- This city has 3 overlayed area codes.
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Area Code 443 serves the state of Maryland and covers a significant portion of the Baltimore metropolitan area, as well as parts of the Eastern Shore and Southern Maryland. Established in 1997 as an overlay for area code 410, 443 became necessary due to the increasing demand for telephone numbers prompted by the rise of cellular and pager services.
The area code is part of a broader strategy to manage the limited pool of available numbers while accommodating the growth of telecommunications technology. As an overlay, 443 includes all geographic regions initially served by 410, allowing residents and businesses to retain their original area code while providing new numbers within the same region.
Geographically, 443 encompasses diverse communities, from urban centers like Baltimore to various suburban and rural locales. The area code's implementation also reflects the transition in telecommunications, where wireless communication increasingly dominates landline usage.
In addition to traditional landline services, Area Code 443 supports a wide range of telecommunications services, including VoIP and mobile phones, facilitating advanced features such as text messaging and data plans. As a result, it plays a vital role in the connectivity of both individuals and businesses in the region.
Notably, Maryland has multiple area codes—410, 301, and 240—all actively serving different regions, contributing to the state’s unique telecommunications landscape.
Area code 443 covers the Baltimore area in Maryland. Here’s what you should know about calls to and from this region.
If you receive a phone call with the first 3 digits 443 in the United States, you should know that they could belong to Annapolis (MD), Arbutus (MD), Arnold (MD), Baltimore (MD), Bel Air North (MD), Bel Air South (MD), Carney (MD), Catonsville (MD), Columbia (MD), Crofton (MD), Dundalk (MD), Edgewood (MD), Eldersburg (MD), Ellicott City (MD), Essex (MD), Glen Burnie (MD), Lochearn (MD), Middle River (MD), Milford Mill (MD), Odenton (MD), Parkville (MD), Perry Hall (MD), Pikesville (MD), Randallstown (MD), Reisterstown (MD), Salisbury (MD), Severn (MD), Severna Park (MD), South Gate (MD), Towson (MD), West Elkridge (MD).
Dialing the area code 443 from another state in the United States is considered a long-distance call. Here’s how to make the call: First, dial the area code for 443. Each state, and sometimes specific cities within a state, has unique area codes. Then, enter the 7-digit phone number of the person or business you’re trying to reach. If you’re calling from a landline, check with your provider, as long-distance charges may apply. However, most mobile carriers in the U.S. offer nationwide calling without additional fees. Alternatively, you can use VoIP or internet-based calling apps, like Skype, Zoom, or WhatsApp, to bypass traditional long-distance charges. The number you want to reach should look like this: 1-(AreaCode)-111-2222.
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