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: 820

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
561-820 A West Palm Beach FL WPBHFLANDS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      
561-820 0 West Palm Beach FL WPBHFLANDS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      
561-820 1 West Palm Beach FL WPBHFLANDS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      
561-820 2 West Palm Beach FL WPBHFLANDS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      
561-820 3 West Palm Beach FL WPBHFLANDS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      
561-820 4 West Palm Beach FL WPBHFLANDS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      
561-820 5 West Palm Beach FL   6502 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 46018   2024-04-18   
561-820 6 West Palm Beach FL   937C ONVOY, LLC - FL 46018   2024-05-03   
561-820 7 West Palm Beach FL MIANFLWKAMD  6502 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 46018   2020-07-31   
561-820 8 West Palm Beach FL WPBHFLANDS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      
561-820 9 West Palm Beach FL WPBHFLANDS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.