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: 303

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
561-303 A Delray Beach FL MIASFL680MD  982E BANDWIDTH.COM CLEC, LLC - FL 46018      
561-303 0 Delray Beach FL MIASFL680MD  982E BANDWIDTH.COM CLEC, LLC - FL 46018   2012-10-11   
561-303 1 Delray Beach FL WPBHFLGRX8Z  318J COMCAST IP PHONE, LLC 46018   2012-12-22   
561-303 2 Delray Beach FL MIATFLADDS2  4802 LEVEL 3 COMMUNICATIONS, LLC - FL 46018   2012-11-09   
561-303 3 Delray Beach FL WPBHFLGRX8Z  318J COMCAST IP PHONE, LLC 46018   2012-11-19   
561-303 4 Delray Beach FL MRMRFL095MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 46018   2012-12-18   
561-303 5 Delray Beach FL MRMRFL095MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 46018   2013-08-29   
561-303 6 Delray Beach FL MRMRFL095MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 46018   2013-10-06   
561-303 7 Delray Beach FL MRMRFL095MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 46018   2012-12-08   
561-303 8 Delray Beach FL MRMRFL095MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 46018   2012-12-08   
561-303 9 Delray Beach FL MRMRFL095MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 46018   2013-07-02   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.