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: DELHLAMADS0

Remotes:

Switch Switch name Switch type
EPPSLAMARS1  EPPS  RSC 
LKPRLAALRS1  LAKE PROVIDENCE ALSATIA  RSC 
LKPRLAMARS1  LAKE PROVIDENCE MAIN  RSC 
NWTNLAMARS1  NEWELLTON  RSC 
OKGVLAMARS1  OAK GROVE  RSC 
TLLHLAMARS1  TALLULAH  RSS 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
318-878 A Delhi LA 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 486      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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