Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 341 [Rate centres in NPA 341] [Dial plan for NPA 341]

NXX: 420

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
341-420 A Oakland: Fruitvale DA CA SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722      
341-420 0 Oakland: Fruitvale DA CA SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722   2021-12-19   
341-420 1 Oakland: Fruitvale DA CA SNFCCAMKX9X  073H TELNYX LLC 722   2021-12-24   
341-420 2 Oakland: Fruitvale DA CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2022-07-13   
341-420 3 Oakland: Fruitvale DA CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2022-07-13   
341-420 4 Oakland: Fruitvale DA CA SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722   2022-02-06   
341-420 5 Oakland: Fruitvale DA CA SNJUCACL8MD  145J TERRA NOVA TELECOM INC. 722   2024-02-14   
341-420 6 Oakland: Fruitvale DA CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2022-07-13   
341-420 7 Oakland: Fruitvale DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-10-10   
341-420 8 Oakland: Fruitvale DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-10-10   
341-420 9 Oakland: Fruitvale DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-10-10   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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