Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Islip, NY

1 2 3 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
631-210 A   829J PAETEC ITEL, LLC 132      
631-210 0   829J PAETEC ITEL, LLC 132      
631-210 1   829J PAETEC ITEL, LLC 132      
631-210 2   829J PAETEC ITEL, LLC 132      
631-210 3   829J PAETEC ITEL, LLC 132      
631-210 4 SYOSNYGNCM1  5562 METROPCS, INC. 132   2005-09-05   
631-210 5 WHPLNYWPXOY  997E BANDWIDTH.COM CLEC, LLC - NY 132   2010-06-21   
631-210 6 WHPLNYWPXOY  997E BANDWIDTH.COM CLEC, LLC - NY 132   2010-10-09   
631-210 7 NYCMNYBXDSL  384C ONVOY, LLC- NY 132   2012-11-16   
631-210 8   515J IP HORIZON LLC 132   2016-12-21   
631-210 9   829J PAETEC ITEL, LLC 132   2007-03-02   
631-224 A BYSHNYBYRP0  9104 VERIZON NEW YORK, INC. 132      
631-277 A BYSHNYBYRP0  9104 VERIZON NEW YORK, INC. 132      
631-313 A HCVLNYAHDS9  7126 CABLEVISION LIGHTPATH, INC. - NY 132      
631-313 0   515J IP HORIZON LLC 132   2019-05-16   
631-313 1   515J IP HORIZON LLC 132   2020-06-05   
631-313 2 NYCMNYBXDSL  384C ONVOY, LLC- NY 132   2023-08-09   
631-313 3 NYCMNYBXDSL  384C ONVOY, LLC- NY 132   2024-11-03   
631-313 4 NYCMNY37TMD  624H ONVOY SPECTRUM, LLC 132   2020-11-30   
631-313 5 NYCMNYBXDSL  384C ONVOY, LLC- NY 132   2021-01-29   
631-313 6 NYCMNYBXDSL  384C ONVOY, LLC- NY 132   2021-01-29   
631-313 7 HCVLNYAHDS9  7126 CABLEVISION LIGHTPATH, INC. - NY 132   2018-08-05   
631-313 8 NYCMNYBXDSL  384C ONVOY, LLC- NY 132   2021-01-29   
631-313 9 NYCMNY37TMD  624H ONVOY SPECTRUM, LLC 132   2021-03-01   
631-446 A HCVLNYAHXLX  7126 CABLEVISION LIGHTPATH, INC. - NY 132      
631-446 0 NYCMNYBX3MD  473G TELENGY L.L.C. - NY 132   2012-02-27   
631-446 1 HCVLNYAHXLX  7126 CABLEVISION LIGHTPATH, INC. - NY 132   2007-11-08   
631-446 2 WHPLNYWPXOY  997E BANDWIDTH.COM CLEC, LLC - NY 132   2011-05-28   
631-446 3 GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132   2007-12-01   
631-446 4 HCVLNYAHXLX  7126 CABLEVISION LIGHTPATH, INC. - NY 132   2007-07-29   
631-446 5 NYCMNYZRDBS  155E PEERLESS NETWORK OF NEW YORK, LLC - NY 132   2010-08-06   
631-446 6 NYCMNYBXDSL  384C ONVOY, LLC- NY 132   2012-03-26   
631-446 7 NYCMNYBXDSL  384C ONVOY, LLC- NY 132   2013-01-19   
631-446 8 NYCMNYZRDBS  155E PEERLESS NETWORK OF NEW YORK, LLC - NY 132   2013-04-21   
631-446 9 NYCMNYZRDBS  155E PEERLESS NETWORK OF NEW YORK, LLC - NY 132   2013-04-21   
631-481 A GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132      
631-481 0 GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132      
631-481 1 GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132      
631-481 2 GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132      
631-481 3 GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132   2003-06-08   
631-481 4   515J IP HORIZON LLC 132   2017-07-09   
631-481 5 SYOSNYGNCM1  5562 METROPCS, INC. 132   2005-01-07   
631-481 6 SYOSNYGNCM1  5562 METROPCS, INC. 132   2005-03-11   
631-481 7 GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132   2005-07-21   
631-481 8 WHPLNYWPXOY  997E BANDWIDTH.COM CLEC, LLC - NY 132   2014-03-22   
631-481 9 GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132   2005-07-02   
631-581 A BYSHNYBYRP0  9104 VERIZON NEW YORK, INC. 132      
631-650 A BTHPNYGRDS0  7126 CABLEVISION LIGHTPATH, INC. - NY 132      
631-650 0   7126 CABLEVISION LIGHTPATH, INC. - NY 132      
631-650 1   7126 CABLEVISION LIGHTPATH, INC. - NY 132      

1 2 3 >>

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.