443-914 |
Baltimore |
Reisterstown, MD |
Teleport Communications America |
443-915 |
Baltimore City |
Baltimore, MD |
Cellco Partnership DBA Verizon Wireless |
443-916 |
Baltimore City |
Baltimore, MD |
Sprint Spectrum L.p. |
443-917 |
Howard |
Columbia, MD |
Broadvox-clec |
443-918 |
Carroll |
Taneytown, MD |
Teleport Communications America |
443-919 |
Baltimore City |
Baltimore, MD |
Cavalier Telephone Mid-atlantic |
443-920 |
Carroll |
Sykesville, MD |
Teleport Communications America |
443-921 |
Baltimore City |
Baltimore, MD |
Paetec Communications |
443-922 |
Harford |
Edgewood, MD |
Atx Telecommunications Services, Ltd |
443-923 |
Baltimore City |
Baltimore, MD |
Cavalier Telephone Mid-atlantic |
443-924 |
Anne Arundel |
Annapolis, MD |
Cellco Partnership DBA Verizon Wireless |
443-925 |
Baltimore City |
Baltimore, MD |
Omnipoint Communications Cap Operations |
443-926 |
Anne Arundel |
Annapolis, MD |
Broadwing Communications. LLC |
443-927 |
Baltimore City |
Baltimore, MD |
Broadwing Communications. LLC |
443-928 |
Baltimore City |
Baltimore, MD |
Cellco Partnership DBA Verizon Wireless |
443-929 |
Baltimore |
Pikesville, MD |
Omnipoint Communications Cap Operations |
443-930 |
Baltimore City |
Baltimore, MD |
Cellco Partnership DBA Verizon Wireless |
443-931 |
Baltimore City |
Baltimore, MD |
Mci Worldcom Communications |
443-932 |
Baltimore City |
Baltimore, MD |
Sprint Spectrum L.p. |
443-933 |
Baltimore |
Cockeysville, MD |
Teleport Communications America |