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: 863 [Rate centres in NPA 863] [Dial plan for NPA 863]

NXX: 374

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
863-374 A Zolfo Springs FL AVPKFLXAXOX  516J TON80 COMMUNICATIONS, LLC 93901      
863-374 0 Zolfo Springs FL FTMYFLXAXVX  937C ONVOY, LLC - FL 93901   2023-09-16   
863-374 1 Zolfo Springs FL   045L BHN IP ENABLED SERVICES, LLC 93901   2024-03-19   
863-374 6 Zolfo Springs FL AVPKFLXAXOX  516J TON80 COMMUNICATIONS, LLC 93901   2022-04-19   
863-374 7 Zolfo Springs FL FTMYFLXAXFY  4802 LEVEL 3 COMMUNICATIONS, LLC - FL 93901   2023-01-06   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.