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: 775 [Rate centres in NPA 775] [Dial plan for NPA 775]

NXX: 577

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
775-577 A Silver Springs NV SVSPNV11RS3  9742 NEVADA BELL 720      
775-577 0 Silver Springs NV SVSPNV11RS3  9742 NEVADA BELL 720      
775-577 1 Silver Springs NV SVSPNV11RS3  9742 NEVADA BELL 720      
775-577 2 Silver Springs NV SVSPNV11RS3  9742 NEVADA BELL 720      
775-577 3 Silver Springs NV RENONV127MD  029F ONVOY, LLC - NV 720   2018-09-26   
775-577 4 Silver Springs NV SVSPNV11RS3  9742 NEVADA BELL 720      
775-577 5 Silver Springs NV SVSPNV11RS3  9742 NEVADA BELL 720      
775-577 6 Silver Springs NV   792K CHARTER IP ENABLED SERVICES, LLC 720   2010-02-15   
775-577 7 Silver Springs NV RENONV127MD  029F ONVOY, LLC - NV 720   2018-09-26   
775-577 8 Silver Springs NV RENONV127MD  029F ONVOY, LLC - NV 720   2018-03-01   
775-577 9 Silver Springs NV SVSPNV11RS3  9742 NEVADA BELL 720      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.