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: 345

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
561-345 A West Palm Beach FL MRMRFL095MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 46018      
561-345 0 West Palm Beach FL MIANFLWKAMD  6502 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 46018   2012-10-20   
561-345 1 West Palm Beach FL MIANFLWKAMD  6502 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 46018   2012-10-20   
561-345 2 West Palm Beach FL WPBHFLGRX8Z  318J COMCAST IP PHONE, LLC 46018   2012-07-16   
561-345 3 West Palm Beach FL WPBHFLGRX8Z  318J COMCAST IP PHONE, LLC 46018   2012-07-16   
561-345 4 West Palm Beach FL MIANFLWKAMD  6502 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 46018   2012-11-09   
561-345 5 West Palm Beach FL MIANFLWKAMD  6502 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 46018   2012-11-19   
561-345 6 West Palm Beach FL MIATFLADDS2  4802 LEVEL 3 COMMUNICATIONS, LLC - FL 46018   2015-08-11   
561-345 7 West Palm Beach FL MIAMFL98XAX  8692 US LEC OF FLORIDA, INC. 46018   2012-10-29   
561-345 8 West Palm Beach FL MRMRFL095MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 46018   2012-12-06   
561-345 9 West Palm Beach FL MRMRFL095MD  6889 OMNIPOINT MIAMI E LICENSE, LLC 46018   2012-10-26   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.