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: 840 [Rate centres in NPA 840] [Dial plan for NPA 840]

NXX: 200

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
840-200 A Chino CA LSANCAJWIMD  965H FRACTEL, LLC 730      
840-200 0 Chino CA LSANCAJWIMD  965H FRACTEL, LLC 730      
840-200 1 Chino CA LSANCARC32Z  073H TELNYX LLC 730      
840-200 2 Chino CA LSANCAJWIMD  965H FRACTEL, LLC 730      
840-200 3 Chino CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
840-200 4 Chino CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
840-200 5 Chino CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
840-200 6 Chino CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
840-200 7 Chino CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
840-200 8 Chino CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-200 9 Chino CA LNBHCAXPXQX  981E BANDWIDTH.COM CLEC, LLC - CA 730      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.