Look up any phone number starting with 667 to identify the owner name, address, spam reports, and more. The 667 area code serves the eastern half of the U.S. state of Maryland, including the Baltimore metropolitan area and the Eastern Shore.
Enter a full 10-digit number to identify the caller and whether it has been reported as spam.
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Phone numbers with the 667 area code prefix originate from the eastern half of the U.S. state of Maryland, covering the Baltimore metropolitan area and the Eastern Shore.
Area code 667 is part of an overlay system that serves the same geographic region in Maryland. This numbering plan area is served by three area codes: 410 , 443 , and 667. Area code 410 was the initial code for the region, introduced on October 6, 1991, following a split from area code 301 . Area code 443 was subsequently overlaid onto the 410 territory on July 1, 1997. The 667 area code was implemented as a third overlay code on March 24, 2012, due to continued number exhaustion. With this overlay system, ten-digit dialing is required for all local calls within this numbering plan area.
Area code 667 is a general purpose code which was placed in service on March 24, 2012.
Our Maryland phone number lookup for the 667 area code analyzes the three-digit prefix to identify the initially assigned telecommunications company and rate center. This prefix code data may help to determine the U.S. carrier, Maryland geographic region, and local calling area associated with the phone number.
Phone numbers follow the following structure under the North American Numbering Plan:
Understanding the area code can help you determine if a call is local to your area. However, keep in mind that due to mobile number portability and VoIP services, the caller may be anywhere in the United States, so it’s best to search for the most recent phone number details.
| Company | Number of Prefixes |
|---|---|
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 7 |
| NEW CINGULAR WIRELESS PCS, LLC - DC | 2 |
| ATLANTECH ONLINE, INC. - MD | 1 |
| COMCAST IP PHONE, LLC | 1 |
| CORE COMMUNICATIONS, INC.- MD | 1 |
| LEVEL 3 COMMUNICATIONS, LLC - MD | 1 |
| NUSO, LLC | 1 |
| OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 1 |
| US LEC OF MARYLAND, INC. | 1 |
| WORLDCALL INTERCONNECT INC. | 1 |
Carrier names have been updated from their original FCC assignments to reflect current companies following mergers, acquisitions, and rebranding. Updates were determined using AI-assisted research and may not be accurate or reflect up to date changes. This data is provided without warranties of accuracy or completeness.
| Rate Center | Number of Prefixes |
|---|---|
| BALTIMORE | 11 |
| ABERDEEN | 1 |
| ANNAPOLIS | 1 |
| ELKRIDGE | 1 |
| ELKTON | 1 |
| SALISBURY | 1 |
| WEST RIVER | 1 |
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