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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-888 A Waterloo (Washington DC LATA) MD LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
410-888 1 Waterloo (Washington DC LATA) MD   9212 VERIZON MARYLAND, INC. 236      
410-888 2 Waterloo (Washington DC LATA) MD   2593 CORE COMMUNICATIONS, INC. - MD 236   2019-04-30   
410-888 4 Waterloo (Washington DC LATA) MD   876D ONVOY, LLC - MD 236   2012-04-05   
410-888 5 Waterloo (Washington DC LATA) MD   9212 VERIZON MARYLAND, INC. 236      
410-888 6 Waterloo (Washington DC LATA) MD   2697 CTC COMMUNICATIONS CORP. - MD 236   2013-11-21   
410-888 7 Waterloo (Washington DC LATA) MD   281E YMAX COMMUNICATIONS CORP. - MD 236   2011-03-15   
410-888 8 Waterloo (Washington DC LATA) MD   9212 VERIZON MARYLAND, INC. 236      
410-888 9 Waterloo (Washington DC LATA) MD   9212 VERIZON MARYLAND, INC. 236      

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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