WhereCall is here to provide you with the most information on the area code 410, located in MARYLAND.

NPA Information
Area Code (NPA) 410
In Jeopardy? No
Is Assigned? Yes
Assignment Date 28 Dec 1990
In Service? Yes
In Service Date 06 Oct 1991
Parent NPA 301
Overlay Yes
Overlay Complex
Predominant Timezone(s) UTC-05:00

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