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: 661 [Rate centres in NPA 661] [Dial plan for NPA 661]

NXX: 359

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-359 A Delano CA BKFDCA12X5X  9262 UTILITY TELECOM GROUP, LLC - CA 734      
661-359 0 Delano CA BKFDCA12X5X  9262 UTILITY TELECOM GROUP, LLC - CA 734   2018-02-07   
661-359 1 Delano CA BKFDCA12X5X  9262 UTILITY TELECOM GROUP, LLC - CA 734   2017-12-08   
661-359 2 Delano CA BKFDCA12X5X  9262 UTILITY TELECOM GROUP, LLC - CA 734   2017-12-08   
661-359 3 Delano CA BKFDCA12X5X  9262 UTILITY TELECOM GROUP, LLC - CA 734   2017-12-08   
661-359 4 Delano CA BKFDCA12X5X  9262 UTILITY TELECOM GROUP, LLC - CA 734   2017-12-08   
661-359 5 Delano CA BKFDCA12X5X  9262 UTILITY TELECOM GROUP, LLC - CA 734   2017-12-08   
661-359 6 Delano CA BKFDCA12X5X  9262 UTILITY TELECOM GROUP, LLC - CA 734   2017-12-08   
661-359 7 Delano CA BKFDCA12X5X  9262 UTILITY TELECOM GROUP, LLC - CA 734      
661-359 8 Delano CA BKFDCA12X5X  9262 UTILITY TELECOM GROUP, LLC - CA 734      
661-359 9 Delano CA BKFDCA12X5X  9262 UTILITY TELECOM GROUP, LLC - CA 734      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.