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.

NPA: 318 [Rate centres in NPA 318] [Dial plan for NPA 318]

NXX: 483

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
318-483 A Alexandria LA ALXNLAMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 486      
318-483 0 Alexandria LA ALXNLAMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 486      
318-483 1 Alexandria LA ALXNLAMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 486      
318-483 3 Alexandria LA ALXNLAMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 486      
318-483 4 Alexandria LA ALXNLAMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 486      
318-483 5 Alexandria LA ALXNLAMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 486      
318-483 6 Alexandria LA SHPTLAMAX6Y  3232 LEVEL 3 COMMUNICATIONS, LLC - LA 486   2023-08-18   
318-483 7 Alexandria LA ALXNLAMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 486      
318-483 8 Alexandria LA ALXNLAMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 486      
318-483 9 Alexandria LA ALXNLAMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 486      

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.