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: 706

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-706 A Crisfield MD   829J PAETEC ITEL, LLC 242   2025-04-01   
443-706 0 Crisfield MD SLBRMD906MD  145J TERRA NOVA TELECOM INC. 242   2024-02-15   
443-706 1 Crisfield MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-04-29   
443-706 2 Crisfield MD   829J PAETEC ITEL, LLC 242      
443-706 3 Crisfield MD ESTNMDES5MD  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 242   2009-03-02   
443-706 4 Crisfield MD SLBRMD906MD  145J TERRA NOVA TELECOM INC. 242   2024-10-12   
443-706 7 Crisfield MD SLBRMDSBXUX  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 242   2016-10-10   
443-706 8 Crisfield MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2017-04-13   
443-706 9 Crisfield MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-04-29   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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