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: 521

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
270-521 A Robards KY RBRDKYMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 464      
270-521 0 Robards KY RBRDKYMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 464      
270-521 1 Robards KY RBRDKYMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 464      
270-521 2 Robards KY RBRDKYMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 464      
270-521 3 Robards KY RBRDKYMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 464      
270-521 4 Robards KY OWBOKY22FMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 464   2016-09-15   
270-521 5 Robards KY OWBOKYMAXGX  698F TIME WARNER CBL INFO SV (KY) DBA TIME WARNER-KY 464   2016-11-20   
270-521 6 Robards KY RBRDKYMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 464      
270-521 7 Robards KY RBRDKYMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 464      
270-521 8 Robards KY RBRDKYMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 464      
270-521 9 Robards KY OWBOKYATX4X  516C AT&T CORP. 464   2011-11-18   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.