Area Code 301

Detailed information for Area Code 301
General Information for Area Code 301
Country United States
State/Province Maryland
Major City Rockville
Time Zone Eastern (UTC-05:00)

Area Code 301 Prefixes

Prefix Primary City County Phone Type
301-543 Laurel Prince Georges Landline
301-549 Laurel Prince Georges Landline
301-553 Waldorf Charles Cell Number
301-556 Gaithersburg Montgomery Landline
301-569 Gaithersburg Montgomery Cell Number
301-570 Ashton Montgomery Landline
301-573 Hagerstown Washington Cell Number
301-575 Laurel Prince Georges Landline
301-579 Brandywine Prince Georges Landline
301-582 Hagerstown Washington Landline
301-591 Gaithersburg Montgomery Landline
301-596 Columbia Howard Landline
301-597 Hancock Washington Landline
301-600 Frederick Frederick Landline
301-604 Laurel Prince Georges Landline
301-606 Frederick Frederick Cell Number
301-607 New Market Frederick Landline
301-609 La Plata Charles Landline
301-616 Oakland Garrett Cell Number
301-617 Laurel Prince Georges Landline
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