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: 270 [Rate centres in NPA 270] [Dial plan for NPA 270]

NXX: 278

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
270-278 A Livermore KY LVMRKYMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 464      
270-278 0 Livermore KY LVMRKYMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 464      
270-278 1 Livermore KY MDVIKYMAXTX  896E ONVOY, LLC - KY 464   2017-03-21   
270-278 2 Livermore KY LVMRKYMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 464      
270-278 3 Livermore KY OWBOKYATX4X  516C AT&T CORP. 464   2011-11-17   
270-278 6 Livermore KY MDVIKYMAXTX  896E ONVOY, LLC - KY 464   2020-07-03   
270-278 7 Livermore KY MDVIKYMAXTX  896E ONVOY, LLC - KY 464   2020-07-03   
270-278 8 Livermore KY BWLGKYMAXTX  624H ONVOY SPECTRUM, LLC 464   2023-06-01   
270-278 9 Livermore KY   515J IP HORIZON LLC 464   2024-04-20   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.