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Area Code 340 Map and Location

Area code 340 is located in N. That is the approximate area that is served by this exchange.

Area Code 340 - Cities, Neighborhoods and Local Features

X
Unknown
Christiansted

St. Croix
Castle Rock
Carolina
St Croix

St Thomas
Tutu

Area code 340 currently contains 72 valid local exchanges. Click an exchange below to get more information about the supported thousands digit of the phone number.s