Discover how you can pass your certification exams with 240 Tutoring. Here you'll find teacher certification exam study guides for a variety of classes. Where is area code 240?

Understanding the Context

Area code 240 is located in western Maryland and covers Germantown, Silver Spring, Waldorf, Frederick, and Rockville. It is an overlay for area code 301 and serves the same area. Practice Tests Each study guide comes with three full-length practice tests. Earn a 90% or higher on a practice test and be eligible for our 240 Guarantee!

Key Insights

Area Code 240 is located in Maryland. It covers 111 cities, including Baltimore, Columbia, Cumberland, Waldorf, and Silver Spring. It also covers 13 counties, including Montgomery County, Prince Georges County, Frederick County, Charles County, and Howard County. Area Code 240 Boundary Map List of ZIP Codes in Area Code 240 ... List of Counties in Area Code 240 ...

Final Thoughts

List of Major Cities/Towns in Area Code 240 Find 240 area code details including city, time zone, and map. Lookup area code 240 phone number, name, and location. In 1997, area code 240 was added as an overlay area code for the 301 territory. On , a third overlay code, 227, was added to provide more central office prefixes for new telephone numbers. Metro 240 bus Stop List and Next Departures The Metro 240 - Local Line bus serves 78 bus stops in the Los Angeles area departing from Universal / Studio City Station and ending at Reseda / Devonshire. Scroll down to see upcoming 240 bus times at each stop and the next scheduled 240 bus times will be displayed.