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 443-937 - UNION BDG, MD (TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD)NPA-NXX-X Location Phone Company 443-937-0XXX UNION BDG, MD CORE COMMUNICATIONS, INC. - MD 443-937-1XXX UNION BDG, MD US LEC OF MARYLAND, INC. 443-937-2XXX UNION BDG, MD 7325-TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD 443-937-3XXX UNION BDG, MD BANDWIDTH.COM CLEC, LLC - MD 443-937-4XXX UNION BDG, MD 7325-TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD 443-937-5XXX UNION BDG, MD BANDWIDTH.COM CLEC, LLC - MD 443-937-6XXX UNION BDG, MD COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 443-937-7XXX UNION BDG, MD 7325-TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD 443-937-8XXX UNION BDG, MD 7325-TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD 443-937-9XXX UNION BDG, MD TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD