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: 549

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-549 A Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240      
240-549 0 Frederick MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2016-07-14   
240-549 1 Frederick MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2016-12-09   
240-549 2 Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2016-12-22   
240-549 3 Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2017-07-28   
240-549 4 Frederick MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2016-08-03   
240-549 5 Frederick MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2017-11-11   
240-549 6 Frederick MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2017-11-11   
240-549 7 Frederick MD FRDRMDFRIMD  551G NUSO, LLC 240   2018-02-28   
240-549 8 Frederick MD HGTWMD53DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 240   2018-03-09   
240-549 9 Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2016-05-14   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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