Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 318 [Rate centres in NPA 318] [Dial plan for NPA 318]

NXX: 399

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
318-399 A Shreveport LA   3232 LEVEL 3 COMMUNICATIONS, LLC - LA 486      
318-399 0 Shreveport LA SHPTLAMAXKZ  551G NUSO, LLC 486   2018-02-28   
318-399 3 Shreveport LA SHPTLA12X5Y  8764 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 486   2018-03-21   
318-399 6 Shreveport LA SHPTLAMAXQY  653C TELEPORT COMMUNICATIONS AMERICA LA - LLC 486   2018-06-18   
318-399 7 Shreveport LA SHPTLAMAX6Y  3232 LEVEL 3 COMMUNICATIONS, LLC - LA 486   2018-06-17   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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