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: 731

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
561-731 A Boynton Beach FL BYBHFLMADS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      
561-731 0 Boynton Beach FL BYBHFLMADS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      
561-731 1 Boynton Beach FL BYBHFLMADS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      
561-731 2 Boynton Beach FL BYBHFLMADS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      
561-731 3 Boynton Beach FL BYBHFLMADS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      
561-731 4 Boynton Beach FL BYBHFLMADS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      
561-731 5 Boynton Beach FL BYBHFLMADS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      
561-731 6 Boynton Beach FL MIAMFLGR59Z  382G TERRA NOVA TELECOM, INC. - FL 46018      
561-731 7 Boynton Beach FL MIAMFL98DS6  937C ONVOY, LLC - FL 46018      
561-731 8 Boynton Beach FL MIAMFL98DS6  937C ONVOY, LLC - FL 46018      
561-731 9 Boynton Beach FL MIAMFL98DS6  937C ONVOY, LLC - FL 46018      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.