Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 925 [Rate centres in NPA 925] [Dial plan for NPA 925]

NXX: 566

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-566 A Concord CA OKLDCA03DS1  7421 AT&T LOCAL 722      
925-566 0 Concord CA FRMTCAEDDS0  7262 XO CALIFORNIA, INC. 722   2004-09-15   
925-566 1 Concord CA SNFCCAMMDSA  4129 O1 COMMUNICATIONS, INC. - CA 722   2002-10-12   
925-566 2 Concord CA SNFCCAMMDSA  4129 O1 COMMUNICATIONS, INC. - CA 722   2002-10-12   
925-566 3 Concord CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2007-09-07   
925-566 4 Concord CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2010-12-09   
925-566 5 Concord CA FRMTCAEDDS0  7262 XO CALIFORNIA, INC. 722   2005-09-22   
925-566 6 Concord CA FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722   2005-09-22   
925-566 7 Concord CA FRMTCAEDDS2  7262 XO CALIFORNIA, INC. 722   2005-09-22   
925-566 8 Concord CA SNFCCAMMDS0  485E ASTOUND BROADBAND, LLC - CA 722   2009-07-13   
925-566 9 Concord CA OKLDCA03DS1  7421 AT&T LOCAL 722      

Last updated: Tue, 04 May 2021 15:04:27 UTC

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