPA to one telephone company. 465 prefixes are in use in 667, shared by 52 companies. The largest holders:

CompanyPrefixesShare
Onvoy, LLC8418%
New Cingular Wireless PCS, LLC5712%
Omnipoint Communications Cap Operations, LLC5612%
Core Communications, Inc.- Md419%
Cellco Partnership Dba Verizon Wireless245%
Ton80 Communications, LLC215%

Source: NANPA central office code assignments. A number keeps its original prefix when it is ported to another carrier.

Complaints about 667 numbers

Reports to the FTC, last 30 days
231
Recorded messages or robocalls
71%
Rank among area codes
#319 of 670
Most reported subjects
Other (79)
Reducing your debt (credit cards, mortgage, student loans) (71)
Dropped call or no message (26)

Period Aug 26 – Sep 24, 2026. These are the numbers shown on the caller ID of the reported calls; many are spoofed and do not belong to the real caller.

Source: US Federal Trade Commission, Do Not Call reported calls data (daily files).

All US area codes United States +1 Map of area code 667 — cities & rate centres

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