Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 408 [Rate centres in NPA 408] [Dial plan for NPA 408]

NXX: 852

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
408-852 A Gilroy CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-852 0 Gilroy CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-852 1 Gilroy CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-852 2 Gilroy CA GLRYCAXFDS0  4420 FRONTIER CALIFORNIA INC. 722   2006-09-10   
408-852 3 Gilroy CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-852 4 Gilroy CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-852 5 Gilroy CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-852 6 Gilroy CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-852 7 Gilroy CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-08-01   
408-852 8 Gilroy CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
408-852 9 Gilroy CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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