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ISSN Number Checker

ISSN numbers consist of 8 digits. To check validity of an ISSN number enter the 8 digit ISSN number in the box below. You may also enter one ISSN with hyphen, e.g. 4073-5516

ISSN Number

You are validating the ISSN 6656-1590

Totally 11 possible ISSN for your checking

But only one with Right is correct

  1. ISSN 6656-1590 Correct ISSN
  2. ISSN 6656-1591 Wrong ISSN
  3. ISSN 6656-1592 Wrong ISSN
  4. ISSN 6656-1593 Wrong ISSN
  5. ISSN 6656-1594 Wrong ISSN
  6. ISSN 6656-1595 Wrong ISSN
  7. ISSN 6656-1596 Wrong ISSN
  8. ISSN 6656-1597 Wrong ISSN
  9. ISSN 6656-1598 Wrong ISSN
  10. ISSN 6656-1599 Wrong ISSN
  11. ISSN 6656-159X Wrong ISSN

What is ISSN?

ISSN is a worldwide identification code used by publishers, suppliers, libraries, information services, bar coding systems, union catalogues, etc. for citation and retrieval of serials such as Journals, Newspapers, Newsletters, Directories, Yearbooks, Annual Reports & Monograph series, etc. The benefits include international publicity and recognition of the serial by automatic inclusion in the International Serials Directory Database.

It is an eight digit number consisting of seven digits plus a check digit which enables a computer to recognise when the number is incorrectly cited. The check digit may be an X, otherwise the ISSN is fully numeric.