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: MRNNFLXATMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
850-373 5 Bonifay FL 6744 SOUTHERN COMMUNICATIONS SERVICES, INC. 45012   2004-10-23   
850-394 A Marianna FL 6744 SOUTHERN COMMUNICATIONS SERVICES, INC. 45012      
850-394 1 Marianna FL 6744 SOUTHERN COMMUNICATIONS SERVICES, INC. 45012   2004-12-10   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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