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: 518 [Rate centres in NPA 518] [Dial plan for NPA 518]

NXX: 531

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
518-531 A Greenwich NY ALBYNYSSDS5  7140 TC SYSTEMS, INC. - NY 134      
518-531 0 Greenwich NY ALBYNYSSXOX  073H TELNYX LLC 134   2017-04-26   
518-531 1 Greenwich NY ALBBNY26DS0  970H BLUEBIRD COMMUNICATIONS, LLC - NY 134   2018-08-28   
518-531 2 Greenwich NY ALBYNYJDDS0  8249 RINGSQUARED TELECOM LLC 134   2006-10-02   
518-531 3 Greenwich NY ALBYNYVP2MD  4006 LEVEL 3 COMMUNICATIONS, LLC - NY 134   2006-11-02   
518-531 4 Greenwich NY ALBYNYSSXZZ  532D TIME WARNER CABLE INFO SVCE (NEW YORK) LLC-NY 134   2005-10-28   
518-531 5 Greenwich NY ALBYNYSSXBZ  506J TWILIO INTERNATIONAL, INC. 134   2020-11-08   
518-531 6 Greenwich NY ALBYNYSSXOY  997E BANDWIDTH.COM CLEC, LLC - NY 134   2010-04-02   
518-531 7 Greenwich NY ALBYNYSSXGX  508J CENTURYLINK COMMUNICATIONS, LLC 134   2016-09-27   
518-531 8 Greenwich NY ALBYNYSSXOY  997E BANDWIDTH.COM CLEC, LLC - NY 134   2010-01-01   
518-531 9 Greenwich NY ALBYNYSSDS5  7140 TC SYSTEMS, INC. - NY 134      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.