Local Calling Guide

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NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]

NXX: 319

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-319 A Columbia MD BLARMDBL1MD  7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 238      
443-319 0 Columbia MD BLARMDBL1MD  7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 238      
443-319 1 Columbia MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-319 2 Columbia MD BLTMMDCHFMD  5562 METROPCS, INC. 238      
443-319 3 Columbia MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-319 4 Columbia MD PIVLMDPKFMD  5966 LIGHTWAVE COMMUNICATIONS, LLC - MD 238      
443-319 5 Columbia MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-319 6 Columbia MD BLARMDBL1MD  7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 238      
443-319 7 Columbia MD BLTMMDCHFMD  5562 METROPCS, INC. 238      
443-319 8 Columbia MD   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-319 9 Columbia MD BLARMDBL1MD  7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 238      

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

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