District of Maryland area codes: 301 | |
---|---|
Country | United States |
State/Province | Maryland |
Major City | Baltimore |
Time Zone | Eastern (UTC-05:00) |
Prefix | County | Primary City | Company |
---|---|---|---|
301-365 | Montgomery | Bethesda, MD | Verizon Maryland |
301-366 | Montgomery | Gaithersburg, MD | Sprint Spectrum L.p. |
301-367 | Montgomery | Silver Spring, MD | Cellco Partnership DBA Verizon Wireless |
301-368 | Montgomery | Damascus, MD | Verizon Maryland |
301-369 | Prince Georges | Laurel, MD | Verizon Maryland |
301-370 | Montgomery | Gaithersburg, MD | Sprint Spectrum L.p. |
301-371 | Frederick | Middletown, MD | Verizon Maryland |
301-372 | Prince Georges | Brandywine, MD | Verizon Maryland |
301-373 | Saint Marys | Hollywood, MD | Verizon Maryland |
301-374 | Charles | Waldorf, MD | Verizon Maryland |
301-375 | Charles | Bryans Road, MD | Verizon Maryland |
301-376 | Prince Georges | Laurel, MD | Verizon Maryland |
301-377 | Prince Georges | Laurel, MD | Comcast Phone Of Northern Maryland |
301-378 | Frederick | Frederick, MD | Comcast Phone Of Northern Maryland |
301-379 | Prince Georges | Beltsville, MD | Sprint Spectrum L.p. |
301-380 | Montgomery | Rockville, MD | Verizon Maryland |
301-382 | Montgomery | Rockville, MD | Verizon Maryland |
301-383 | Prince Georges | Glenn Dale, MD | Comcast Phone Of Northern Maryland |
301-384 | Montgomery | Silver Spring, MD | Verizon Maryland |
301-385 | Montgomery | Bethesda, MD | New Cingular Wireless PCS - DC |
There are 775 prefixes, In the code area, the major cities are Aspen Hill, MD;Bethesda, MD;Bowie, MD;Chillum, MD;. The major city is Baltimore.