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: 849 [Rate centres in NPA 849] [Dial plan for NPA 849]

NXX: 710

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
849-710 A Santo Domingo DR SWCHDRUNKNO  8921 TRICOM (DR) 828      

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.