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Phone Directory 631-257 Detail

State Major City Time Zone
New York Deer Park Eastern

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Example: (631) 257-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
631-257 Smithtown, NY Cablevision Lightpath Suffolk Landline 05/30/2012

Other Series For Prefixes

631-2570###
631-2571###
631-2572###
631-2573###
631-2574###
631-2575###
631-2576###
631-2577###
631-2578###
631-2579###