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: 269

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
227-269 A Washington Zone 5 MD   876D ONVOY, LLC - MD 236   2025-03-01   
227-269 0 Washington Zone 5 MD   876D ONVOY, LLC - MD 236   2025-03-01   
227-269 1 Washington Zone 5 MD   876D ONVOY, LLC - MD 236   2025-03-01   
227-269 2 Washington Zone 5 MD   876D ONVOY, LLC - MD 236   2025-03-01   
227-269 3 Washington Zone 5 MD   876D ONVOY, LLC - MD 236   2025-10-30   
227-269 4 Washington Zone 5 MD   876D ONVOY, LLC - MD 236   2025-10-30   
227-269 8 Washington Zone 5 MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2025-10-13   
227-269 9 Washington Zone 5 MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2025-10-13   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.