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: 728 [Rate centres in NPA 728] [Dial plan for NPA 728]

NXX: 728

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
728-728 A West Palm Beach FL MIAMFL98DS6  937C ONVOY, LLC - FL 46018   2024-01-07   
728-728 0 West Palm Beach FL MRGTFLATG05  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 46018      
728-728 1 West Palm Beach FL MRGTFLATG05  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 46018      
728-728 2 West Palm Beach FL MRGTFLATG05  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 46018      
728-728 3 West Palm Beach FL WPBHFLGRX8Z  318J COMCAST IP PHONE, LLC 46018      
728-728 4 West Palm Beach FL WPBHFLGRX8Z  318J COMCAST IP PHONE, LLC 46018      
728-728 5 West Palm Beach FL WPBHFLGRX8Z  318J COMCAST IP PHONE, LLC 46018      
728-728 6 West Palm Beach FL WPBHFLGRX8Z  318J COMCAST IP PHONE, LLC 46018      
728-728 7 West Palm Beach FL MIAMFL98DS6  937C ONVOY, LLC - FL 46018      
728-728 8 West Palm Beach FL MIAMFL98DS6  937C ONVOY, LLC - FL 46018      
728-728 9 West Palm Beach FL MIAMFL98DS6  937C ONVOY, LLC - FL 46018      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.