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: 402 [Rate centres in NPA 402] [Dial plan for NPA 402]

NXX: 347

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
402-347 A Norfolk NE HSKNNEXSRS1  975G PBN, LLC - NE 644      
402-347 0 Norfolk NE   549E ONVOY, LLC - NE 644   2016-07-29   
402-347 1 Norfolk NE   975G PBN, LLC - NE 644   2013-04-04   
402-347 2 Norfolk NE   549E ONVOY, LLC - NE 644   2017-11-03   
402-347 3 Norfolk NE   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 644   2018-05-01   
402-347 4 Norfolk NE   549E ONVOY, LLC - NE 644   2018-05-25   
402-347 5 Norfolk NE   995E BANDWIDTH.COM CLEC, LLC - NE 644   2018-06-09   
402-347 6 Norfolk NE   975G PBN, LLC - NE 644   2020-07-03   
402-347 7 Norfolk NE   549E ONVOY, LLC - NE 644   2016-03-14   
402-347 8 Norfolk NE   549E ONVOY, LLC - NE 644   2016-03-14   
402-347 9 Norfolk NE   073H TELNYX LLC 644   2017-03-23   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.