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.

Switch: JCVLFLWCDS0

Remotes:

Switch Switch name Switch type
BLDWFLMARS0  BALDWIN  5ER 
MXVLFLMARS0  MAXVILLE  5ER 

<< 1 2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
904-908 6 Jacksonville FL 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 45204      
904-908 8 Jacksonville FL 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 45204      
904-908 9 Jacksonville FL 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 45204      

<< 1 2

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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