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: 422

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
561-422 A West Palm Beach FL MIATFLADDS2  4802 LEVEL 3 COMMUNICATIONS, LLC - FL 46018      
561-422 0 West Palm Beach FL WPBHFLRPDS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018   2003-08-19   
561-422 1 West Palm Beach FL WPBHFLRPDS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018   2003-08-19   
561-422 2 West Palm Beach FL WPBHFLRPDS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018   2003-08-19   
561-422 3 West Palm Beach FL WPBHFLRPDS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018   2003-08-19   
561-422 4 West Palm Beach FL MIATFLADDS2  4802 LEVEL 3 COMMUNICATIONS, LLC - FL 46018      
561-422 5 West Palm Beach FL WPBHFLRPDS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018   2003-08-19   
561-422 6 West Palm Beach FL WPBHFLRPDS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018   2003-08-19   
561-422 7 West Palm Beach FL WPBHFLRPDS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018   2003-08-19   
561-422 8 West Palm Beach FL WPBHFLRPDS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018   2003-08-19   
561-422 9 West Palm Beach FL WPBHFLRPDS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018   2003-08-19   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.