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.

NPA: 562 [Rate centres in NPA 562] [Dial plan for NPA 562]

NXX: 257

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
562-257 A Long Beach CA IRVECAJTDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
562-257 0 Long Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
562-257 1 Long Beach CA IRVECAJTDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
562-257 2 Long Beach CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
562-257 3 Long Beach CA LNBHCAXPXBY  649C ONVOY, LLC - CA 730      
562-257 4 Long Beach CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
562-257 5 Long Beach CA IRVECAJTDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
562-257 6 Long Beach CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
562-257 7 Long Beach CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
562-257 8 Long Beach CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-257 9 Long Beach CA IRVECAJTDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.