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: 888

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 0 Waterloo (Washington DC LATA) MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2021-01-07   
410-888 1 Waterloo (Washington DC LATA) MD LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
410-888 2 Waterloo (Washington DC LATA) MD WASHDCSWFMD  2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-30   
410-888 3 Waterloo (Washington DC LATA) MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2020-03-30   
410-888 4 Waterloo (Washington DC LATA) MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2012-04-05   
410-888 5 Waterloo (Washington DC LATA) MD LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
410-888 6 Waterloo (Washington DC LATA) MD WASHDCMTX7X  2697 CTC COMMUNICATIONS CORP. - MD 236   2013-11-21   
410-888 7 Waterloo (Washington DC LATA) MD WASLDCRGDS0  281E YMAX COMMUNICATIONS CORP. - MD 236   2011-03-15   
410-888 8 Waterloo (Washington DC LATA) MD LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
410-888 9 Waterloo (Washington DC LATA) MD LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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