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: 901

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-901 A Towson MD   829J PAETEC ITEL, LLC 238   2025-04-01   
443-901 0 Towson MD   829J PAETEC ITEL, LLC 238      
443-901 1 Towson MD   829J PAETEC ITEL, LLC 238      
443-901 2 Towson MD   829J PAETEC ITEL, LLC 238      
443-901 3 Towson MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2020-08-09   
443-901 4 Towson MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2020-08-09   
443-901 5 Towson MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2020-08-09   
443-901 6 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2020-06-30   
443-901 7 Towson MD   829J PAETEC ITEL, LLC 238      
443-901 8 Towson MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-05-10   
443-901 9 Towson MD   829J PAETEC ITEL, LLC 238      

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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