Area code 609, Telephone prefix in central and southern New Jersey, US
Area code 609 is a telephone prefix that covers a large region in central and southern New Jersey, connecting cities like Trenton, Princeton, and Atlantic City. It extends across numerous communities along the Atlantic coast and the Jersey Shore.
Area code 609 was established in 1957 when the original 201 prefix split due to growing population demands. It became the second new prefix assigned to New Jersey to manage increasing telephone traffic.
The telephone code region includes Princeton University, Atlantic City Boardwalk, and numerous historical landmarks connected to early American development.
Within the 609 area, local calls require only seven digits, while calls from outside the region need the full ten-digit number. This makes it straightforward to determine whether you're calling within or beyond the service zone.
Area code 609 represents the largest numbering plan area in New Jersey, spanning from central regions to coastal territories.
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