Area Code 240

Area Code 240 information.

Area Code 240 Details
Country	United States
State/Province	Maryland
Major City	Baltimore
Time Zone	Eastern

Area Code 240 Prefixes

Prefix	County	Phone Type	Status
240-372	Montgomery	Cell Number	Active
240-373	Anne Arundel	Landline	Active
240-374	Prince Georges	Landline	Active
240-375	Prince Georges	Cell Number	Active
240-376	Charles	Landline	Active
240-377	Charles	Landline	Active
240-378	Allegany	Landline	Active
240-379	Frederick	Landline	Active
240-380	Montgomery	Cell Number	Active
240-381	Montgomery	Cell Number	Active
240-382	Washington	Landline	Active
240-383	Montgomery	Cell Number	Active
240-384	Saint Marys	Landline	Active
240-385	Frederick	Landline	Active
240-386	Montgomery	Landline	Active
240-387	Montgomery	Landline	Active
240-388	Montgomery	Cell Number	Active
240-389	Montgomery	Landline	Active
240-390	Montgomery	Landline	Active
240-391	Prince Georges	Landline	Active

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