Local Calling Guide

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

NXX: 840

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-840 A Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-840 0 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-840 1 Catonsville MD CTVLMDCTDS0  9212 VERIZON MARYLAND, INC. 238      
443-840 2 Catonsville MD CTVLMDCTDS0  9212 VERIZON MARYLAND, INC. 238      
443-840 3 Catonsville MD CTVLMDCTDS0  9212 VERIZON MARYLAND, INC. 238      
443-840 4 Catonsville MD CTVLMDCTDS0  9212 VERIZON MARYLAND, INC. 238      
443-840 5 Catonsville MD CTVLMDCTDS0  9212 VERIZON MARYLAND, INC. 238      
443-840 6 Catonsville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-840 7 Catonsville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-840 8 Catonsville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-840 9 Catonsville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      

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

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