For international numbers in E.164 format, Amazon Connect automatically prepends the + country-code prefix in the Set callback number block, so the + does not need to be included when the number is passed as an attribute.

Checked 2026-09-30

Vendor
Amazon Web Services
Product
Amazon Connect
Subsystem
flows
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-30
Checked
2026-09-30

Sources

Cite this note

APA

WarmTransfer. (2026, September 30). Setting up queued callbacks in Amazon Connect: source note amazon-connect-callback-setup-e164-plus-prepended. WarmTransfer. https://warmtransfer.net/knowledge/claims/amazon-connect-callback-setup-e164-plus-prepended

BibTeX

@misc{warmtransfer-claim-amazon-connect-callback-setup-e164-plus-prepended,
  title  = {Setting up queued callbacks in Amazon Connect: source note amazon-connect-callback-setup-e164-plus-prepended},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/amazon-connect-callback-setup-e164-plus-prepended},
  note   = {Source note amazon-connect-callback-setup-e164-plus-prepended, checked 2026-09-30}
}

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