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: 721

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
561-721 A West Palm Beach FL FTLDFLWADS1  4085 FLORIDA DIGITAL NETWORK 46018      
561-721 0 West Palm Beach FL FTLDFLWADS1  4085 FLORIDA DIGITAL NETWORK 46018      
561-721 1 West Palm Beach FL FTLDFLWADS1  4085 FLORIDA DIGITAL NETWORK 46018      
561-721 2 West Palm Beach FL FTLDFLWADS1  4085 FLORIDA DIGITAL NETWORK 46018      
561-721 3 West Palm Beach FL FTLDFLWADS1  4085 FLORIDA DIGITAL NETWORK 46018      
561-721 4 West Palm Beach FL FTLDFLWADS1  4085 FLORIDA DIGITAL NETWORK 46018      
561-721 5 West Palm Beach FL DRBHFLDFBMD  6664 SPRINT SPECTRUM L.P. 46018   2003-11-08   
561-721 6 West Palm Beach FL FTLDFLWADS1  4085 FLORIDA DIGITAL NETWORK 46018      
561-721 7 West Palm Beach FL FTLDFLWADS1  4085 FLORIDA DIGITAL NETWORK 46018      
561-721 8 West Palm Beach FL FTLDFLWADS1  4085 FLORIDA DIGITAL NETWORK 46018      
561-721 9 West Palm Beach FL FTLDFLWADS1  4085 FLORIDA DIGITAL NETWORK 46018      

Last updated: Sun, 28 Feb 2021 19:06:05 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.