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.

OCN: 612K CSC VOICE, LLC

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
347-427 2 New York City Zone 05 NY   132   2004-01-06   
347-427 3 New York City Zone 05 NY   132   2003-08-28   
347-427 4 New York City Zone 05 NY   132   2004-01-23   
347-427 6 New York City Zone 05 NY   132   2004-05-29   
347-427 7 New York City Zone 05 NY   132   2004-05-29   
347-431 1 New York City Zone 03 NY   132   2004-06-25   
347-431 2 New York City Zone 03 NY   132   2004-01-23   
347-431 3 New York City Zone 03 NY   132   2003-06-28   
347-431 4 New York City Zone 03 NY   132   2004-01-23   
347-431 7 New York City Zone 03 NY   132   2004-01-06   
347-435 0 New York City Zone 06 NY   132   2007-12-07   
347-435 3 New York City Zone 06 NY   132   2007-12-07   
347-442 0 New York City Zone 06 NY   132   2007-12-07   
347-442 1 New York City Zone 06 NY   132   2007-12-07   
347-442 5 New York City Zone 06 NY   132   2007-11-30   
347-449 5 New York City Zone 05 NY   132   2006-09-11   
347-449 6 New York City Zone 05 NY   132   2006-09-11   
347-449 7 New York City Zone 05 NY   132   2006-09-11   
347-461 9 New York City Zone 06 NY   132   2007-08-24   
347-462 1 New York City Zone 07 NY   132   2008-01-21   
347-462 2 New York City Zone 07 NY   132   2008-01-21   
347-462 3 New York City Zone 07 NY   132   2008-01-21   
347-462 4 New York City Zone 07 NY   132   2008-01-21   
347-462 9 New York City Zone 07 NY   132   2008-07-03   
347-492 A New York City Zone 07 NY   132      
347-492 3 New York City Zone 07 NY   132   2007-10-12   
347-492 4 New York City Zone 07 NY   132   2007-10-12   
347-492 5 New York City Zone 07 NY   132   2007-10-12   
347-492 6 New York City Zone 07 NY   132   2007-10-12   
347-492 7 New York City Zone 07 NY   132   2007-10-12   
347-498 A New York City Zone 03 NY   132      
347-498 1 New York City Zone 03 NY   132   2008-09-20   
347-529 A New York City Zone 06 NY   132      
347-529 0 New York City Zone 06 NY   132   2006-03-03   
347-529 1 New York City Zone 06 NY   132   2006-03-03   
347-529 2 New York City Zone 06 NY   132   2005-12-02   
347-529 3 New York City Zone 06 NY   132   2005-12-02   
347-529 7 New York City Zone 06 NY   132   2006-03-03   
347-533 4 New York City Zone 06 NY   132   2008-02-06   
347-533 6 New York City Zone 06 NY   132   2008-02-06   
347-533 7 New York City Zone 06 NY   132   2008-02-06   
347-533 8 New York City Zone 06 NY   132   2008-02-06   
347-533 9 New York City Zone 06 NY   132   2008-02-06   
347-554 8 New York City Zone 07 NY   132   2008-05-07   
347-577 A New York City Zone 03 NY   132      
347-577 0 New York City Zone 03 NY   132   2008-05-05   
347-577 1 New York City Zone 03 NY   132   2008-05-05   
347-577 5 New York City Zone 03 NY   132   2008-05-05   
347-577 6 New York City Zone 03 NY   132   2008-05-05   
347-582 2 New York City Zone 04 NY   132   2004-10-29   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 >>

Last updated: Sun, 17 May 2026 03:26:51 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.