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.

Ocean City, MD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-213 A WOCYMDBARS0  9212 VERIZON MARYLAND, INC. 242      
410-213 0 WOCYMDBARS0  9212 VERIZON MARYLAND, INC. 242      
410-213 1 WOCYMDBARS0  9212 VERIZON MARYLAND, INC. 242      
410-213 2 WOCYMDBARS0  9212 VERIZON MARYLAND, INC. 242      
410-213 3 SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
410-213 4 SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242      
410-213 5 ESTNMDES5MD  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 242      
410-213 6   145J TERRA NOVA TELECOM INC. 242      
410-213 7 WOCYMDBARS0  9212 VERIZON MARYLAND, INC. 242      
410-213 8 WOCYMDBARS0  9212 VERIZON MARYLAND, INC. 242      
410-213 9 WOCYMDBARS0  9212 VERIZON MARYLAND, INC. 242      
410-250 A OCCYMDMBRS1  9212 VERIZON MARYLAND, INC. 242      
410-289 A OCCYMDOCRS0  9212 VERIZON MARYLAND, INC. 242      
410-390 A SLBRMDSBXUX  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 242      
410-390 0 SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
410-390 1 SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
410-390 2 SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
410-390 3 SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242      
410-390 4 SLBRMDSB8MD  2589 US LEC OF MARYLAND, INC. 242      
410-390 5 SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242      
410-390 6 SLBRMDSBXUX  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 242      
410-390 7 SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242      
410-390 8 SLBRMDSC9MD  281E YMAX COMMUNICATIONS CORP. - MD 242      
410-390 9 SLBRMDSC9MD  281E YMAX COMMUNICATIONS CORP. - MD 242      
410-520 A OCCYMDONDS0  9212 VERIZON MARYLAND, INC. 242      
410-520 0 OCCYMDONDS0  9212 VERIZON MARYLAND, INC. 242      
410-520 1   876D ONVOY, LLC - MD 242      
410-520 2 OCCYMDONDS0  9212 VERIZON MARYLAND, INC. 242      
410-520 3   876D ONVOY, LLC - MD 242      
410-520 4   2593 CORE COMMUNICATIONS, INC.- MD 242      
410-520 5 OCCYMDONDS0  9212 VERIZON MARYLAND, INC. 242      
410-520 6 OCCYMDONDS0  9212 VERIZON MARYLAND, INC. 242      
410-520 7 OCCYMDONDS0  9212 VERIZON MARYLAND, INC. 242      
410-520 8 OCCYMDONDS0  9212 VERIZON MARYLAND, INC. 242      
410-520 9 OCCYMDONDS0  9212 VERIZON MARYLAND, INC. 242      
410-524 A OCCYMDONDS0  9212 VERIZON MARYLAND, INC. 242      
410-723 A OCCYMDONDS0  9212 VERIZON MARYLAND, INC. 242      
443-373 A   5562 METROPCS, INC. 242      
443-373 0 SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
443-373 1 SLBRMDSCXMD  5562 METROPCS, INC. 242      
443-373 2 SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242      
443-373 3 SLBRMDSCXMD  5562 METROPCS, INC. 242      
443-373 4 SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242      
443-373 5   876D ONVOY, LLC - MD 242      
443-373 6 SLBRMD906MD  145J TERRA NOVA TELECOM INC. 242      
443-373 7 SLBRMDSCXMD  5562 METROPCS, INC. 242      
443-373 8 SLBRMDSCXMD  5562 METROPCS, INC. 242      
443-373 9   5562 METROPCS, INC. 242      
443-664 A SLBRMDSBX6Y  7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 242      
443-664 0 SLBRMDSBX6Y  7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 242      
443-664 1 SLBRMDSBX6Y  7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 242      
443-664 2 SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242      
443-664 3 SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
443-664 4 SLBRMDSBX6Y  7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 242      
443-664 5 SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242      
443-664 6 SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242      
443-664 7 SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242      
443-664 8 SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242      
443-664 9 SLBRMDSBX6Y  7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 242      
443-856 A SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242      
443-856 0 SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-856 1 ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242      
443-856 2 SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242      
443-856 3 SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-856 4 SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242      
443-856 5 SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-856 6 SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242      
443-856 7 SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-856 8 SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-856 9 SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
667-497 A   7421 AT&T - LOCAL 242   2024-12-23   
667-497 9   7421 AT&T - LOCAL 242      
667-663 A SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-663 0 SLBRMD901MD  939H COMMIO, LLC 242      
667-663 1 SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242      
667-663 2 SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242      
667-663 3 SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-663 4   876D ONVOY, LLC - MD 242      
667-663 5 SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242      
667-663 6 SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-663 7 SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-663 8 SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242      
667-663 9 SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.