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: 510

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-510 A Fork MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-510 0 Fork MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-510 1 Fork MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-510 2 Fork MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2020-07-08   
410-510 3 Fork MD BLTMMDCH08Z  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 238   2004-02-14   
410-510 4 Fork MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2020-07-08   
410-510 5 Fork MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2004-03-29   
410-510 6 Fork MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2020-07-08   
410-510 7 Fork MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2005-03-10   
410-510 8 Fork MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2022-10-17   
410-510 9 Fork MD   145J TERRA NOVA TELECOM INC. 238   2021-01-27   

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

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