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: 904 [Rate centres in NPA 904] [Dial plan for NPA 904]

NXX: 324

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
904-324 A Lawtey FL JCVLFLCL92Z  624H ONVOY SPECTRUM, LLC 45204   2024-04-28   
904-324 2 Lawtey FL JCVLFLSMXTY  318J COMCAST IP PHONE, LLC 45204   2024-11-01   
904-324 3 Lawtey FL JCVLFLCL92Z  624H ONVOY SPECTRUM, LLC 45204   2024-04-28   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.