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: 579

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
318-579 A Arcadia LA SHPTLA12X2Z  6505 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 486      
318-579 0 Arcadia LA SHPTLA12X2Z  6505 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 486      
318-579 1 Arcadia LA SHPTLA12X2Z  6505 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 486      
318-579 2 Arcadia LA ALXNLAMAXKX  260H CEBRIDGE TELECOM LA, LLC D/B/A SUDDENLINK COMM LA 486   2019-10-24   
318-579 3 Arcadia LA SHPTLA12X2Z  6505 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 486      
318-579 4 Arcadia LA SHPTLAMAXZY  749E ONVOY, LLC - LA 486   2020-12-12   
318-579 5 Arcadia LA SHPTLAMAXMZ  516C AT&T CORP. 486   2012-12-10   
318-579 6 Arcadia LA SHPTLAMAXRY  153F BANDWIDTH.COM CLEC, LLC - LA 486   2020-12-11   
318-579 7 Arcadia LA SHPTLAMA19Z  145J TERRA NOVA TELECOM INC. 486   2024-10-30   
318-579 8 Arcadia LA SHPTLAMAXZY  749E ONVOY, LLC - LA 486   2016-05-25   
318-579 9 Arcadia LA SHPTLAMAXZY  749E ONVOY, LLC - LA 486   2016-05-25   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.