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N-643 Application for Certificate of Citizenship on Behalf for an Adopted Child

Application for recognition of U.S. citizenship on behalf of an adopted child

USCIS form page Check official case estimates
Quarterly and historical sources

Sources checked Nov 2, 2026.

Latest official release Not published.

2026 Q3

Latest quarterly statistics

April 1, 2026 - June 30, 2026

Open USCIS workbook

The latest all-forms workbook does not publish a row for this form.

Archived office coverage

5 mapped centers

NSC · Nebraska Service CenterESC · Vermont Service CenterCSC · California Service CenterSSC · Texas Service CenterNBC · National Benefits Center
Official USCIS reports

Recent source documents for N-643

No form-specific report is currently indexed from the USCIS RSS feed.

Legacy cached estimates

March 2022 office snapshots

These values are retained only for historical context and are not current processing estimates.

California Service Center

Published Jan 22, 2021

1 entries
  • Application for recognition of U.S. citizenship on behalf of an adopted child427.5-329 monthsService request date June 27, 1985

National Benefits Center

Published Jan 22, 2021

1 entries
  • Application for recognition of U.S. citizenship on behalf of an adopted child427.5-329 monthsService request date June 27, 1985

Nebraska Service Center

Published Jan 22, 2021

1 entries
  • Application for recognition of U.S. citizenship on behalf of an adopted child427.5-329 monthsService request date June 27, 1985

Texas Service Center

Published Jan 22, 2021

1 entries
  • Application for recognition of U.S. citizenship on behalf of an adopted child427.5-329 monthsService request date June 27, 1985

Vermont Service Center

Published Jan 22, 2021

1 entries
  • Application for recognition of U.S. citizenship on behalf of an adopted child427.5-329 monthsService request date June 27, 1985
Data notes

How to read this page

  • Current processing-time estimates in the local snapshot come from cached USCIS API responses published on March 29, 2022. They are included only as legacy context; the primary up-to-date source is the USCIS Immigration and Citizenship Data RSS feed and linked quarterly workbooks.
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Category Other
Latest quarter pending 607.7K
Quarter processing time 0–14.6 months