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: 302 [Rate centres in NPA 302] [Dial plan for NPA 302]

NXX: 321

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
302-321 A Dagsboro DE   829J PAETEC ITEL, LLC 228   2025-03-11   
302-321 0 Dagsboro DE   829J PAETEC ITEL, LLC 228      
302-321 1 Dagsboro DE   969E ONVOY, LLC - DE 228   2020-06-06   
302-321 2 Dagsboro DE   969E ONVOY, LLC - DE 228   2020-06-06   
302-321 3 Dagsboro DE   969E ONVOY, LLC - DE 228   2020-10-17   
302-321 4 Dagsboro DE   969E ONVOY, LLC - DE 228   2020-10-17   
302-321 5 Dagsboro DE   073F BANDWIDTH.COM CLEC, LLC - DE 228   2020-12-11   
302-321 6 Dagsboro DE   4801 LEVEL 3 COMMUNICATIONS, LLC - DE 228   2004-11-14   
302-321 7 Dagsboro DE   4801 LEVEL 3 COMMUNICATIONS, LLC - DE 228   2006-05-12   
302-321 8 Dagsboro DE   1991 CORETEL DELAWARE, INC. - DE 228   2009-03-17   
302-321 9 Dagsboro DE   826F MCC TELEPHONY OF THE MID-ATLANTIC, LLC - DE 228   2006-08-11   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.