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: 450

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
302-450 A Dover DE WLMGDE01BMD  7421 AT&T - LOCAL 228      
302-450 0 Dover DE   6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP DBA T-MOBILE USA 228   2005-10-01   
302-450 1 Dover DE   4801 LEVEL 3 COMMUNICATIONS, LLC - DE 228   2006-03-30   
302-450 2 Dover DE   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2006-07-04   
302-450 3 Dover DE   318J COMCAST IP PHONE LLC 228   2015-08-14   
302-450 4 Dover DE   4124 XO DELAWARE, INC. 228   2005-10-23   
302-450 5 Dover DE   4124 XO DELAWARE, INC. 228   2005-10-23   
302-450 6 Dover DE   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2006-07-04   
302-450 7 Dover DE   4124 XO DELAWARE, INC. 228   2006-06-19   
302-450 8 Dover DE   6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP DBA T-MOBILE USA 228   2007-04-08   
302-450 9 Dover DE   7421 AT&T - LOCAL 228      

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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