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: 561 [Rate centres in NPA 561] [Dial plan for NPA 561]

NXX: 330

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
561-330 A Delray Beach FL DLBHFLMADS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      
561-330 0 Delray Beach FL DLBHFLMADS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      
561-330 1 Delray Beach FL DLBHFLMADS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      
561-330 2 Delray Beach FL DLBHFLMADS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      
561-330 3 Delray Beach FL DLBHFLMADS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      
561-330 4 Delray Beach FL WPBHFLGRX8Z  318J COMCAST IP PHONE, LLC 46018   2011-02-25   
561-330 5 Delray Beach FL MIASFL680MD  982E BANDWIDTH.COM CLEC, LLC - FL 46018   2015-05-21   
561-330 6 Delray Beach FL DLBHFLMADS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      
561-330 7 Delray Beach FL DLBHFLMADS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      
561-330 8 Delray Beach FL DLBHFLMADS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      
561-330 9 Delray Beach FL DLBHFLMADS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.