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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-858 A Washington Zone 2 MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-858 0 Washington Zone 2 MD   876D ONVOY, LLC - MD 236   2016-10-01   
240-858 1 Washington Zone 2 MD   876D ONVOY, LLC - MD 236   2016-10-01   
240-858 2 Washington Zone 2 MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2017-07-09   
240-858 3 Washington Zone 2 MD   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2017-08-25   
240-858 4 Washington Zone 2 MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 236   2017-07-28   
240-858 6 Washington Zone 2 MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 236   2017-08-24   
240-858 7 Washington Zone 2 MD   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2017-08-25   
240-858 8 Washington Zone 2 MD   568G PEERLESS NETWORK OF MARYLAND, LLC 236   2016-10-14   
240-858 9 Washington Zone 2 MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2016-09-10   

Last updated: Sun, 29 Sep 2019 14:17:11 UTC

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