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 |
---|---|---|---|
301-386 | Prince Georges | Hyattsville, MD | Verizon Maryland |
301-387 | Garrett | Swanton, MD | Verizon Maryland |
301-388 | Montgomery | Silver Spring, MD | Verizon Maryland |
301-389 | Prince Georges | Laurel, MD | Tw Telecom Of Maryland LLC |
301-390 | Prince Georges | Bowie, MD | Verizon Maryland |
301-391 | Montgomery | Damascus, MD | Verizon Maryland |
301-392 | Charles | La Plata, MD | Verizon Maryland |
301-393 | Washington | Hagerstown, MD | Verizon Maryland |
301-394 | Prince Georges | Beltsville, MD | Verizon Maryland |
301-395 | Prince Georges | Laurel, MD | Cellco Partnership DBA Verizon Wireless |
301-396 | Charles | Waldorf, MD | Verizon Maryland |
301-397 | Prince Georges | Greenbelt, MD | Verizon Maryland |
301-398 | Montgomery | Rockville, MD | Verizon Maryland |
301-399 | Charles | Waldorf, MD | Sprint Spectrum L.p. |
301-400 | Montgomery | Rockville, MD | Verizon Maryland |
301-401 | Frederick | Frederick, MD | New Cingular Wireless PCS - DC |
301-402 | Montgomery | Bethesda, MD | Verizon Maryland |
301-403 | Prince Georges | Hyattsville, MD | Verizon Maryland |
301-404 | Prince Georges | Beltsville, MD | Sprint Spectrum L.p. |
301-405 | Prince Georges | Hyattsville, MD | Paetec Communications |
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.