Early Church · 16th pope in the Annuario Pontificio list
Callixtus I
- Pontificate
- 218–222(Dates in the first centuries are traditional.)
- Predecessor
- Zephyrinus
- Successor
- Urban I
A short profile for this pope is in preparation.
List: Wikidata (CC0), ordinals per the Annuario Pontificio, retrieved 2026-10-01. Antipopes are not included. For the current pope, see vatican.va.