Maryland Area code

Welcome to our ultimate guide on Maryland area codes and the regions they serve. From Baltimore to Frederick and from Annapolis to Cumberland, we've got you covered with accurate and up-to-date information on all the area codes in this beautiful state. Let's dive in and discover everything you need to know about Maryland's telephone numbering plan.

How many area codes does Maryland have?

Area code of Maryland

Maryland has five area codes in total. These are 240, 301, 410, 443, and 667. The first area code to be introduced was 301 in 1947, which served the entire state until the other area codes were added to alleviate the growing demand for telephone numbers. Area codes 240 and 301 cover the western parts of Maryland, while area codes 410, 443, and 667 serve the eastern and southern parts of the state, including the Baltimore metropolitan area. Despite the recent rise in cell phone usage, the demand for landline numbers still exists, and Maryland continues to require multiple area codes to accommodate the growing population.

List of all Maryland area codes

Are you planning a business expansion to Maryland? Our carefully curated list of Maryland area codes is exactly what you need to conquer the state's unique market. Don't waste any more time searching for area codes, check out the table below and start reaching out to potential customers in Maryland today!

<table class="tableizer-table"> <thead><tr class="tableizer-firstrow"><th>Area codes</th><th>Selected cities</th></tr></thead><tbody> <tr><td>240, 301</td><td>Frederick, Hagerstown, Bethesda</td></tr> <tr><td>410, 443</td><td>Baltimore, Salisbury, Annapolis</td></tr> </tbody></table>

History of the location

Frequently Asked Questions about Maryland Area code

1. What is the Maryland area code?

The Maryland area code is 410. This is the original and oldest area code in Maryland and covers the entire eastern part of the state, including the cities of Baltimore, Annapolis, and Salisbury.

2. Is there more than one area code in Maryland?

Yes, there are two area codes in Maryland. In addition to the original area code 410, there is also area code 443 which was established in 1997 due to the exponential increase in demand for phone numbers caused by the advent of cellular phones in the state of Maryland.

3. Can I change my phone number to a different area code in Maryland?

Yes, in Maryland, you have the ability to request a new phone number with either the 410 or 443 area code. However, availability may be limited and subject to your provider's policies.

4. How do I dial out of state calls from Maryland?

To dial out of state calls from Maryland you need to add “1” along with the area code of the person you are calling. For example, if the person is in California and their area code is 408, you will dial 1-408-XXX-XXXX (X being the person's phone number).

5. What is a Maryland overlay area code?

The concept of overlay area codes was introduced in Maryland in the late 1990s, due to the rapid increase in demand for cellular phone numbers. 410 and 443 is Maryland's overlay area code which means when a new phone number is assigned or requested, an available number from either the 410 or 443 area code may be given out.

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