Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 310 [Rate centres in NPA 310] [Dial plan for NPA 310]

NXX: 565

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
310-565 A El Segundo CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS GROUP - LOS ANGELES 730      
310-565 2 El Segundo CA   624H ONVOY SPECTRUM, LLC 730   2021-02-24   
310-565 3 El Segundo CA LSANCA03JMD  506J TWILIO INTERNATIONAL INC 730   2020-10-20   
310-565 4 El Segundo CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS GROUP - LOS ANGELES 730   2020-10-12   
310-565 5 El Segundo CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS GROUP - LOS ANGELES 730   2020-10-12   
310-565 6 El Segundo CA GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS GROUP - LOS ANGELES 730   2020-10-12   
310-565 7 El Segundo CA   624H ONVOY SPECTRUM, LLC 730   2021-02-24   
310-565 8 El Segundo CA   624H ONVOY SPECTRUM, LLC 730   2021-02-24   
310-565 9 El Segundo CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2021-02-15   

Last updated: Sun, 07 Feb 2021 01:52:50 UTC

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