WhereCall is here to provide you with the most information on the area code 857, located in MASSACHUSETTS.

NPA Information
Area Code (NPA) 857
In Jeopardy? No
Is Assigned? Yes
Assignment Date 03 May 2000
In Service? Yes
In Service Date 02 May 2001
Parent NPA 617
Overlay Yes
Overlay Complex
Predominant Timezone(s) UTC-05:00

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