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: 256

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
626-256 A Monrovia CA MNRVCAXG35K  2319 FRONTIER CALIFORNIA INC. 730      

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

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