Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 840 [Rate centres in NPA 840] [Dial plan for NPA 840]

NXX: 253

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
840-253 A Calimesa CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2024-04-27   
840-253 0 Calimesa CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2024-06-07   
840-253 9 Calimesa CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2024-04-27   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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