Search For US Area Code. View our Maryland area code information. Area code 240 is an overlay of area code 301. Maryland is utilizing two area code overlay plans, often called overlay complexes. Maryland is currently using five area codes. Find area codes fast with the area code search. In 1991 area code 301 was split to form area code 410. Area code 410 was created from a split of area code 301. Changes and History of Maryland Area Codes: Area code 443 is an overlay of area code 410. Area Code Search. Area code 227 is proposed as an overlay of area code 240 and 301 but is not yet in service. https://en.wikipedia.org/w/index.php?title=List_of_Maryland_area_codes&oldid=945634247, Creative Commons Attribution-ShareAlike License, This page was last edited on 15 March 2020, at 05:59. Maryland Area Codes Map. It was not until forty-four years later in 1991 that Maryland experienced sufficient growth in population and telephone use to need an additional area code. Maryland area codes map. 06/01/1997 Area code 667 was put into service as an overlay of area code 443 and 410. Later in 1997 area code 301 was overlaid with area code 240 and area code 410 was overlaid with area code 443. Disclaimer : All efforts have been made to make this image accurate. Area Codes in Maryland - Below are all the area codes in Maryland. Description : Maryland area code map showing the counties of the state along with their area code. In 1997 area codes 301 was overlaid with area code 240. not in service To meet this increase in demand area code 301 was split to form area code 410. These changes resulted in four area codes being utilized in Maryland by 1997. If you have any suggestions or comments contact us. 240 301 410 443 . In 1997 area code 410 was overlaid with area code 443. Maryland area codes map. 03/24/2012 Maryland originally had one area code, 301, when the numbering system was established in 1947. View Cart: Home | Contact | TOS | Site Map: Area Code Database: ZIP Code Database: ZIP Code Street Maps: Area Code Lookup : Lookup any area code or prefix (NPA/NXX) in our database using our FREE Area Code Finder Below: Area Code (NPA) Prefix (NXX) City: State Abbrev. When area code 227 is implemented the new overlay plan, or complex, will be 301/240/227. Find area codes fast with the Area Code Search. Find Maryland Area Codes using Map – Search for Area Codes by State. Zip Code: County: Company (Ex: Verizon) Advanced Search. Area code 443 was put into service. The new overlay plan is 410/443/667. Area code 240 was put into service. The introduction of the new code was decided back in 2001. 01/01/1947 Terms of Use | Privacy Statement | Site Map There are two lists that wirefly provides for the area codes in maryland. Maryland is currently using five area codes. Area code 301 was put into service. List of all area codes in Baltimore, MD. www.AreaCodeHelp.com is not responsible for any damages or problems caused by this service. Clicking on an area code will show the cities in that area code. Enter a city and state in the search box below to find all the area codes in that city. Because this part of Maryland has 2 area codes already and, therefore, 10 digit dialing has been mandatory since the introduction of area code 443 in 1997, no permissive 10 digit dialing will be needed. Area code 410 was put into service. Maryland is utilizing two area code overlay plans, often called overlay complexes. The state of Maryland is served by the following area codes: A new area code 667 activated on March 24, 2012 for the eastern part of Maryland currently served by area codes 410 and overlay area code 443 and covering cities such as Aberdeen, Baltimore, Ellicott City and Dundalk. Site Copyright 2006-2020 www.areacodehelp.com, Area Codes in Selected Maryland Locations. If you are looking for the area code for a particular city, you can search area codes by city using our area code … A new area code 667 activated on March 24, 2012 for the eastern part of Maryland currently served by area codes 410 and overlay area code 443 and covering cities such as Aberdeen, Baltimore, Ellicott City and Dundalk. Or Find the Area Code. The introduction of the new code was decided back in 2001. Area Code FAQ and Definitions | State Utility Commissions | Original Area Codes 06/01/1997 In 2012 Maryland added area code 667 as an overlay of area codes 410/443/667. Area Code Changes | Ten Digit Dialing | Toll Free Numbers Print. It was not until forty-four years later in 1991 that Maryland experienced sufficient growth in population and telephone use to need an additional area code. Area codes in maryland below are all the area codes in maryland. Disclaimer: Close. Maryland originally had one area code, 301, when the numbering system was established in 1947. 10/06/1991 Baltimore, MD area code map, list, and phone lookup. To find information on a specific area code, use the area code lookup that makes it easy to find an area code by number and gives detailed information including city/state, timezone, and area code maps.