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: 660

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
561-660 A West Palm Beach FL MIANFLWKAMD  6502 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 46018      
561-660 0 West Palm Beach FL MIANFLWKAMD  6502 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 46018   2015-12-14   
561-660 1 West Palm Beach FL MIANFLWKAMD  6502 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 46018   2015-12-14   
561-660 2 West Palm Beach FL MIANFLWKAMD  6502 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 46018   2015-12-14   
561-660 3 West Palm Beach FL MRGTFLATG05  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 46018   2016-07-08   
561-660 4 West Palm Beach FL MIANFLWKAMD  6502 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 46018   2015-12-22   
561-660 5 West Palm Beach FL WPBHFLGRX8Z  318J COMCAST IP PHONE, LLC 46018   2015-12-15   
561-660 6 West Palm Beach FL WPBHFLGRX8Z  318J COMCAST IP PHONE, LLC 46018   2015-12-15   
561-660 7 West Palm Beach FL WPBHFLGRX8Z  318J COMCAST IP PHONE, LLC 46018   2015-12-15   
561-660 8 West Palm Beach FL WPBHFLGRX8Z  318J COMCAST IP PHONE, LLC 46018   2015-12-15   
561-660 9 West Palm Beach FL MIAMFL98DS6  937C ONVOY, LLC - FL 46018   2016-01-09   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.