Local Calling Guide

Area code/prefix search

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Towson, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-236 A CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-249 A TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-252 A CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-283 A HNVAMDAECM0  6630 USA MOBILITY WIRELESS, INC. 238      
410-296 A TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-307 A TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-307 0   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-10-14   
410-307 1   4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 238   2003-11-08   
410-307 2   9212 VERIZON MARYLAND, INC. 238      
410-307 3   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-12-09   
410-307 4   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-12-09   
410-307 5   9212 VERIZON MARYLAND, INC. 238      
410-307 6   9212 VERIZON MARYLAND, INC. 238      
410-307 7   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-12-09   
410-307 8   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-10-14   
410-307 9   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-05-29   
410-308 A CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-321 A TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-324 A TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-324 0   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-23   
410-324 1   9212 VERIZON MARYLAND, INC. 238      
410-324 2   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-22   
410-324 3   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-22   
410-324 4   9212 VERIZON MARYLAND, INC. 238      
410-324 5   9212 VERIZON MARYLAND, INC. 238      
410-324 6   876D ONVOY, LLC - MD 238   2016-02-29   
410-324 7   876D ONVOY, LLC - MD 238   2016-03-09   
410-324 8   9212 VERIZON MARYLAND, INC. 238      
410-324 9   8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-07-17   
410-337 A TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-339 A TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-339 0   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-23   
410-339 1   876D ONVOY, LLC - MD 238   2016-03-31   
410-339 2   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2019-01-10   
410-339 3   9212 VERIZON MARYLAND, INC. 238      
410-339 4   9212 VERIZON MARYLAND, INC. 238      
410-339 5   9212 VERIZON MARYLAND, INC. 238      
410-339 6   9212 VERIZON MARYLAND, INC. 238      
410-339 7   9212 VERIZON MARYLAND, INC. 238      
410-339 8   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-23   
410-339 9   2593 CORE COMMUNICATIONS, INC. - MD 238   2018-10-23   
410-372 A BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-372 0   9212 VERIZON MARYLAND, INC. 238      
410-372 1   9212 VERIZON MARYLAND, INC. 238      
410-372 2   9212 VERIZON MARYLAND, INC. 238      
410-372 3   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2015-10-02   
410-372 4   8864 BROADWING COMMUNICATIONS. LLC - MD 238      
410-372 5   7421 AT&T LOCAL 238   2002-11-30   
410-372 6   2589 US LEC OF MARYLAND, INC. 238   2004-11-27   
410-372 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-06-01   

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Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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