Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Deal Island, MD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-784 A DLISMDDLRS0  9212 VERIZON MARYLAND, INC. 242      
410-784 0   2593 CORE COMMUNICATIONS, INC.- MD 242      
410-784 1   145J TERRA NOVA TELECOM INC. 242      
410-784 2 DLISMDDLRS0  9212 VERIZON MARYLAND, INC. 242      
410-784 4 SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
410-784 7 SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242      
410-784 8 SLBRMD902MD  073H TELNYX LLC 242      
410-784 9 SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242      
667-483 A SLBRMD90BMD  516J TON80 COMMUNICATIONS, LLC 242      
667-483 7 SLBRMD90BMD  516J TON80 COMMUNICATIONS, LLC 242      
667-843 A ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242      
667-843 0   2593 CORE COMMUNICATIONS, INC.- MD 242      
667-843 1   2593 CORE COMMUNICATIONS, INC.- MD 242      
667-843 2 SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-843 3 SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-843 4 SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-843 5 SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-843 7 SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-843 8   2593 CORE COMMUNICATIONS, INC.- MD 242      
667-843 9 SLBRMDSBXVX  876D ONVOY, LLC - MD 242      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.