667 Area Code

The 667 area code is a telephone area code in the North American Numbering Plan (NANP) serving Maryland, USA. It was introduced in 2012 as an overlay to relieve the exhaustion of available numbers in the 410 and 443 area codes. The 667 area code covers the same geographic region, including Baltimore, Annapolis, Towson, Columbia, Dundalk, and Glen Burnie.

Understanding the 667 Area Code

The 667 area code is part of a 3-way overlay with 410 and 443. This means all three area codes serve the same region, and 10-digit dialing is mandatory. The overlay ensures that residents and businesses in Maryland have access to new phone numbers without changing their existing ones.

667 Area Code Map and Location

The 667 area code map covers central Maryland, including Baltimore City, the surrounding suburbs, and parts of the Chesapeake Bay area.

Major Cities and Regions in the 667 Area Code

  • Baltimore, MD
  • Annapolis, MD (state capital)
  • Towson, MD
  • Columbia, MD
  • Dundalk, MD
  • Glen Burnie, MD
  • Ellicott City, MD
  • Catonsville, MD
  • Parkville, MD

ZIP Codes Covered by the 667 Area Code

The 667 area code spans multiple ZIP codes across central Maryland, including but not limited to:

  • 21201 - Baltimore
  • 21401 - Annapolis
  • 21204 - Towson
  • 21044 - Columbia
  • 21061 - Glen Burnie
  • 21222 - Dundalk
  • 21043 - Ellicott City

Time Zone

The 667 area code is in the Eastern Time Zone (ET).

  • Standard Time: UTC -5
  • Daylight Saving Time: UTC -4

Dialing, Phone & Service Details

  • Overlay Codes: 410 and 443
  • Local dialing: 10-digit dialing is required
  • Long-distance within the USA: Dial 1 + 667 + 7-digit number
  • International calls: Dial exit code + 1 + 667 + number
  • Services: Landline, mobile, VoIP, and business communication

What area code is 667? / Where's area code 667?

What area code is 667? � The 667 area code is an overlay for Maryland, serving the same region as the 410 and 443 area codes, including Baltimore and Annapolis.

Where's area code 667? � It is located in central Maryland, USA, covering Baltimore and its surrounding metropolitan area.

Frequently Asked Questions (FAQ) about 667 Area Code

What is the 667 area code?

The 667 area code is a Maryland area code serving Baltimore, Annapolis, Columbia, and surrounding areas.

When was the 667 area code created?

The 667 area code was introduced in 2012 as an overlay to the 410 and 443 area codes.

Where is area code 667 located?

It is located in central Maryland, USA, covering Baltimore and nearby regions.

Does 667 have overlays?

Yes. The 667 area code overlays with 410 and 443.

What time zone is 667 in?

The 667 area code is in the Eastern Time Zone (UTC -5 / -4 DST).

667 Area Code