Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 820 [Rate centres in NPA 820] [Dial plan for NPA 820]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
820-200 A Thousand Oaks CA   181J ADVANCED TELECOM SOLUTIONS, LLC 730   2018-08-09   
820-200 0 Thousand Oaks CA   181J ADVANCED TELECOM SOLUTIONS, LLC 730   2018-08-09   
820-200 9 Thousand Oaks CA   6529 T-MOBILE USA, INC. 730   2019-07-20   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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