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
301-490 Laurel Prince Georges Landline
301-491 Hagerstown Washington Cell Number
301-497 Laurel Prince Georges Landline
301-498 Laurel Prince Georges Landline
301-501 Oakland Garrett Cell Number
301-508 Myersville Frederick Cell Number
301-514 Frederick Frederick Cell Number
301-515 Gaithersburg Montgomery Landline
301-519 Gaithersburg Montgomery Landline
301-524 Frederick Frederick Cell Number
301-525 Gaithersburg Montgomery Landline
301-527 Gaithersburg Montgomery Landline
301-528 Gaithersburg Montgomery Landline
301-533 Oakland Garrett Landline
301-534 Indian Head Charles Landline
301-535 Waldorf Charles Cell Number
301-536 Leonardtown Saint Marys Cell Number
301-539 La Plata Charles Landline
301-540 Gaithersburg Montgomery Landline
301-542 Waldorf Charles Landline
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