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
301-208 Gaithersburg Montgomery Landline
301-210 Beltsville Prince Georges Landline
301-216 Gaithersburg Montgomery Landline
301-223 Williamsport Washington Landline
301-228 Frederick Frederick Landline
301-232 Sandy Spring Montgomery Landline
301-242 Brandywine Prince Georges Landline
301-245 Bittinger Garrett Landline
301-246 Nanjemoy Charles Landline
301-247 Leonardtown Saint Marys Cell Number
301-250 Rockville Montgomery Landline
301-252 Gaithersburg Montgomery Cell Number
301-253 Damascus Montgomery Landline
301-256 Laurel Prince Georges Landline
301-260 Ashton Montgomery Landline
301-264 Mount Savage Allegany Landline
301-266 Waldorf Charles Cell Number
301-268 Cumberland Allegany Cell Number
301-271 Thurmont Frederick Landline
301-274 Hughesville Charles Landline
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