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Family name Numpaya (Numpaya ) , worldwide, is a very rare cognomen. The last name Numpaya is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Numpaya | Thailand |
Kun, Amnuay, Apisit, Sirilak, Montharika, and Watcharapol