Local Calling Guide

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Switch: FRDRMDFR

Switch (link to prefixes) Switch name Company
FRDRMDFR07T FREDERICK   
FRDRMDFR6MD    
FRDRMDFR9MD    
FRDRMDFRAMD    
FRDRMDFRCMD    
FRDRMDFRDS0 FREDERICK  9212 VERIZON MARYLAND, INC. 
FRDRMDFRDS1 FREDERICK 2  9212 VERIZON MARYLAND, INC. 
FRDRMDFRIMD   551G NUSO, LLC 
FRDRMDFRKMD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 
FRDRMDFRKMD   5562 METROPCS, INC. 
FRDRMDFRNMD    
FRDRMDFRPMD    
FRDRMDFRPS0 FREDERICK  2593 CORE COMMUNICATIONS, INC.- MD 
FRDRMDFRPS0 FREDERICK  5833 CORETEL WEST VIRGINIA, INC. - WV 
FRDRMDFRX2Y   7421 AT&T - LOCAL 
FRDRMDFRX7X   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 
FRDRMDFRX7X   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 
FRDRMDFRX9X    
FRDRMDFRXAX   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 
FRDRMDFRXAX   077G TELEPORT COMMUNICATIONS AMERICA, LLC - WV 
FRDRMDFRXGX    
FRDRMDFRXHX    
FRDRMDFRXKX   508J CENTURYLINK COMMUNICATIONS, LLC 
FRDRMDFRXMD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 
FRDRMDFRXMD   9944 LEVEL 3 COMMUNICATIONS, LLC - WV 
FRDRMDFRXMD   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 
FRDRMDFRXOX   073H TELNYX LLC 
FRDRMDFRXPX   624H ONVOY SPECTRUM, LLC 
FRDRMDFRXQX   836G SHENTEL COMMUNICATIONS, LLC. - MD 
FRDRMDFRXSX   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 
FRDRMDFRXSX   6394 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WV 
FRDRMDFRXTX   318J COMCAST IP PHONE, LLC 
FRDRMDFRXUX   478J NUSO, LLC 
FRDRMDFRXVX   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 
FRDRMDFRY0X    

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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