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: 838 [Rate centres in NPA 838] [Dial plan for NPA 838]

NXX: 435

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
838-435 A Claverack NY   1215 CORETEL NEW YORK, INC. - NY 134   2019-04-12   
838-435 2 Claverack NY   1215 CORETEL NEW YORK, INC. - NY 134   2019-05-22   
838-435 3 Claverack NY   506J TWILIO INTERNATIONAL, INC. 134   2020-11-08   
838-435 4 Claverack NY   1215 CORETEL NEW YORK, INC. - NY 134   2019-05-22   
838-435 5 Claverack NY   1215 CORETEL NEW YORK, INC. - NY 134   2019-05-22   
838-435 7 Claverack NY   1215 CORETEL NEW YORK, INC. - NY 134   2019-04-12   

Last updated: Sun, 29 Nov 2020 13:13:58 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.