NPA - 667 Maryland (MD)
The 667 Area Code is located in the state of Maryland. Area Code 667 is one of the 312 three-digit telephone area codes in the USA. It covers roughly 23,372 unique phone numbers and 7,359,044 individuals near the cities of Baltimore-Columbia-Towson.
NPA - 667 History: Area code 667 was placed into service as an overlay of area codes 443 and 410. Mandatory 10 digit dialing is required.
There are a few special area codes with the last two digits 422 match, these are known as easily recognizable codes (ERCs). The 8xx set of numbers are reserved for toll-free services and communication.
Those numbers can be found in the following cities or locations: Maryland (MD).
667 Stats:
State: Maryland (MD)
Metro Area: Baltimore-Columbia-Towson
Nearby Area Codes:
240, 301, 410, 443, 667,
Phone Prefixes: 67
Est. Population: 7,359,044
Phone Numbers: 23,372
Cities in area code 667:
Aberdeen, Baltimore, Crofton, Pikesville, Salisbury, Solomons, Towson.
Related phone operators in Area Code 667:
365 Wireless, Bandwidth.com Clec, Cellco Partnership DBA Verizon Wireless, Level 3 Communications, Local Access LLC, Metro PCS, New Cingular Wireless PCS - DC, Peerless Network Of Maryland, Us Lec Of Maryland, Verizon Maryland, Xo Maryland.