Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 410 [Rate centres in NPA 410] [Dial plan for NPA 410]

NXX: 874

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-874 A Odenton MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-874 0 Odenton MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2012-10-11   
410-874 1 Odenton MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-874 2 Odenton MD   829J PAETEC ITEL, LLC 238   2006-06-30   
410-874 3 Odenton MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2012-09-20   
410-874 4 Odenton MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2012-10-11   
410-874 5 Odenton MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2012-10-11   
410-874 6 Odenton MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2015-08-28   
410-874 7 Odenton MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2006-09-12   
410-874 8 Odenton MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2006-09-12   
410-874 9 Odenton MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

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