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.

Cortland, NY

1 2 3 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
607-218 A SYRCNY02CMD  4107 CHOICE ONE COMMUNICATIONS, INC. - NY 136      
607-218 0 SYRCNYSUDS5  4107 CHOICE ONE COMMUNICATIONS, INC. - NY 136      
607-218 1 SYRCNYSWX0X  4006 LEVEL 3 COMMUNICATIONS, LLC - NY 136   2007-06-18   
607-218 2 SYRCNYSUXWY  997E BANDWIDTH.COM CLEC, LLC - NY 136   2010-03-06   
607-218 3 SYRCNYSUXAY  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 136   2008-10-01   
607-218 4 SYRCNYSUXWY  997E BANDWIDTH.COM CLEC, LLC - NY 136   2010-06-21   
607-218 5 SYRCNYSUXWY  997E BANDWIDTH.COM CLEC, LLC - NY 136   2010-10-21   
607-218 6 ESYRNYAWPS2  532D TIME WARNER CABLE INFO SVCE (NEW YORK) LLC-NY 136   2010-09-08   
607-218 7 SYRCNYSUXWY  997E BANDWIDTH.COM CLEC, LLC - NY 136   2011-07-07   
607-218 8 SYRCNYSWX0X  4006 LEVEL 3 COMMUNICATIONS, LLC - NY 136   2012-02-23   
607-218 9 SYRCNYSUDS5  4107 CHOICE ONE COMMUNICATIONS, INC. - NY 136      
607-250 A SYRCNYSWDS0  7140 TC SYSTEMS, INC. - NY 136      
607-250 0 SYRCNY023MD  145J TERRA NOVA TELECOM INC. 136   2022-11-02   
607-250 1 SYRCNYSUX1Y  384C ONVOY, LLC- NY 136   2017-01-08   
607-250 2   384C ONVOY, LLC- NY 136   2023-08-09   
607-250 3   384C ONVOY, LLC- NY 136   2023-08-09   
607-250 4   384C ONVOY, LLC- NY 136   2023-08-09   
607-250 5   384C ONVOY, LLC- NY 136   2023-08-09   
607-250 6   384C ONVOY, LLC- NY 136   2023-08-09   
607-250 8 SYRCNYSWDS0  7140 TC SYSTEMS, INC. - NY 136      
607-250 9 ESYRNYAWPS2  532D TIME WARNER CABLE INFO SVCE (NEW YORK) LLC-NY 136   2020-12-13   
607-261 A SALNNYBH2MD  6622 OMNIPOINT COMMUNICATIONS, INC. - NY 136      
607-261 0 SALNNYBH2MD  6622 OMNIPOINT COMMUNICATIONS, INC. - NY 136      
607-261 1 SYRCNYSUXWY  997E BANDWIDTH.COM CLEC, LLC - NY 136   2012-03-12   
607-261 2 SALNNYBH2MD  6622 OMNIPOINT COMMUNICATIONS, INC. - NY 136   2016-04-30   
607-261 3 SALNNYBH2MD  6622 OMNIPOINT COMMUNICATIONS, INC. - NY 136   2021-07-08   
607-261 4 SALNNYBH2MD  6622 OMNIPOINT COMMUNICATIONS, INC. - NY 136   2021-10-02   
607-261 5 SALNNYBH2MD  6622 OMNIPOINT COMMUNICATIONS, INC. - NY 136   2022-01-09   
607-261 6 SALNNYBH2MD  6622 OMNIPOINT COMMUNICATIONS, INC. - NY 136   2022-01-09   
607-261 9 SALNNYBH2MD  6622 OMNIPOINT COMMUNICATIONS, INC. - NY 136      
607-283 A SALNNYBH2MD  6664 SPRINT SPECTRUM, L.P. 136      
607-283 1   6622 OMNIPOINT COMMUNICATIONS, INC. - NY 136      
607-283 2 SYRCNYSWX0X  4006 LEVEL 3 COMMUNICATIONS, LLC - NY 136   2014-07-17   
607-283 3   6622 OMNIPOINT COMMUNICATIONS, INC. - NY 136      
607-283 4 SYRCNYSUXWY  997E BANDWIDTH.COM CLEC, LLC - NY 136   2015-02-22   
607-283 5 SYRCNYSUXWY  997E BANDWIDTH.COM CLEC, LLC - NY 136   2016-07-21   
607-283 6   6622 OMNIPOINT COMMUNICATIONS, INC. - NY 136      
607-283 7 SYRCNYSUHMD  508J CENTURYLINK COMMUNICATIONS, LLC 136   2014-11-13   
607-283 8 SALNNYBH2MD  6622 OMNIPOINT COMMUNICATIONS, INC. - NY 136   2012-01-13   
607-283 9 SALNNYBH2MD  6664 SPRINT SPECTRUM, L.P. 136      
607-289 A SYRCNYSUX1Y  384C ONVOY, LLC- NY 136      
607-289 0 SYRCNYSUXWY  997E BANDWIDTH.COM CLEC, LLC - NY 136   2021-12-16   
607-289 2 SYRCNYSUX1Y  384C ONVOY, LLC- NY 136   2016-03-21   
607-289 3 SYRCNYSUX1Y  384C ONVOY, LLC- NY 136   2016-03-21   
607-289 6 SYRCNYSUX7X  624H ONVOY SPECTRUM, LLC 136   2021-12-11   
607-289 7 SYRCNYSUX7X  624H ONVOY SPECTRUM, LLC 136   2021-12-11   
607-289 8 SYRCNYSUXWY  997E BANDWIDTH.COM CLEC, LLC - NY 136   2021-12-16   
607-299 A SYRCNY02CMD  4107 CHOICE ONE COMMUNICATIONS, INC. - NY 136      
607-299 0 SYRCNY02CMD  4107 CHOICE ONE COMMUNICATIONS, INC. - NY 136      
607-299 1 SYRCNY02CMD  4107 CHOICE ONE COMMUNICATIONS, INC. - NY 136      

1 2 3 >>

Last updated: Sat, 26 Aug 2023 16:14:14 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.