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: 324 [Rate centres in NPA 324] [Dial plan for NPA 324]

NXX: 204

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
324-204 A Jacksonville FL   937C ONVOY, LLC - FL 45204   2026-03-20   
324-204 0 Jacksonville FL   937C ONVOY, LLC - FL 45204   2026-03-20   
324-204 1 Jacksonville FL   937C ONVOY, LLC - FL 45204   2026-03-20   
324-204 2 Jacksonville FL   6502 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 45204   2026-04-13   
324-204 3 Jacksonville FL   6502 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 45204   2026-04-13   
324-204 4 Jacksonville FL   6502 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 45204   2026-04-13   
324-204 5 Jacksonville FL   982E BANDWIDTH.COM CLEC, LLC - FL 45204   2026-05-02   
324-204 6 Jacksonville FL   982E BANDWIDTH.COM CLEC, LLC - FL 45204   2026-05-02   
324-204 7 Jacksonville FL   6502 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 45204   2026-04-13   
324-204 8 Jacksonville FL   6502 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 45204   2026-04-13   
324-204 9 Jacksonville FL   6502 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 45204   2026-04-13   

Last updated: Sat, 02 May 2026 12:20:53 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.