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: 489

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-489 A Glenwood MD GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      
410-489 0 Glenwood MD GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      
410-489 1 Glenwood MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-06-26   
410-489 2 Glenwood MD GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      
410-489 3 Glenwood MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-04-04   
410-489 4 Glenwood MD GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      
410-489 5 Glenwood MD GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      
410-489 6 Glenwood MD GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      
410-489 7 Glenwood MD GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      
410-489 8 Glenwood MD BLTMMDCHAMD  1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 238   2003-02-26   
410-489 9 Glenwood MD GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      

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

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