Barcode prefix 977 — Serial publication (ISSN)
Magazine
This is an ISSN (magazine/journal barcode), not a product barcode.
Magazines and journals, not a retail product.
Prefix 977 is registered with GS1 Serial publication (ISSN)
neighbouring prefixes
A GS1 prefix only shows which organisation the barcode owner is registered with — not necessarily where the product was manufactured. The real place of manufacture is on the physical product's "Made in" label.