Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 510 [Rate centres in NPA 510] [Dial plan for NPA 510]

NXX: 870

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-870 A Fremont-Newark: Greenleaf DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-870 0 Fremont-Newark: Greenleaf DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-870 1 Fremont-Newark: Greenleaf DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-870 2 Fremont-Newark: Greenleaf DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-870 3 Fremont-Newark: Greenleaf DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-870 4 Fremont-Newark: Greenleaf DA CA   145J TERRA NOVA TELECOM INC. 722   2021-04-28   
510-870 5 Fremont-Newark: Greenleaf DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-870 6 Fremont-Newark: Greenleaf DA CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2021-05-19   
510-870 7 Fremont-Newark: Greenleaf DA CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2021-05-19   
510-870 8 Fremont-Newark: Greenleaf DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-870 9 Fremont-Newark: Greenleaf DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      

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

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