diff --git a/apps/web/src/routes/admin/index.tsx b/apps/web/src/routes/admin/index.tsx
index a366ed0..bdaf7d3 100644
--- a/apps/web/src/routes/admin/index.tsx
+++ b/apps/web/src/routes/admin/index.tsx
@@ -30,6 +30,8 @@ type Guest = {
 	lastName: string;
 	email?: string;
 	phone?: string;
+	birthdate?: string;
+	postcode?: string;
 };
 
 function parseGuests(raw: unknown): Guest[] {
@@ -664,6 +666,10 @@ function AdminPage() {
 										Email <SortIcon col="email" />
 									</th>
 									<th className={`${thCls} hidden xl:table-cell`}>Telefoon</th>
+									<th className={`${thCls} hidden xl:table-cell`}>
+										Geboortedatum
+									</th>
+									<th className={`${thCls} hidden xl:table-cell`}>Postcode</th>
 									<th className={thCls} onClick={() => handleSort("type")}>
 										Type <SortIcon col="type" />
 									</th>
@@ -690,7 +696,7 @@ function AdminPage() {
 								{registrationsQuery.isLoading ? (
 									<tr>
 										<td
-											colSpan={12}
+											colSpan={14}
 											className="px-4 py-12 text-center font-mono text-sm text-white/30"
 										>
 											laden...
@@ -699,7 +705,7 @@ function AdminPage() {
 								) : sortedRegistrations.length === 0 ? (
 									<tr>
 										<td
-											colSpan={12}
+											colSpan={14}
 											className="px-4 py-12 text-center font-mono text-sm text-white/30"
 										>
 											Geen registraties gevonden
@@ -757,6 +763,12 @@ function AdminPage() {
 													<td className="hidden px-3 py-3 font-mono text-white/45 text-xs xl:table-cell">
 														{reg.phone || "—"}
 													</td>
+													<td className="hidden px-3 py-3 font-mono text-white/45 text-xs xl:table-cell">
+														{reg.birthdate || "—"}
+													</td>
+													<td className="hidden px-3 py-3 font-mono text-white/45 text-xs xl:table-cell">
+														{reg.postcode || "—"}
+													</td>
 													<td className="px-3 py-3">
 														<span
 															className={`rounded-full px-2 py-0.5 font-mono font-semibold text-[10px] uppercase tracking-wide ${isPerformer ? "bg-amber-400/12 text-amber-300" : "bg-teal-400/12 text-teal-300"}`}
@@ -833,7 +845,7 @@ function AdminPage() {
 														key={`${reg.id}-detail`}
 														className="border-white/5 border-b bg-white/5"
 													>
-														<td colSpan={12} className="px-6 pt-3 pb-5">
+														<td colSpan={14} className="px-6 pt-3 pb-5">
 															<div className="grid gap-4 sm:grid-cols-2">
 																{/* Guests */}
 																{guestCount > 0 && (
@@ -864,6 +876,16 @@ function AdminPage() {
 																							{g.phone}
 																						</span>
 																					)}
+																					{g.birthdate && (
+																						<span className="font-mono text-white/35 text-xs">
+																							{g.birthdate}
+																						</span>
+																					)}
+																					{g.postcode && (
+																						<span className="font-mono text-white/35 text-xs">
+																							{g.postcode}
+																						</span>
+																					)}
 																					{!g.email && !g.phone && (
 																						<span className="font-mono text-white/25 text-xs italic">
 																							geen contactgegevens
@@ -875,7 +897,7 @@ function AdminPage() {
 																	</div>
 																)}
 
-																{/* Notes */}
+																{/* Registrant birthdate + postcode */}
 																{hasNotes && (
 																	<div>
 																		<p className="mb-2 font-mono text-[10px] text-white/40 uppercase tracking-widest">
@@ -980,6 +1002,12 @@ function AdminPage() {
 																{reg.phone}
 															</p>
 														)}
+														{reg.birthdate && (
+															<p className="font-mono text-white/30 text-xs">
+																{reg.birthdate}
+																{reg.postcode && ` · ${reg.postcode}`}
+															</p>
+														)}
 													</div>
 													<div className="flex shrink-0 flex-col items-end gap-1.5">
 														<span
@@ -1067,6 +1095,12 @@ function AdminPage() {
 																{reg.phone}
 															</p>
 														)}
+														{reg.birthdate && (
+															<p className="font-mono text-white/30 text-xs">
+																{reg.birthdate}
+																{reg.postcode && ` · ${reg.postcode}`}
+															</p>
+														)}
 													</div>
 													<div className="flex shrink-0 flex-col items-end gap-1.5">
 														<span
@@ -1157,6 +1191,13 @@ function AdminPage() {
 																			{g.phone}
 																		</p>
 																	)}
+																	{(g.birthdate || g.postcode) && (
+																		<p className="font-mono text-white/30 text-xs">
+																			{g.birthdate}
+																			{g.birthdate && g.postcode && " · "}
+																			{g.postcode}
+																		</p>
+																	)}
 																</div>
 															))}
 														</div>