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: EVRGALMARS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
251-578 A Evergreen AL 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 480      
251-578 0 Evergreen AL 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 480      
251-578 1 Evergreen AL 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 480      
251-578 2 Evergreen AL 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 480      
251-578 3 Evergreen AL 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 480      
251-578 4 Evergreen AL 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 480      
251-578 5 Evergreen AL 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 480      
251-578 6 Evergreen AL 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 480      
251-578 7 Evergreen AL 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 480      
251-578 9 Evergreen AL 9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 480      

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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