Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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   9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 464      
270-278 1 Livermore KY   896E ONVOY, LLC - KY 464   2017-03-21   
270-278 2 Livermore KY   9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 464      
270-278 3 Livermore KY   516C AT&T CORP. 464   2011-11-17   
270-278 6 Livermore KY   896E ONVOY, LLC - KY 464   2020-07-03   
270-278 7 Livermore KY   896E ONVOY, LLC - KY 464   2020-07-03   
270-278 8 Livermore KY   624H ONVOY SPECTRUM, LLC 464   2023-06-01   
270-278 9 Livermore KY   515J IP HORIZON LLC 464   2024-04-20   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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