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: 774 [Rate centres in NPA 774] [Dial plan for NPA 774]

NXX: 636

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
774-636 A Rochester MA SOVLMAABCMD  516J TON80 COMMUNICATIONS, LLC 128      
774-636 0 Rochester MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
774-636 1 Rochester MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
774-636 2 Rochester MA SOVLMAABCMD  516J TON80 COMMUNICATIONS, LLC 128      
774-636 3 Rochester MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128      
774-636 4 Rochester MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128      
774-636 7 Rochester MA SOVLMAABCMD  516J TON80 COMMUNICATIONS, LLC 128      
774-636 8 Rochester MA BRTNMACRLMD  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
774-636 9 Rochester MA SOVLMAABDMD  490J DISH WIRELESS, LLC 128      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.