- This city has 2 overlayed area codes.
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Area code 301 serves central and western Maryland, encompassing the cities of Silver Spring, Bethesda, and Bowie, among others. Established in 1947, it was one of the original area codes created by AT&T as part of the North American Numbering Plan. Originally, area code 301 covered much of Maryland, but with increasing demand for telephone numbers, it underwent a split in 1990, resulting in the creation of area code 240 to cater to the growing population and telecommunications needs in the region.
This area code primarily serves suburban communities adjacent to Washington, D.C., which influences its telecommunications landscape. The proximity to the capital has led to a high volume of telecommunications traffic, facilitating a blend of residential and business communications. Additionally, area code 301 incorporates several unique features, such as a mix of traditional and modern communication services, including landlines and mobile phones, as well as a variety of VoIP options that cater to a diverse population.
The region's telecommunications infrastructure plays a critical role in its economy, supporting a range of industries, including government, healthcare, and technology, which are prevalent in the area. Enhanced connectivity options and evolving technologies contribute to the area code's ongoing relevance, adapting to meet the needs of its residents and businesses alike.
Area code 301 serves parts of Maryland, including Bowie and Rockville. Here's what to know about its coverage and usage.
If you receive a phone call with the first 3 digits 301 in the United States, you should know that they could belong to Aspen Hill (MD), Bowie (MD), Chillum (MD), Clinton (MD), College Park (MD), Cumberland (MD), Fairland (MD), Fort Washington (MD), Frederick (MD), Gaithersburg (MD), Germantown (MD), Greenbelt (MD), Hagerstown (MD), Landover (MD), Montgomery Village (MD), North Bethesda (MD), North Potomac (MD), Olney (MD), Potomac (MD), Rockville (MD), Saint Charles (MD), Silver Spring (MD), South Laurel (MD), Suitland (MD), Waldorf (MD), White Oak (MD).
Dialing the area code 301 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 301. 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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