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: 576

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
561-576 A Boca Raton FL WPBHFLGRX8Z  318J COMCAST IP PHONE, LLC 46018      
561-576 0 Boca Raton FL MIAMFL98X0X  073H TELNYX LLC 46018   2020-12-15   
561-576 1 Boca Raton FL MIAMFL98DS6  937C ONVOY, LLC - FL 46018   2020-12-15   
561-576 2 Boca Raton FL WPBHFLGRX8Z  318J COMCAST IP PHONE, LLC 46018   2020-12-14   
561-576 3 Boca Raton FL WPBHFLGRX8Z  318J COMCAST IP PHONE, LLC 46018   2020-12-14   
561-576 4 Boca Raton FL WPBHFLGRX8Z  318J COMCAST IP PHONE, LLC 46018   2020-12-14   
561-576 5 Boca Raton FL WPBHFLGRX8Z  318J COMCAST IP PHONE, LLC 46018   2020-12-14   
561-576 6 Boca Raton FL MIAMFL98DS6  937C ONVOY, LLC - FL 46018   2020-12-15   
561-576 7 Boca Raton FL MIAMFL98DS6  937C ONVOY, LLC - FL 46018   2020-12-15   
561-576 8 Boca Raton FL MIAMFL98DS6  937C ONVOY, LLC - FL 46018   2020-12-15   
561-576 9 Boca Raton FL MIAMFL98DS6  937C ONVOY, LLC - FL 46018   2020-12-15   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.