Local Phone Numbers
Maryland
667 Area Code
667 Area Code
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The 667 area code is an overlay for the 410 code, covering central Maryland, including Baltimore, Annapolis, Columbia, Towson, and surrounding communities. By using a 667 number, your business gains credibility across one of Maryland’s most active economic regions, known for its healthcare, shipping, technology, and government industries.
DialLink makes it simple for SMBs and startups to activate a 667 area code number and manage calls, messages, and voicemails from a single platform. With AI-powered features, you can streamline communication, maintain professionalism, and scale operations efficiently, whether you’re based in Maryland or connecting from afar.
Why Choose a 667 Area Code?
The 667 area code was introduced to meet the growing demand for phone numbers in the 410 region. Both codes cover the same geographic area, so businesses can secure new numbers while maintaining the recognition of local ties to Baltimore and central Maryland.
For companies, a 667 area code number signals accessibility, trust, and a commitment to serving Maryland customers, no matter where your team operates from.
Get More Than a Local Number
When you choose a local number from DialLink, you're getting more than just digits:
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AI call tagging & summaries
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AI-powered business messaging
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Who Can Benefit from a Local Phone Number
Businesses serving Baltimore, Annapolis, and Columbia
Remote-first companies targeting Maryland customers
Healthcare providers, tech firms, and logistics companies
Local service providers and consultants in Maryland
How to Get a Local Number with DialLink
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Frequently Asked Questions
Where is the 667 area code located?
The 667 area code covers central Maryland, including Baltimore, Annapolis, Columbia, and Towson.
What is the 667 area code an overlay for?
The 667 area code is an overlay for the 410 area code, serving the same region in Maryland.
What is an overlay area code?
An overlay is when a new area code is assigned to the same geographic region as an existing one, increasing the supply of phone numbers without changing current ones.
What is the area code of the United States?
The U.S. does not use one single area code. Instead, it uses the country code +1, followed by regional area codes.
What area codes are from Maryland?
How many unique numbers can there be per area code?
Each area code can provide about 7.9 million unique phone numbers.
How do area codes on phone numbers work?
Area codes are part of the North American Numbering Plan (NANP), dividing regions into zones so calls can be routed correctly.
Why do landline phone numbers have area codes?
Area codes were created to manage the rising demand for phone lines and ensure each call connected to the right region.
How many digits are in an area code?
In the United States, all area codes have three digits.
