Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 626 [Rate centres in NPA 626] [Dial plan for NPA 626]

NXX: 599

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
626-599 A Monrovia CA MNRVCAXG35K  2319 FRONTIER CALIFORNIA INC. 730      
626-599 0 Monrovia CA   624H ONVOY SPECTRUM, LLC 730   2022-03-25   
626-599 1 Monrovia CA   2319 FRONTIER CALIFORNIA INC. 730      
626-599 2 Monrovia CA   2319 FRONTIER CALIFORNIA INC. 730      
626-599 3 Monrovia CA   2319 FRONTIER CALIFORNIA INC. 730      
626-599 4 Monrovia CA   145J TERRA NOVA TELECOM INC. 730   2021-10-02   
626-599 5 Monrovia CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
626-599 6 Monrovia CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2014-12-15   
626-599 7 Monrovia CA   2319 FRONTIER CALIFORNIA INC. 730      
626-599 8 Monrovia CA   2319 FRONTIER CALIFORNIA INC. 730      
626-599 9 Monrovia CA   2319 FRONTIER CALIFORNIA INC. 730      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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