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: 404

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
561-404 A Delray Beach FL MIANFLWKDS0  8664 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL 46018      
561-404 0 Delray Beach FL MIATFLADDS2  4802 LEVEL 3 COMMUNICATIONS, LLC - FL 46018   2007-05-22   
561-404 1 Delray Beach FL MIATFLADDS2  4802 LEVEL 3 COMMUNICATIONS, LLC - FL 46018   2005-05-14   
561-404 2 Delray Beach FL MIANFLWKDS0  8664 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL 46018      
561-404 3 Delray Beach FL MRMRFL095MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 46018   2012-05-24   
561-404 4 Delray Beach FL MIATFLADDS2  4802 LEVEL 3 COMMUNICATIONS, LLC - FL 46018   2003-02-17   
561-404 5 Delray Beach FL MIATFLADDS2  4802 LEVEL 3 COMMUNICATIONS, LLC - FL 46018   2005-05-14   
561-404 6 Delray Beach FL MIAMFL98XAX  206A FUSION CLOUD SERVICES, LLC 46018   2002-10-11   
561-404 7 Delray Beach FL MIATFLADDS2  4802 LEVEL 3 COMMUNICATIONS, LLC - FL 46018   2004-12-14   
561-404 8 Delray Beach FL MIATFLADDS2  4802 LEVEL 3 COMMUNICATIONS, LLC - FL 46018   2007-01-10   
561-404 9 Delray Beach FL MIATFLADDS2  4802 LEVEL 3 COMMUNICATIONS, LLC - FL 46018   2007-10-27   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.