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: 820 [Rate centres in NPA 820] [Dial plan for NPA 820]

NXX: 900

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
820-900 A Bradley CA SNBBCAXFXIY  965H FRACTEL, LLC 740      
820-900 0 Bradley CA SNBBCAXFXIY  965H FRACTEL, LLC 740      
820-900 1 Bradley CA SNLOCA01XFX  649C ONVOY, LLC - CA 740      
820-900 2 Bradley CA SNLOCA01XFX  649C ONVOY, LLC - CA 740      
820-900 3 Bradley CA SNLOCA01XFX  649C ONVOY, LLC - CA 740      
820-900 4 Bradley CA SNLOCA01XFX  649C ONVOY, LLC - CA 740      
820-900 5 Bradley CA SNBBCAXFXFY  624H ONVOY SPECTRUM, LLC 740      
820-900 6 Bradley CA SNBBCAXFXFY  624H ONVOY SPECTRUM, LLC 740      
820-900 8 Bradley CA   516C AT&T CORP. 740      
820-900 9 Bradley CA SNBBCAXFXIY  965H FRACTEL, LLC 740      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.