Ladislav Sutnar – Telephone Numbers on Letterheads

ladislav sutnar telephone numbers  on letterheads

How to show telephone numbers on letterheads – c early 1960s

The idea of a set of parenthesis surrounding the area code in a phone number dates back to the booklet above and Ladislav Sutnar’s design work for AT&T. Aflier has posted scans of this booklet which includes 15 letterheads selected by Sutnar with various options of laying out a 10 digit phone number.

(via the always excellent iso50 blog)

Also worth checking:
Sweets Catalog promo designed by Ladislav Sutnar

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