Local Calling Guide

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Switch: BLTMMDCH

Switch (link to prefixes) Switch name Company
BLTMMDCH03Z    
BLTMMDCH05Z   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD  
BLTMMDCH06T   9212 VERIZON MARYLAND, INC.  
BLTMMDCH08Z   4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD  
BLTMMDCH12T    
BLTMMDCH13T    
BLTMMDCH13Z    
BLTMMDCH14Z   2697 CTC COMMUNICATIONS CORP. - MD  
BLTMMDCH1DD BALTIMORE CHARLES STREET  9212 VERIZON MARYLAND, INC.  
BLTMMDCH21Z   5966 LIGHTWAVE COMMUNICATIONS, LLC - MD  
BLTMMDCH25Z   8697 BALTIMORE-WASHINGTON TELEPHONE (BWT)  
BLTMMDCH3MD   228C IDT AMERICA CORP - MD  
BLTMMDCH40Z   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC DBA T-MOBILE USA 
BLTMMDCH42Z   876D ONVOY, LLC - MD  
BLTMMDCH45Z   071F BANDWIDTH.COM CLEC, LLC - MD  
BLTMMDCH47Z   420C ARMSTRONG TELECOMMUNICATIONS, INC. - MD  
BLTMMDCH77W    
BLTMMDCHAMD   1958 ATX TELECOMMUNICATIONS SERVICES, LTD  
BLTMMDCHBMD   4749 TELCOVE OPERATIONS, INC. - MD  
BLTMMDCHCM1    
BLTMMDCHCMD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD  
BLTMMDCHDS2 BALTIMORE CHARLES STREET  9212 VERIZON MARYLAND, INC.  
BLTMMDCHDS3 BALTIMORE CHARLES STREET 2  9212 VERIZON MARYLAND, INC.  
BLTMMDCHDS6   7421 AT&T LOCAL  
BLTMMDCHDS7   7421 AT&T LOCAL  
BLTMMDCHGT1    
BLTMMDCHHRQ    
BLTMMDCHI3Z    
BLTMMDCHW29 BALTIMORE CHARLES STREET  4716 PAETEC COMMUNICATIONS, INC. - MD  
BLTMMDCHW99    
BLTMMDCHX5Z    
BLTMMDCHX8Z    
BLTMMDCHX9Z    
BLTMMDCHXEX   7421 AT&T LOCAL  
BLTMMDCHXHY   6664 SPRINT SPECTRUM L.P.  
BLTMMDCHXIZ    
BLTMMDCHXMX    
BLTMMDCHXNX    
BLTMMDCHXOY   6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, L.P. DBA T-MOBILE USA 
BLTMMDCHXPZ    
BLTMMDCHXWY    
BLTMMDCHXZY   8864 BROADWING COMMUNICATIONS. LLC - MD  

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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