Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
302-725 3 Milford DE   228   2009-07-01   
302-729 4 Hockessin DE   228   2008-01-02   
302-746 3 Holly Oak DE   228   2008-04-01   
302-746 6 Holly Oak DE   228   2014-06-25   
302-751 3 Frederica DE   228   2009-10-30   
302-752 3 Georgetown DE   228   2009-05-15   
302-781 3 Newark DE   228   2008-04-01   
302-781 6 Newark DE   228   2010-06-23   
302-802 5 Smyrna DE   228   2022-03-01   
302-829 3 Ocean View DE   228   2009-11-30   
302-854 3 Georgetown DE   228      
302-854 4 Georgetown DE   228      
302-861 4 Newark DE   228   2004-10-13   
302-884 7 Wilmington DE   228   2017-03-10   
302-990 3 Seaford DE   228   2009-07-30   
302-991 3 New Castle DE   228   2020-10-02   

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

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