The ZIP Code 6400 belongs to 8 zones en Argentina
| Province | Town | Código Postal | CPA | Phone Code |
|---|---|---|---|---|
| Buenos Aires | Barrio Indio Trompa | 6400 | B6400XAA | |
| Buenos Aires | La Zanja | 6400 | B6400XAB | |
| Buenos Aires | Laguna Redonda | 6400 | B6400XAC | |
| Buenos Aires | Las Guasquitas | 6400 | B6400XAD | |
| Buenos Aires | Lertora | 6400 | B6400XAE | |
| Buenos Aires | Mari Lauquen | 6400 | B6400XAG | |
| Buenos Aires | Martin Fierro | 6400 | B6400XAF | |
| Buenos Aires | Trenque Lauquen | 6400 | Search CPA | 2392 |
Argentina phone code is +54. The associated local area phone codes are 2392.
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