Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym ISTD is...

ISTD is

  • International Subscriber Trunk Dialing

More Meanings For ISTD:

  • International Subscriber Trunk Dialing
  • International Society of Typographic Designers
  • Imperial Society of Teachers of Dancing

ISTD is also in:

Acronym Definition Searched: WVDA FQI NOPS NSD OST JPC WDH ACRV BRE SOS CJ SRD IAM 76N MOB