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: 544

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
561-544 A Boca Raton FL BCRTFLMADS1  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      
561-544 0 Boca Raton FL BCRTFLMADS1  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      
561-544 1 Boca Raton FL BCRTFLMADS1  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      
561-544 2 Boca Raton FL BCRTFLMADS1  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      
561-544 3 Boca Raton FL BCRTFLMADS1  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      
561-544 4 Boca Raton FL BCRTFLBTDS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      
561-544 5 Boca Raton FL BCRTFLBTDS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      
561-544 6 Boca Raton FL BCRTFLMADS1  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      
561-544 7 Boca Raton FL MIASFL680MD  982E BANDWIDTH.COM CLEC, LLC - FL 46018   2010-11-01   
561-544 8 Boca Raton FL BCRTFLMADS1  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018      
561-544 9 Boca Raton FL MIASFLTTDS1  010H INTEGRATED PATH COMMUNICATIONS, LLC - FL 46018   2015-04-21   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.