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.

Chestertown, MD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-699 A SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2024-02-09   
410-699 0 SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242      
410-699 1 SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242      
410-699 2 SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242      
410-699 3 SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242      
410-699 4 SLBRMDSC2MD  5562 METROPCS, INC. 242      
410-699 5 SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242      
410-699 6 SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242      
410-699 7 SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242      
410-699 8 SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242      
410-699 9   876D ONVOY, LLC - MD 242      
410-708 A ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
410-778 A CHRTMDCHDS0  9212 VERIZON MARYLAND, INC. 242      
410-810 A CHRTMDCHDS0  9212 VERIZON MARYLAND, INC. 242      
410-810 0 CHRTMDCHDS0  9212 VERIZON MARYLAND, INC. 242      
410-810 1 CHRTMDCHDS0  9212 VERIZON MARYLAND, INC. 242      
410-810 2 CHRTMDCHDS0  9212 VERIZON MARYLAND, INC. 242      
410-810 3 CHRTMDCHDS0  9212 VERIZON MARYLAND, INC. 242      
410-810 4 SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
410-810 5 CHRTMDCHDS0  9212 VERIZON MARYLAND, INC. 242      
410-810 6 CHRTMDCHDS0  9212 VERIZON MARYLAND, INC. 242      
410-810 7 CHRTMDCHDS0  9212 VERIZON MARYLAND, INC. 242      
410-810 8 CHRTMDCHDS0  9212 VERIZON MARYLAND, INC. 242      
410-810 9 CHRTMDCHDS0  9212 VERIZON MARYLAND, INC. 242      
443-215 A SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242      
443-282 A SLBRMDSCXMD  5562 METROPCS, INC. 242      
443-282 0 ESTNMDESMMD  228C IDT AMERICA, CORP. - MD 242      
443-282 1 SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242      
443-282 2   876D ONVOY, LLC - MD 242      
443-282 3 ESTNMDES5MD  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 242      
443-282 4 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-282 5 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-282 6   5562 METROPCS, INC. 242      
443-282 7 SLBRMDSCXMD  5562 METROPCS, INC. 242      
443-282 8 SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-282 9 SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
443-480 A ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-480 0 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-480 1 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-480 2 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-480 3 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-480 4 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-480 5 SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-480 6 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-480 7 SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-480 8 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-480 9 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-666 A SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242      
443-666 0 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-666 1 SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242      
443-666 2 SLBRMDSB8MD  2589 US LEC OF MARYLAND, INC. 242      
443-666 3 SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242      
443-666 4 SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-666 5   2593 CORE COMMUNICATIONS, INC.- MD 242      
443-666 6 SLBRMDSBXUX  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 242      
443-666 7 SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-666 8 SLBRMD902MD  073H TELNYX LLC 242      
443-666 9 SLBRMDSC2MD  5562 METROPCS, INC. 242      
667-254 A SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242      
667-254 0   876D ONVOY, LLC - MD 242      
667-254 2 SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242      
667-254 3 SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242      
667-254 4 ESTNMDES5MD  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 242      
667-254 5 SLBRMD901MD  939H COMMIO, LLC 242      
667-254 6 SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242      
667-254 7 SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242      
667-254 8 SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-254 9 SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-319 A SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242      
667-319 0 SLBRMD905MD  197D VONAGE AMERICA LLC 242      
667-319 1   876D ONVOY, LLC - MD 242      
667-319 2 SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-319 3 SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242      
667-319 4 ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
667-319 5 SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-319 8 SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242      
667-319 9 SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.