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.

Trappe, MD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-463 A ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
410-463 0   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
410-463 1   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
410-463 2   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
410-463 3   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
410-463 4   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
410-463 5   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
410-463 6   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
410-463 7   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
410-463 8   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
410-463 9   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
410-476 A TRPPMDTRRS0  9212 VERIZON MARYLAND, INC. 242      
410-476 0   145J TERRA NOVA TELECOM INC. 242      
410-476 1 SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
410-476 2   2593 CORE COMMUNICATIONS, INC.- MD 242      
410-476 3 TRPPMDTRRS0  9212 VERIZON MARYLAND, INC. 242      
410-476 4 TRPPMDTRRS0  9212 VERIZON MARYLAND, INC. 242      
410-476 5 TRPPMDTRRS0  9212 VERIZON MARYLAND, INC. 242      
410-476 6 ESTNMDESMMD  228C IDT AMERICA, CORP. - MD 242      
410-476 7 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
410-476 8 SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
410-476 9 TRPPMDTRRS0  9212 VERIZON MARYLAND, INC. 242      
443-439 A ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-439 0 SLBRMD90DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 242      
443-439 1 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-439 2 SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242      
443-439 3 SLBRMD902MD  073H TELNYX LLC 242      
443-439 4 SLBRMD90DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 242      
443-439 6 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-439 8 SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
443-439 9 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
667-664 A SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-664 0 SLBRMD901MD  939H COMMIO, LLC 242      
667-664 2 SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242      
667-664 4 SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-664 6 SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-664 7 SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-664 9   568G PEERLESS NETWORK OF MARYLAND, LLC 242      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.