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: 587

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
318-587 A Cottonport LA SHPTLA12X2Z  6505 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 486      
318-587 0 Cottonport LA SHPTLA12X2Z  6505 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 486      
318-587 1 Cottonport LA SHPTLA12X2Z  6505 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 486      
318-587 2 Cottonport LA SHPTLA12X2Z  6505 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 486      
318-587 5 Cottonport LA SHPTLA12X2Z  6505 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 486      
318-587 6 Cottonport LA SHPTLAMAXQY  653C TELEPORT COMMUNICATIONS AMERICA LA - LLC 486      
318-587 7 Cottonport LA SHPTLAMAX6Y  3232 LEVEL 3 COMMUNICATIONS, LLC - LA 486      
318-587 8 Cottonport LA CTPTLAXA5MD  749E ONVOY, LLC - LA 486      
318-587 9 Cottonport LA CTPTLAXA5MD  749E ONVOY, LLC - LA 486      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.