Active Prefixes in Area Code 201
Prefix |
Primary City |
Usage |
Company |
301-417-#### |
Washington Zone 10 |
Landline Numbers |
Verizon Maryland, In... |
301-418-#### |
Frederick |
Landline Numbers |
Verizon Maryland, In... |
301-419-#### |
Beltsville |
Landline Numbers |
Verizon Maryland, In... |
301-420-#### |
District Heights |
Landline Numbers |
Verizon Maryland, In... |
301-421-#### |
Ashton 236 |
Landline Numbers |
Verizon Maryland, In... |
301-422-#### |
Hyattsville |
Landline Numbers |
Verizon Maryland, In... |
301-423-#### |
Temple Hills |
Landline Numbers |
Verizon Maryland, In... |
301-424-#### |
Rockville |
Landline Numbers |
Verizon Maryland, In... |
301-425-#### |
Beltsville |
Landline Numbers |
Verizon Maryland, In... |
301-426-#### |
Beltsville |
Landline Numbers |
Verizon Maryland, In... |
301-427-#### |
Silver Spring |
Landline Numbers |
Verizon Maryland, In... |
301-428-#### |
Gaithersburg |
Landline Numbers |
Verizon Maryland, In... |
301-429-#### |
Lanham |
Landline Numbers |
Verizon Maryland, In... |
301-430-#### |
Upper Marlboro |
Landline Numbers |
Verizon Maryland, In... |
301-431-#### |
Washington Zone 3 |
Landline Numbers |
Verizon Maryland, In... |
301-432-#### |
Keedysville |
Landline Numbers |
Verizon Maryland, In... |
301-433-#### |
Beltsville |
Landline Numbers |
Verizon Maryland, In... |
301-434-#### |
Washington Zone 3 |
Landline Numbers |
Verizon Maryland, In... |
301-435-#### |
Bethesda |
Landline Numbers |
Verizon Maryland, In... |
301-436-#### |
Hyattsville |
Landline Numbers |
Verizon Maryland, In... |
301-437-#### |
Washington Zone 3 |
Wireless Numbers |
Sprint Spectrum L.p.... |
301-438-#### |
Rockville |
Landline Numbers |
Verizon Maryland, In... |
301-439-#### |
Washington Zone 3 |
Landline Numbers |
Verizon Maryland, In... |
301-440-#### |
Silver Spring |
Wireless Numbers |
Sprint Spectrum L.p.... |
301-441-#### |
College Park |
Landline Numbers |
Verizon Maryland, In... |
301-442-#### |
Washington Zone 3 |
Wireless Numbers |
Sprint Spectrum L.p.... |
301-443-#### |
Rockville |
Landline Numbers |
Verizon Maryland, In... |
301-444-#### |
Gaithersburg |
Landline Numbers |
Verizon Maryland, In... |
301-445-#### |
Washington Zone 3 |
Landline Numbers |
Verizon Maryland, In... |
301-446-#### |
College Park |
Landline Numbers |
Verizon Maryland, In... |