Local Calling Guide

Area code/prefix search

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Frederick, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
301-748 0 FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-748 1 FRDRMDFR9MD  5562 METROPCS, INC. 240      
301-748 2 FRDRMDFR9MD  5562 METROPCS, INC. 240      
301-748 3 FRDRMDFR9MD  5562 METROPCS, INC. 240      
301-748 4 FRDRMDFR9MD  5562 METROPCS, INC. 240      
301-748 5 FRDRMDFR9MD  5562 METROPCS, INC. 240      
301-748 6 FRDRMDFR9MD  5562 METROPCS, INC. 240      
301-748 7 FRDRMDFR9MD  5562 METROPCS, INC. 240      
301-748 8 FRDRMDFR9MD  5562 METROPCS, INC. 240      
301-748 9 FRDRMDFR9MD  5562 METROPCS, INC. 240      
301-788 A FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240      
301-815 A FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-835 A HGTWMD534MD  197D VONAGE AMERICA LLC 240      
301-835 0 HGTWMD534MD  197D VONAGE AMERICA LLC 240   2019-01-18   
301-835 1 CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2020-11-07   
301-835 2 CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2020-11-07   
301-835 3 FRDRMDFR9MD  5562 METROPCS, INC. 240   2019-11-29   
301-835 4 FRDRMDFRX7X  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240   2019-10-16   
301-835 5 MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2019-03-13   
301-835 6 FRDRMDFRXAX  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 240   2019-04-11   
301-835 7 FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240   2019-03-20   
301-835 8 FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2019-01-19   
301-835 9 FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2019-10-01   
301-846 A FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-846 0 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-846 1 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-846 2 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-846 3 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-846 4 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-846 5 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-846 6 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-846 7 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-846 8 FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2015-10-01   
301-846 9 FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-898 A WLVLMDWLDS0  9212 VERIZON MARYLAND, INC. 240      
301-898 0 WLVLMDWLDS0  9212 VERIZON MARYLAND, INC. 240      
301-898 1 WLVLMDWLDS0  9212 VERIZON MARYLAND, INC. 240      
301-898 2 FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240   2008-08-20   
301-898 3 WLVLMDWLDS0  9212 VERIZON MARYLAND, INC. 240      
301-898 4 WLVLMDWLDS0  9212 VERIZON MARYLAND, INC. 240      
301-898 5 WLVLMDWLDS0  9212 VERIZON MARYLAND, INC. 240      
301-898 6 FRDRMDFR9MD  5562 METROPCS, INC. 240   2015-12-27   
301-898 7 WLVLMDWLDS0  9212 VERIZON MARYLAND, INC. 240      
301-898 8 WLVLMDWLDS0  9212 VERIZON MARYLAND, INC. 240      
301-898 9 WLVLMDWLDS0  9212 VERIZON MARYLAND, INC. 240      

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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