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: 336

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
561-336 A Boynton Beach FL MIAUFLWSDS2  902E PEERLESS NETWORK OF FLORIDA, LLC - FL 46018      
561-336 0 Boynton Beach FL MIAUFLWSDS2  902E PEERLESS NETWORK OF FLORIDA, LLC - FL 46018   2011-10-20   
561-336 1 Boynton Beach FL MIAUFLWSDS2  902E PEERLESS NETWORK OF FLORIDA, LLC - FL 46018   2011-12-02   
561-336 2 Boynton Beach FL WPBHFLGRX8Z  318J COMCAST IP PHONE, LLC 46018   2011-09-29   
561-336 3 Boynton Beach FL WPBHFLGRX8Z  318J COMCAST IP PHONE, LLC 46018   2011-12-08   
561-336 4 Boynton Beach FL MIAMFLACUMD  516C AT&T CORP. 46018   2011-09-20   
561-336 5 Boynton Beach FL MIASFL680MD  982E BANDWIDTH.COM CLEC, LLC - FL 46018   2012-04-06   
561-336 6 Boynton Beach FL MIAMFL98DS6  937C ONVOY, LLC - FL 46018   2012-06-30   
561-336 7 Boynton Beach FL BYBHFLMADS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46018   2012-03-23   
561-336 8 Boynton Beach FL MRGTFLATG05  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 46018   2016-06-16   
561-336 9 Boynton Beach FL MIAUFLWSDS2  902E PEERLESS NETWORK OF FLORIDA, LLC - FL 46018   2013-04-20   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.