Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Montebello, CA

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
323-884 6 ELMNCAFIGT1  899D METROPCS NETWORKS, LLC 730   2014-11-28   
323-884 7 ELMNCAFIGT1  899D METROPCS NETWORKS, LLC 730   2014-11-28   
323-884 8 ELMNCAFIGT1  899D METROPCS NETWORKS, LLC 730   2014-11-28   
323-884 9   899D METROPCS NETWORKS, LLC 730   2014-11-28   
323-887 A LSANCA35DS0  9740 PACIFIC BELL 730      
323-888 A LSANCA35DS1  9740 PACIFIC BELL 730      
323-889 A LSANCA35DS1  9740 PACIFIC BELL 730      
323-889 0 LSANCA35DS1  9740 PACIFIC BELL 730      
323-889 1 LSANCA35DS1  9740 PACIFIC BELL 730      
323-889 2 LSANCA35DS1  9740 PACIFIC BELL 730      
323-889 3 LSANCA35DS1  9740 PACIFIC BELL 730      
323-889 4 LSANCA35DS1  9740 PACIFIC BELL 730      
323-889 5 LSANCA35DS1  9740 PACIFIC BELL 730      
323-889 6 LSANCA35DS1  9740 PACIFIC BELL 730      
323-889 7 LSANCA35DS1  9740 PACIFIC BELL 730      
323-889 8 LSANCA35DS1  9740 PACIFIC BELL 730      
323-889 9 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2008-04-01   
323-890 A LSANCA35DS0  9740 PACIFIC BELL 730      
323-890 0 LSANCA35DS0  9740 PACIFIC BELL 730      
323-890 1 LSANCA35DS0  9740 PACIFIC BELL 730      
323-890 2 LSANCA35DS0  9740 PACIFIC BELL 730      
323-890 3 LSANCA35DS0  9740 PACIFIC BELL 730      
323-890 4 LSANCA35DS0  9740 PACIFIC BELL 730      
323-890 5 LSANCA35DS0  9740 PACIFIC BELL 730      
323-890 6 ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730   2019-02-07   
323-890 7 LSANCA35DS0  9740 PACIFIC BELL 730      
323-890 8 LSANCA35DS0  9740 PACIFIC BELL 730      
323-890 9 LSANCA35DS0  9740 PACIFIC BELL 730      
323-893 A CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
323-895 A CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
323-895 0 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2008-05-12   
323-895 1 LSANCARCDS1  993B CURATEL, LLC - CA 730   2009-08-24   
323-895 2 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2009-10-09   
323-895 3 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2009-10-09   
323-895 4 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2009-01-30   
323-895 5 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2009-01-30   
323-895 6 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2009-01-30   
323-895 7 ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2009-03-02   
323-895 8 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2009-09-01   
323-895 9 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2010-07-11   
323-914 A GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
323-914 0 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-08-18   
323-914 1 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-08-18   
323-914 2 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-08-18   
323-914 3 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-08-18   
323-914 4 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-08-18   
323-914 5 LSANCA03DS7  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2017-10-03   
323-914 6 GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2017-10-03   
323-914 7 LSANCA03DS7  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2017-05-27   
323-914 8 LSANCA03DS7  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2017-05-27   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.