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: TRRYMSMADS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
601-878 A Terry MS 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 482      
601-878 0 Terry MS 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 482      
601-878 2 Terry MS 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 482      
601-878 5 Terry MS 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 482      
601-878 6 Terry MS 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 482      
601-878 9 Terry MS 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 482      

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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