When dialing a DSN amount from the America installation to a different U.s. installation, it can be pointless to dial the DSN 312 spot code. When dialing a DSN quantity to/from overseas destinations, the DSN spot code need to be bundled. The operator may be attained at industrial (719) 567-1110. http://riverwmltc.amoblog.com/not-known-details-about-assignment-33528305