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Phone Directory 631-978 Detail

State Major City Time Zone
New York Deer Park Eastern

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Example: (631) 978-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
631-978 Port Jefferson, NY Allegiance Telecom Suffolk Landline 06/30/2001

Other Series For Prefixes

631-9780###
631-9781###
631-9782###
631-9783###
631-9784###
631-9785###
631-9786###
631-9787###
631-9788###
631-9789###