Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 302 [Rate centres in NPA 302] [Dial plan for NPA 302]

NXX: 578

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
302-578 A Gumboro DE PHLAPASBDS0  7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228      
302-578 0 Gumboro DE   515J IP HORIZON LLC 228   2016-03-10   
302-578 1 Gumboro DE   073H TELNYX LLC 228   2017-08-08   
302-578 2 Gumboro DE   1991 CORETEL DELAWARE, INC. - DE 228   2019-05-13   
302-578 3 Gumboro DE   969E ONVOY, LLC - DE 228   2021-01-15   
302-578 4 Gumboro DE   624H ONVOY SPECTRUM, LLC 228   2021-11-07   
302-578 5 Gumboro DE   624H ONVOY SPECTRUM, LLC 228   2021-05-15   
302-578 6 Gumboro DE   349F PEERLESS NETWORK OF DELAWARE, LLC - DE 228   2020-10-25   
302-578 7 Gumboro DE   969E ONVOY, LLC - DE 228   2016-03-18   
302-578 8 Gumboro DE   969E ONVOY, LLC - DE 228   2013-11-03   
302-578 9 Gumboro DE   7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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