Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 240 [Rate centres in NPA 240] [Dial plan for NPA 240]

NXX: 920

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-920 A Cumberland MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-920 0 Cumberland MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-920 1 Cumberland MD FRDRMDFRKMD  5562 METROPCS, INC. 240   2009-06-12   
240-920 2 Cumberland MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2009-11-11   
240-920 3 Cumberland MD FRDRMDLH7MD  281E YMAX COMMUNICATIONS CORP. - MD 240   2009-03-13   
240-920 4 Cumberland MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2009-11-11   
240-920 5 Cumberland MD FRDRMDLH7MD  281E YMAX COMMUNICATIONS CORP. - MD 240   2009-03-13   
240-920 6 Cumberland MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2010-10-28   
240-920 7 Cumberland MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2010-05-25   
240-920 8 Cumberland MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2010-05-25   
240-920 9 Cumberland MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2009-03-30   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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