Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]

NXX: 747

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-747 A Port Deposit MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
443-747 0 Port Deposit MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
443-747 1 Port Deposit MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-747 2 Port Deposit MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-747 3 Port Deposit MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
443-747 4 Port Deposit MD BLTMMDCH3MD  228C IDT AMERICA, CORP. - MD 238      
443-747 5 Port Deposit MD BLTMMDCH25Z  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238      
443-747 6 Port Deposit MD BLTMMDCHXVX  321J HD CARRIER LLC 238      
443-747 7 Port Deposit MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-747 8 Port Deposit MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238      
443-747 9 Port Deposit MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238      

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

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