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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Couva, TR

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
868-636 A SWCHTRUNKNO  8918 TELECOMMUNICATIONS SERVICES OF TRINIDAD&TOBAGO LTD 830      
868-678 A SWCHTRUNKNO  550C TELECOMM SERVICES OF TRINIDAD & TOBAGO LIMITED 830      
868-679 A SWCHTRUNKNO  8918 TELECOMMUNICATIONS SERVICES OF TRINIDAD&TOBAGO LTD 830      

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

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