Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 909 [Rate centres in NPA 909] [Dial plan for NPA 909]

NXX: 527

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-527 A Upland CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2024-01-23   
909-527 0 Upland CA   6529 T-MOBILE USA, INC. 730   2006-10-10   
909-527 1 Upland CA   515J IP HORIZON LLC 730   2006-10-09   
909-527 2 Upland CA   515J IP HORIZON LLC 730   2006-10-09   
909-527 3 Upland CA   776C CHARTER FIBERLINK CA-CCO, LLC - CA 730   2006-10-16   
909-527 4 Upland CA   776C CHARTER FIBERLINK CA-CCO, LLC - CA 730   2009-03-09   
909-527 5 Upland CA   6529 T-MOBILE USA, INC. 730   2006-11-11   
909-527 6 Upland CA   649C ONVOY, LLC - CA 730   2006-10-19   
909-527 7 Upland CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-11-13   
909-527 8 Upland CA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2006-10-10   
909-527 9 Upland CA   6529 T-MOBILE USA, INC. 730   2006-12-07   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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