Local Calling Guide

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

NXX: 420

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
626-420 A La Puente CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
626-420 0 La Puente CA   515J IP HORIZON LLC 730   2015-09-25   
626-420 1 La Puente CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-10-09   
626-420 2 La Puente CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-10-09   
626-420 3 La Puente CA   6529 T-MOBILE USA, INC. 730   2015-10-31   
626-420 4 La Puente CA   6529 T-MOBILE USA, INC. 730   2015-10-31   
626-420 5 La Puente CA   6529 T-MOBILE USA, INC. 730   2015-09-24   
626-420 6 La Puente CA   6529 T-MOBILE USA, INC. 730   2015-09-24   
626-420 7 La Puente CA   6529 T-MOBILE USA, INC. 730   2015-09-24   
626-420 8 La Puente CA   6529 T-MOBILE USA, INC. 730   2015-09-24   
626-420 9 La Puente CA   6529 T-MOBILE USA, INC. 730   2015-09-24   

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

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