Central Office Codes > 301-968
| Operating Company: | MCI WORLDCOM COMMUNICATIONS, INC. - MD |
|---|---|
| Location: | WSHNGTNZN2, MD |
Phone Numbers
3019687596 3019687670
| Operating Company: | MCI WORLDCOM COMMUNICATIONS, INC. - MD |
|---|---|
| Location: | WSHNGTNZN2, MD |
3019687596 3019687670