469-260-6020 416-730-9181 855-307-3155
716-936-2892 604-708-9173 855-699-7826
438-392-2870 866-233-1787 336-253-8895
Index - Area Code 443 - Maryland Prefix 443-817 - ARGRGBSNIS, MD (ALLEGIANCE TELECOM, INC. - MD)NPA-NXX-X Location Phone Company 443-817-0XXX ARGRGBSNIS, MD ALLEGIANCE TELECOM, INC. - MD 443-817-1XXX ARGRGBSNIS, MD ALLEGIANCE TELECOM, INC. - MD 443-817-2XXX ARGRGBSNIS, MD COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 443-817-3XXX ARGRGBSNIS, MD 8992-ALLEGIANCE TELECOM, INC. - MD 443-817-4XXX ARGRGBSNIS, MD ALLEGIANCE TELECOM, INC. - MD 443-817-5XXX ARGRGBSNIS, MD ALLEGIANCE TELECOM, INC. - MD 443-817-6XXX ARGRGBSNIS, MD ALLEGIANCE TELECOM, INC. - MD 443-817-7XXX ARGRGBSNIS, MD ALLEGIANCE TELECOM, INC. - MD 443-817-8XXX ARGRGBSNIS, MD 8992-ALLEGIANCE TELECOM, INC. - MD 443-817-9XXX ARGRGBSNIS, MD ALLEGIANCE TELECOM, INC. - MD