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.

NPA: 607 [Rate centres in NPA 607] [Dial plan for NPA 607]

NXX: 603

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
607-603 A Ithaca NY SYRCNYSLDS1  7556 NORTHLAND NETWORKS, LTD. - NY 136      
607-603 0 Ithaca NY SYRCNYSUX1X  197D VONAGE AMERICA LLC 136      
607-603 1 Ithaca NY SYRCNYSUX1X  197D VONAGE AMERICA LLC 136      
607-603 3 Ithaca NY SALNNYBH2MD  5562 METROPCS, INC. 136      
607-603 4 Ithaca NY SYRCNYSLDS1  7556 NORTHLAND NETWORKS, LTD. - NY 136      
607-603 5 Ithaca NY SYRCNYSLDS1  7556 NORTHLAND NETWORKS, LTD. - NY 136      
607-603 6 Ithaca NY SYRCNYSUX1Y  384C ONVOY, LLC- NY 136      
607-603 7 Ithaca NY SYRCNYSUX1Y  384C ONVOY, LLC- NY 136      
607-603 8 Ithaca NY SYRCNYSUX1X  197D VONAGE AMERICA LLC 136      
607-603 9 Ithaca NY SYRCNYSLDS1  7556 NORTHLAND NETWORKS, LTD. - NY 136      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.