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: 318

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
561-318 A West Palm Beach FL MRMRFL095MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 46018      
561-318 0 West Palm Beach FL MIASFL680MD  982E BANDWIDTH.COM CLEC, LLC - FL 46018   2010-11-08   
561-318 1 West Palm Beach FL MIASFL680MD  982E BANDWIDTH.COM CLEC, LLC - FL 46018   2010-11-08   
561-318 2 West Palm Beach FL MRMRFL095MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 46018   2011-12-05   
561-318 3 West Palm Beach FL MIASFL680MD  982E BANDWIDTH.COM CLEC, LLC - FL 46018   2010-10-31   
561-318 4 West Palm Beach FL MIAMFL98XAX  4616 DELTACOM, INC. - FL 46018   2010-12-09   
561-318 5 West Palm Beach FL WPBHFLGRX8Z  318J COMCAST IP PHONE, LLC 46018   2010-11-08   
561-318 6 West Palm Beach FL WPBHFLGRX8Z  318J COMCAST IP PHONE, LLC 46018   2010-11-20   
561-318 7 West Palm Beach FL WPBHFLGRX8Z  318J COMCAST IP PHONE, LLC 46018   2010-11-20   
561-318 8 West Palm Beach FL WPBHFLGRX8Z  318J COMCAST IP PHONE, LLC 46018   2010-11-20   
561-318 9 West Palm Beach FL   6889 OMNIPOINT MIAMI E LICENSE, LLC 46018   2010-07-30   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.