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AREA CODE · MARYLAND

Area code 667

Area code 667 covers Baltimore, Maryland. Map, time zone, overlays, carriers, the full list of prefixes and how to dial it.

State: Maryland Major City: Baltimore Eastern Time (ET) Overlay: 410/443/667
01 / WHERE IT IS

Where is area code 667?

Area code 667 is assigned to Baltimore and the surrounding region in Maryland. Calls to numbers that start with 667 are routed to this area.

Area code 667 shares its territory with 410, 443. Because it is an overlay, local calls require dialing all 10 digits.

Counties covered

Baltimore CountyBaltimore cityAnne Arundel CountyHarford CountyHoward CountyWicomico CountyCecil CountyQueen Anne's CountyCarroll CountyCaroline CountyTalbot CountyDorchester CountyCalvert CountyKent County

Line types

  • Mobile 36.09%
  • Landline 63.91%
02 / MAP

Area code 667 on the map

The shaded area joins the code’s numbering centers; the marker shows its main city.

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© OpenStreetMap contributors

03 / LOCAL TIME

Current time in Baltimore

This area code is in the Eastern Time (ET) time zone.

Local timeBaltimore, MD--:--:--

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America/New_YorkLive
04 / HOW TO DIAL

How to call Baltimore

WITHIN THE US667 XXX XXXX

Always 10 digits — landline, mobile or VoIP. Local, long distance or a different state: the format is always the same. You do not need to dial the 1 first.

FROM ABROAD+1 667 XXX XXXX

Exit codes: 00 Europe/Mexico · 011 Canada · 010 Japan · + universal

WHATSAPP / IMESSAGE+1 667 XXX XXXX

Always save the number in international format so messaging apps recognize it correctly:

Call typeTraditional landlineMobile / VoIP
Local (same area code)10 digits10 digits
US long distance1 + 10 digits10 digits
Emergency911911
🌐Universal+1 667 555 0123
🇪🇸🇲🇽Spain / Mexico00 1 667 555 0123
🇦🇺Australia0011 1 667 555 0123
🇯🇵Japan010 1 667 555 0123
HAVE THE FULL NUMBER?

Learn more about that number.

Check the line type and the carrier the number block was originally assigned to.

10 digits to see the carrier and line type of the number

05 / CARRIERS

Carriers in area code 667

Share of the number blocks by carrier and line type.

Landline

Sinch
29%
CoreTel Communications
22%
Bandwidth
6%
AT&T
5%
Verizon Business
3%
Others
35%

Mobile

T-Mobile USA
38%
AT&T Mobility
31%
Verizon Wireless
15%
Sinch
10%
Boost Mobile
5%
Others
2%

Carrier shown is the original assignment of each number block and may differ today because of number portability.

06 / PREFIXES

Complete list of prefixes for area code 667

435 number blocks (NXX) assigned in this area code.

PrefixTypeCityCarrier
(667) 200 Landline Columbia SinchONVOY, LLC - MD
(667) 201 Mobile Bel Air Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
(667) 202 Landline Elkton SinchONVOY, LLC - MD
(667) 203 Mobile Baltimore Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
(667) 204 Landline Annapolis Windstream CommunicationsPAETEC ITEL, LLC
(667) 205 Mobile Baltimore Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
(667) 206 Landline Towson Metro by T-MobileMETROPCS, INC.
(667) 207 Mobile Baltimore Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
(667) 208 Mobile Baltimore Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
(667) 209 Mobile Baltimore Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD

Showing 10 of 435 prefixes

07 / FAQ

Frequently asked questions about area code 667

Where is area code 667 used?
Area code 667 serves Baltimore and the surrounding area in Maryland, including Baltimore County, Baltimore city, Anne Arundel County, Harford County, Howard County.
What city is area code 667 from?
The main city of area code 667 is Baltimore, MD.
What time zone is area code 667 in?
Area code 667 is in the Eastern Time (ET) time zone (America/New_York).
Is 667 an overlay area code?
Yes. It shares its territory with 410, 443. In an overlay, every call requires dialing all 10 digits.
How do I call a number with area code 667 from the United States?
Dial the 10 digits: 667 + 7-digit number. For some long-distance calls from a landline you may need to add a 1 first.
How do I call a 667 number from another country?
Dial your country's exit code (or +), then 1, then 667 and the seven-digit number. From a mobile you can use +1 667 XXX XXXX.
Which carriers use area code 667?
Most landline blocks belong to Sinch and most mobile blocks to T-Mobile USA. The carrier shown is the original assignment and may differ today because of number portability.
Is area code 667 for landlines, mobiles or both?
Both. About 63.91% of the number blocks are landline, 36.09% mobile.
How do I save a 667 number in WhatsApp or my phone?
Save it in international format: +1 667 XXX XXXX. That way WhatsApp, iMessage and Telegram recognize it from any country.
Is it safe to answer calls from area code 667?
The area code only shows the region a number was assigned to; it does not tell you who is calling. Scammers can fake any area code, so do not share personal or banking information with unknown callers, and let unknown numbers go to voicemail.
KEEP EXPLORING

Nearby area codes

202Washington, DC771Washington, DC302Wilmington, DE703Washington, VA571Washington, VA717Lancaster, PA

Other area codes in Maryland

227 · Washington240 · Washington301 · Washington410 · Baltimore443 · Baltimore

View all Maryland area codes →