Local Calling Guide

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NPA: 240 [Rate centres in NPA 240] [Dial plan for NPA 240]

NXX: 449

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-449 A Gaithersburg MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-449 0 Gaithersburg MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-449 1 Gaithersburg MD WASHDCMTX7X  2697 CTC COMMUNICATIONS CORP. - MD 236      
240-449 2 Gaithersburg MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-449 3 Gaithersburg MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-449 4 Gaithersburg MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-449 5 Gaithersburg MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-449 6 Gaithersburg MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-449 7 Gaithersburg MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-449 8 Gaithersburg MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-449 9 Gaithersburg MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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