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: 550

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
318-550 A Shreveport LA SHPTLAMADS3  3807 NETWORK TELEPHONE CORPORATION - LA 486      
318-550 0 Shreveport LA SHPTLAMADS3  3807 NETWORK TELEPHONE CORPORATION - LA 486      
318-550 1 Shreveport LA SHPTLA12X2Z  6505 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 486   2008-05-30   
318-550 2 Shreveport LA SHPTLAMADS3  3807 NETWORK TELEPHONE CORPORATION - LA 486   2005-07-09   
318-550 3 Shreveport LA SHPTLAMAX6Y  3232 LEVEL 3 COMMUNICATIONS, LLC - LA 486   2005-07-18   
318-550 4 Shreveport LA SHPTLAMAX6Y  3232 LEVEL 3 COMMUNICATIONS, LLC - LA 486   2006-04-14   
318-550 5 Shreveport LA ALXNLAMAXKX  260H CEBRIDGE TELECOM LA, LLC D/B/A SUDDENLINK COMM LA 486   2006-08-09   
318-550 6 Shreveport LA SHPULA34G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 486   2006-02-27   
318-550 7 Shreveport LA SHPULA34G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 486   2006-02-27   
318-550 8 Shreveport LA SHPULA34G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 486   2006-02-27   
318-550 9 Shreveport LA SHPTLAMADS3  3807 NETWORK TELEPHONE CORPORATION - LA 486      

Last updated: Fri, 13 May 2022 22:16:13 UTC

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