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.

Frostburg, MD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
240-284 A FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-284 0 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240      
240-284 1 CMLDMDCH0MD  228C IDT AMERICA, CORP. - MD 240      
240-284 2 FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240      
240-284 3 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240      
240-284 4 FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-284 5 FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-284 6 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240      
240-284 7 FRDRMDFRXAX  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 240      
240-284 8 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240      
240-284 9 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240      
240-657 A FRDRMDFRX7X  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240      
240-657 0 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240      
240-657 1 CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-657 2 CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-657 3 FRDRMDFRX7X  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240      
240-657 4   2593 CORE COMMUNICATIONS, INC.- MD 240      
240-657 5   2593 CORE COMMUNICATIONS, INC.- MD 240      
240-657 6   2593 CORE COMMUNICATIONS, INC.- MD 240      
240-657 7 FRDRMDFRXKX  508J CENTURYLINK COMMUNICATIONS, LLC 240      
240-657 8 CMLDMDCM2MD  836G SHENTEL COMMUNICATIONS, LLC. - MD 240      
240-657 9 HGTWMD530MD  073H TELNYX LLC 240      
240-824 A CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-824 0 CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-824 1 CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-824 2 CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-824 3 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240      
240-824 4 CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-824 5 CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-824 6 CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-824 7 HGTWMD53EMD  516J TON80 COMMUNICATIONS, LLC 240      
240-824 8 FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240      
240-824 9 FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240      
240-943 A FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240      
240-943 0 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240      
240-943 2 FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240      
301-687 A FSBGMDFSDS0  9212 VERIZON MARYLAND, INC. 240      
301-687 0 FSBGMDFSDS0  9212 VERIZON MARYLAND, INC. 240      
301-687 1 FSBGMDFSDS0  9212 VERIZON MARYLAND, INC. 240      
301-687 2 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240      
301-687 3 FSBGMDFSDS0  9212 VERIZON MARYLAND, INC. 240      
301-687 4 FSBGMDFSDS0  9212 VERIZON MARYLAND, INC. 240      
301-687 5 FSBGMDFSDS0  9212 VERIZON MARYLAND, INC. 240      
301-687 6 FRDRMDFRX7X  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240      
301-687 7 FSBGMDFSDS0  9212 VERIZON MARYLAND, INC. 240      
301-687 8 MRBGWVBUHPA  4095 FIBERNET, LLC - WV 240      
301-689 A FSBGMDFSDS0  9212 VERIZON MARYLAND, INC. 240      
301-689 0 FSBGMDFSDS0  9212 VERIZON MARYLAND, INC. 240      
301-689 1 FSBGMDFSDS0  9212 VERIZON MARYLAND, INC. 240      
301-689 2 FSBGMDFSDS0  9212 VERIZON MARYLAND, INC. 240      
301-689 3 FSBGMDFSDS0  9212 VERIZON MARYLAND, INC. 240      
301-689 4   2593 CORE COMMUNICATIONS, INC.- MD 240      
301-689 5 FSBGMDFSDS0  9212 VERIZON MARYLAND, INC. 240      
301-689 6 FSBGMDFSDS0  9212 VERIZON MARYLAND, INC. 240      
301-689 7 FSBGMDFSDS0  9212 VERIZON MARYLAND, INC. 240      
301-689 8 FSBGMDFSDS0  9212 VERIZON MARYLAND, INC. 240      
301-689 9 FSBGMDFSDS0  9212 VERIZON MARYLAND, INC. 240      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.