Telephone Carriers in Maryland








A T & T Local Service
410-649-0300
25 S Charles, #2000 Baltimore, MD 21201
MCI Local Access
301-722-0874
117-119 Valley Cumberland, MD 21502
Worldcom
301-846-9264
5714 Industry Lane Frederick, MD 21704
Sprint
301-987-5220
527 Quince Orchard Gaithersburg, MD 20878
United States Cellular
301-739-3900
1403 Dual Highway Hagerstown, MD 21740
GTE
301-294-8400
1700 Research Blvd Rockville, MD 20850
Bell Atlantic
301-989-7306
13101 Columbia Pike Silver Spring, MD 20904






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