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NDC: 631

This is the National Destination Code(NDC):631 page list. Its detail is as below.
Area code 631 was first put in service November 1, 1999. Currently, the largest city it serves is Brentwood, NY, and it overlaps coverage areas with area code 934.
Prefix State Primary city Usage Carrier
(631) 320- New York Selden Wireless Cablevision Lightpath
(631) 321- New York Babylon Landline Verizon New York
(631) 322- New York Brentwood Wireless Usa Mobility Wireless
(631) 323- New York Greenport Landline Verizon New York
(631) 324- New York East Hampton Landline Verizon New York
(631) 325- New York Eastport Landline Verizon New York
(631) 326- New York Commack Landline Xo New York
(631) 327- New York Huntington Wireless New Cingular Wireless PCS - DC
(631) 328- New York Bay Shore Landline Broadview Networks
(631) 329- New York East Hampton Landline Verizon New York
(631) 330- New York Farmingdale Landline Cablevision Lightpath
(631) 331- New York Port Jefferson Landline Verizon New York
(631) 332- New York Brentwood Wireless New Cingular Wireless PCS - DC
(631) 333- New York Greenport Landline Broadview Networks
(631) 334- New York Central Islip Wireless Sprint Spectrum L.p.
(631) 335- New York Brentwood Wireless Cellco Partnership DBA Verizon Wireless
(631) 336- New York Brentwood Wireless Metro PCS
(631) 337- New York Sayville Landline Global Crossing Local Services-ny
(631) 338- New York Brentwood Wireless Cellco Partnership DBA Verizon Wireless
(631) 339- New York Brentwood Landline Bandwidth.com Clec
(631) 340- New York Babylon Wireless Usa Mobility Wireless
(631) 341- New York Yaphank Landline Verizon New York
(631) 342- New York Central Islip Landline Verizon New York
(631) 343- New York Commack Landline Cablevision Lightpath
(631) 344- New York Yaphank Landline Verizon New York
(631) 345- New York Yaphank Landline Verizon New York
(631) 346- New York Selden Landline Bandwidth.com Clec
(631) 348- New York Central Islip Landline Verizon New York
(631) 349- New York Stony Brook Wireless Aquis Communications
(631) 350- New York Westbury Landline Mcimetro Access Transmission Services LLC
(631) 351- New York Huntington Landline Verizon New York
(631) 352- New York Smithtown Wireless Sprint Spectrum L.p.
(631) 353- New York Southampton Landline Bandwidth.com Clec
(631) 354- New York Mattituck Landline Level 3 Communications
(631) 355- New York Brentwood Wireless Omnipoint Communications
(631) 356- New York Brentwood Wireless Omnipoint Communications
(631) 357- New York Brentwood Landline Verizon New York
(631) 358- New York Babylon Wireless Cellco Partnership DBA Verizon Wireless
(631) 359- New York Wading River Landline Peerless Network Of New York
(631) 360- New York Smithtown Landline Verizon New York
(631) 361- New York Smithtown Landline Verizon New York
(631) 363- New York Patchogue Landline Verizon New York
(631) 364- New York Stony Brook Landline Broadview Networks
(631) 365- New York Brentwood Wireless Sprint Spectrum L.p.
(631) 366- New York Smithtown Landline Verizon New York
(631) 367- New York Cold Spring Harbor Landline Verizon New York
(631) 368- New York Commack Landline Verizon New York
(631) 369- New York Riverhead Landline Verizon New York
(631) 370- New York Farmingdale Landline Teleport Communications Group
(631) 371- New York St James Wireless Sprint Spectrum L.p.
(631) 373- New York Brentwood Wireless Usa Mobility Wireless
(631) 374- New York Brentwood Wireless New Cingular Wireless PCS - DC
(631) 375- New York Riverhead Wireless New Cingular Wireless PCS - DC
(631) 376- New York Babylon Landline Verizon New York
(631) 377- New York Southampton Wireless New Cingular Wireless PCS - DC
(631) 378- New York Shoreham Landline Level 3 Communications
(631) 379- New York Brentwood Wireless Cellco Partnership DBA Verizon Wireless
(631) 380- New York Huntington Landline Teleport Communications Group
(631) 382- New York Smithtown Landline Verizon New York
(631) 383- New York Bay Shore Wireless Sprint Spectrum L.p.
(631) 384- New York Selden Wireless Sprint Spectrum L.p.
(631) 385- New York Huntington Landline Verizon New York
(631) 386- New York Farmingdale Landline Paetec Communications
(631) 387- New York Commack Landline Teleport Communications Group
(631) 388- New York Woodbury Landline Cablevision Lightpath
(631) 389- New York Ronkonkoma Landline Broadview Networks
(631) 390- New York Farmingdale Landline Cablevision Lightpath
(631) 391- New York Farmingdale Landline Verizon New York
(631) 392- New York Deer Park Landline Cablevision Lightpath
(631) 393- New York Farmingdale Landline Cablevision Lightpath
(631) 394- New York Yaphank Wireless Sprint Spectrum L.p.
(631) 395- New York Mastic Landline Verizon New York
(631) 396- New York Farmingdale Landline Cablevision Lightpath
(631) 397- New York Amityville Landline Bandwidth.com Clec
(631) 398- New York Brentwood Wireless Omnipoint Communications
(631) 399- New York Mastic Landline Verizon New York
(631) 400- New York Ctr Moriches Landline Telcentris Communications
(631) 402- New York Brentwood Landline Telengy L.l.c.
(631) 403- New York Port Jefferson Landline Xo New York
(631) 404- New York Brentwood Landline AT&T Local
(631) 405- New York Riverhead Landline Xo New York
(631) 406- New York Smithtown Landline Rcn Telecom Services
(631) 407- New York Southold Landline Bandwidth.com Clec
(631) 408- New York Amityville Wireless Omnipoint Communications
(631) 409- New York Wantagh Landline Verizon New York
(631) 410- New York Commack Landline Broadview Networks
(631) 412- New York Lindenhurst Landline Xo New York
(631) 413- New York Selden Wireless New Cingular Wireless PCS - DC
(631) 414- New York Farmingdale Landline Cablevision Lightpath
(631) 415- New York Central Islip Landline Global Crossing Local Services-ny
(631) 416- New York Brentwood Wireless Cellco Partnership DBA Verizon Wireless
(631) 417- New York Hicksville Landline Cablevision Lightpath
(631) 418- New York Huntington Landline Allegiance Telecom
(631) 419- New York Sayville Landline Verizon New York
(631) 420- New York Farmingdale Landline Verizon New York
(631) 421- New York Huntington Landline Verizon New York
(631) 422- New York Babylon Landline Verizon New York
(631) 423- New York Huntington Landline Verizon New York
(631) 424- New York Huntington Landline Verizon New York
(631) 425- New York Huntington Landline Verizon New York