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: 214 [Rate centres in NPA 214] [Dial plan for NPA 214]

NXX: 487

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
214-487 A Dallas TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552      
214-487 0 Dallas TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552      
214-487 1 Dallas TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552      
214-487 2 Dallas TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552      
214-487 3 Dallas TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552      
214-487 4 Dallas TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552      
214-487 5 Dallas TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552      
214-487 6 Dallas TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552      
214-487 7 Dallas TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552      
214-487 8 Dallas TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552      
214-487 9 Dallas TX DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.