Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Smith Island, MD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-425 A SMISMDSIRS0  9212 VERIZON MARYLAND, INC. 242      
410-425 0   2593 CORE COMMUNICATIONS, INC.- MD 242   2004-04-03   
410-425 1 SLBRMD902MD  073H TELNYX LLC 242   2017-09-13   
410-425 2 SMISMDSIRS0  9212 VERIZON MARYLAND, INC. 242      
410-425 3 SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-02-26   
410-425 4 SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-02-26   
410-425 7 SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2017-04-14   
410-425 9   145J TERRA NOVA TELECOM INC. 242   2024-02-14   
667-662 A SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-662 0 SLBRMDSBWMD  073H TELNYX LLC 242   2023-05-01   
667-662 1 SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2020-08-09   
667-662 2 SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2020-08-09   
667-662 4 SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-662 6 SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-12-11   
667-662 7 SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-12-11   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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