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: 434 [Rate centres in NPA 434] [Dial plan for NPA 434]

NXX: 440

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
434-440 A South Boston VA LYBGVA335MD  939H COMMIO, LLC 250      
434-440 0 South Boston VA LYBGVA335MD  939H COMMIO, LLC 250   2023-05-19   
434-440 1 South Boston VA   939H COMMIO, LLC 250   2024-02-09   
434-440 4 South Boston VA LYBGVA555MD  145J TERRA NOVA TELECOM INC. 250   2023-05-22   
434-440 7 South Boston VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 250   2024-04-06   
434-440 8 South Boston VA DAVLVADAYMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 250   2023-11-11   
434-440 9 South Boston VA LYBGVACHXBX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 250   2023-08-24   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.