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667 Area Code — Baltimore, MD
Area code 667 serves Baltimore, MD.
Most looked-up 667 numbers
Phone prefixes in 667
Frequently asked questions
Where is area code 667?
Area code 667 serves Baltimore, MD.
What prefixes are in area code 667?
Phone2.io tracks 2 phone prefixes in area code 667, with carrier and spam-report data on individual numbers.
More about area code 667
Area code 667 overview, history, and local numbers · Get a MD phone number
Last updated: April 30, 2026