Local Calling Guide

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

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-209 4 Indian Head MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2023-06-17   
240-209 5 Indian Head MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2022-10-15   
240-209 6 Indian Head MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2022-10-15   
240-209 7 Indian Head MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2019-11-11   
240-209 8 Indian Head MD   876D ONVOY, LLC - MD 236   2025-04-06   
240-209 9 Indian Head MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-210 A Waldorf MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-210 0 Waldorf MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-210 1 Waldorf MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-210 2 Waldorf MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-210 3 Waldorf MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-210 4 Waldorf MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-210 5 Waldorf MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-210 6 Waldorf MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-210 7 Waldorf MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-11-20   
240-210 8 Waldorf MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2007-07-27   
240-210 9 Waldorf MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-04-29   
240-212 A Oakland MD HGTWMD53DS0  2593 CORE COMMUNICATIONS, INC.- MD 240      
240-213 A Waldorf MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-213 0 Waldorf MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2021-01-03   
240-213 1 Waldorf MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2021-01-03   
240-213 2 Waldorf MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2021-01-03   
240-213 3 Waldorf MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2020-04-30   
240-213 4 Waldorf MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2020-04-30   
240-213 5 Waldorf MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2021-01-03   
240-213 6 Waldorf MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2020-10-17   
240-213 7 Waldorf MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2020-10-17   
240-213 8 Waldorf MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2021-01-03   
240-213 9 Waldorf MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-214 A Mechanicsville MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-214 2 Mechanicsville MD   568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-215 A Frederick MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-215 0 Frederick MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-215 1 Frederick MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-215 2 Frederick MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 240   2002-04-06   
240-215 3 Frederick MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2005-02-07   
240-215 4 Frederick MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2002-06-28   
240-215 5 Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2005-06-02   
240-215 6 Frederick MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-215 7 Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2005-06-02   
240-215 8 Frederick MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-215 9 Frederick MD FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2021-11-18   
240-216 A Waldorf MD BTVLMD12CMA  5562 METROPCS, INC. 236      
240-216 0 Waldorf MD BTVLMD12CMA  5562 METROPCS, INC. 236      
240-216 1 Waldorf MD BTVLMD12CMA  5562 METROPCS, INC. 236      
240-216 2 Waldorf MD BTVLMD12CMA  5562 METROPCS, INC. 236      
240-216 3 Waldorf MD BTVLMD12CMA  5562 METROPCS, INC. 236      
240-216 4 Waldorf MD BTVLMD12CMA  5562 METROPCS, INC. 236      
240-216 5 Waldorf MD BTVLMD12CMA  5562 METROPCS, INC. 236   2010-11-10   
240-216 6 Waldorf MD BTVLMD12CMA  5562 METROPCS, INC. 236      

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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