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: 556

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-556 A Church Hill MD CHRTMDCHDS0  9212 VERIZON MARYLAND, INC. 242      
410-556 0 Church Hill MD   2593 CORE COMMUNICATIONS, INC.- MD 242      
410-556 2 Church Hill MD ESTNMDESMMD  228C IDT AMERICA, CORP. - MD 242      
410-556 5 Church Hill MD   145J TERRA NOVA TELECOM INC. 242      
410-556 6 Church Hill MD CHRTMDCHDS0  9212 VERIZON MARYLAND, INC. 242      
410-556 7 Church Hill MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
410-556 8 Church Hill MD SLBRMD902MD  073H TELNYX LLC 242      
410-556 9 Church Hill MD CHRTMDCHDS0  9212 VERIZON MARYLAND, INC. 242      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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