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: 731

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
318-731 A Vivian LA SHPTLAMAXRY  153F BANDWIDTH.COM CLEC, LLC - LA 486      
318-731 0 Vivian LA SHPTLAMAXRY  153F BANDWIDTH.COM CLEC, LLC - LA 486   2016-07-24   
318-731 1 Vivian LA SHPTLAMAXZY  749E ONVOY, LLC - LA 486   2018-10-27   
318-731 2 Vivian LA SHPTLAMA11Z  318J COMCAST IP PHONE, LLC 486   2023-05-31   
318-731 3 Vivian LA SHPTLAMAX6Y  3232 LEVEL 3 COMMUNICATIONS, LLC - LA 486   2019-06-04   
318-731 4 Vivian LA SHPTLAMA02Z  624H ONVOY SPECTRUM, LLC 486   2023-07-21   
318-731 6 Vivian LA SHPTLAMAXZY  749E ONVOY, LLC - LA 486   2021-02-25   
318-731 7 Vivian LA SHPTLAMAXZY  749E ONVOY, LLC - LA 486   2021-02-25   
318-731 8 Vivian LA SHPTLAMAXZY  749E ONVOY, LLC - LA 486   2019-03-31   
318-731 9 Vivian LA SHPTLAMAXZY  749E ONVOY, LLC - LA 486   2019-03-31   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.