Local Calling Guide

Area code/prefix search

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

NXX: 971

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-971 A Taneytown MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-971 0 Taneytown MD   073H TELNYX LLC 238   2017-04-26   
443-971 1 Taneytown MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-04-15   
443-971 2 Taneytown MD   145J TERRA NOVA TELECOM INC. 238   2026-01-04   
443-971 3 Taneytown MD   876D ONVOY, LLC - MD 238   2012-10-08   
443-971 4 Taneytown MD   145J TERRA NOVA TELECOM INC. 238   2024-09-13   
443-971 5 Taneytown MD   145J TERRA NOVA TELECOM INC. 238   2025-05-07   
443-971 6 Taneytown MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-07-31   
443-971 7 Taneytown MD   876D ONVOY, LLC - MD 238   2020-06-04   
443-971 8 Taneytown MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-971 9 Taneytown MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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