Port 220 — imap3

Well-known port 220 (tcp/udp): Interactive Mail Access Protocol v3. Service name: imap3.

port kind port status standard verification verified tier A iana-registry-row@1

registry record

value: 220

Service Name	imap3
Port Number	220
Transport Protocol	tcp
Description	Interactive Mail Access Protocol v3
Assignee	[James_Rice]
Contact	[James_Rice]
Registration Date
Modification Date
Reference
Service Code
Unauthorized Use Reported
Assignment Notes

source: https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.csv
version: IANA registry, Last-Modified: Fri, 29 May 2026 01:11:28 GMT
retrieved: 2026-05-29 · updated: 2026-05-29

agent: curl -H 'accept: application/json' wire.phall.io/port/220 or /port/220.json