North American area code +1 301 is roughly the southern/western half of Maryland, USA, including the Washington, D.C., suburbs, but not Baltimore or Annapolis. Area code +1 240 is an overlay on +1 301, serving the same communities.
International country code +240 is Equatorial Guinea in Africa.
120/240 volts is the working voltage in North America.
Waldorf, MD, is in area code 301 with overlay code 240.
The country code and area code of Tulcea, Romania is 40, (0)240.
The country code and area code of Cheleken, Turkmenistan is 993, (8)240.
The country code and area code of Apure, Venezuela is 58, (0)240.
120/240 volts is the working voltage in North America.
The country code and area code of Futaba District- Fukushima, Japan is 81, (0)240.
The country code and area code of Kalix, Sweden is 46, (0)923.
Yes, in fact all of North America.
The country code and area code of Aurangabad- Aurangabad, India is 91, (0)240.
Yes, 240 volts is generated at 50 Hertz. This is a European frequency where as the frequency generated in North America is 60 Hertz.
Yes <<>> In North America, a three wire 120/240 volt system uses a neutral wire. For 240 volts two "hot" wires are used with no neutral.