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.

Switch: WLMGDEWLXXX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
302-223 8 Smyrna DE 312C IDT AMERICA, CORP. - DE 228   2006-07-06   
302-274 1 Wilmington DE 312C IDT AMERICA, CORP. - DE 228   2018-01-13   
302-365 1 Delaware City DE 312C IDT AMERICA, CORP. - DE 228   2006-07-06   
302-464 A Middletown DE 312C IDT AMERICA, CORP. - DE 228      
302-464 1 Middletown DE 312C IDT AMERICA, CORP. - DE 228   2008-05-05   
302-464 2 Middletown DE 312C IDT AMERICA, CORP. - DE 228   2006-07-06   
302-533 9 Newark DE 312C IDT AMERICA, CORP. - DE 228   2018-01-13   
302-608 1 Dover DE 312C IDT AMERICA, CORP. - DE 228   2018-01-13   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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