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: 227 [Rate centres in NPA 227] [Dial plan for NPA 227]

NXX: 226

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
227-226 A Frederick MD   876D ONVOY, LLC - MD 240   2024-03-30   
227-226 0 Frederick MD   876D ONVOY, LLC - MD 240      
227-226 1 Frederick MD   876D ONVOY, LLC - MD 240      
227-226 2 Frederick MD   876D ONVOY, LLC - MD 240      
227-226 3 Frederick MD   876D ONVOY, LLC - MD 240      
227-226 4 Frederick MD   876D ONVOY, LLC - MD 240      
227-226 5 Frederick MD   876D ONVOY, LLC - MD 240      
227-226 6 Frederick MD   876D ONVOY, LLC - MD 240      
227-226 7 Frederick MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240      
227-226 8 Frederick MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240      
227-226 9 Frederick MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.