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: 608

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-608 A Frederick MD FRDRMDFRIMD  551G NUSO, LLC 240      
240-608 0 Frederick MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2013-07-22   
240-608 1 Frederick MD FRDRMDFRIMD  551G NUSO, LLC 240   2013-05-08   
240-608 2 Frederick MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2014-05-30   
240-608 3 Frederick MD FRDRMDFRPMD  2589 US LEC OF MARYLAND, INC. 240   2014-02-07   
240-608 4 Frederick MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2014-05-30   
240-608 5 Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2014-08-01   
240-608 6 Frederick MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2014-02-15   
240-608 7 Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2015-05-05   
240-608 8 Frederick MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2013-12-09   
240-608 9 Frederick MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2013-12-09   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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