Area Code 410 Maryland, USA

WhereCall is here to provide you with the most information on the area code 410, located in Maryland, USA. This area code contains 800 prefixes and is in jeopardy of exceeding the known supply of central office codes during the planning/implementation interval for relief.

NPA Information
Area Code (NPA)410
LocationMaryland, USA
In Jeopardy?Yes
Is Assigned?Yes
In Service?Yes
In Service Date06 Oct 1991
Parent NPA301
Overlay Complex410/443/667
Predominant Timezone(s)UTC-05:00
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