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.
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La Romana, DR

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
809-349 A SWCHDRUNKNO  8921 TRICOM (DR) 828      
809-550 A SWCHDRUNKNO  8909 CODETEL (DR) 828      
809-556 A SWCHDRUNKNO  8909 CODETEL (DR) 828      
809-833 A SWCHDRUNKNO  8909 CODETEL (DR) 828      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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