Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: LARLMDCCDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-221 8 Washington Zone 11 MD 4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 236   2004-04-06   
240-318 8 Washington Zone 16 MD 4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 236   2004-04-06   
240-487 4 Washington Zone 4 MD 4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 236   2004-04-06   
240-533 3 Washington Zone 3 MD 4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 236   2004-04-06   
240-544 4 Washington Zone 14 MD 4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 236   2004-04-06   
240-767 7 Washington Zone 5 MD 4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 236   2004-04-06   
301-260 6 Ashton MD 4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 236   2004-04-06   
301-263 8 Washington Zone 2 MD 4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 236   2004-04-06   
301-356 A Laurel MD 4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 236      
301-356 9 Laurel MD 4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 236   2004-04-05   
301-556 5 Gaithersburg MD 4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 236   2004-05-06   
301-605 8 Washington Zone 10 MD 4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 236   2004-04-06   
301-823 8 Washington Zone 13 MD 4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 236   2004-04-06   
301-885 5 Waldorf MD 4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 236   2004-04-06   
301-971 1 Washington Zone 6 MD 4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 236   2004-04-06   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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