Tegamibachi was initially serialized in the Monthly Shounen Jump, until the magazine went defunct in June 2007, and moved to newly-launched Jump SQ on November 4. Prior to the launch of Jump SQ, in October, a special chapter, Tegamibachi to Dingo, was published as a one-shot in Weekly Shounen Jump.
Tegamibachi was published in English as Tegami Bachi: Letter Bee by VIZ Media under the Shonen Jump imprint from September 1, 2009 to March 7, 2017. It started serialization in the March 2009 issue of their monthly Shounen Jump anthology. In Europe, the series has been licensed in Italy by Panini Comics under their Planet Manga division, Kana in France, and Planeta DeAgostini in Spain.