diff --git a/src/api/routes/inscriptions.ts b/src/api/routes/inscriptions.ts
index c088b812..fc185a06 100644
--- a/src/api/routes/inscriptions.ts
+++ b/src/api/routes/inscriptions.ts
@@ -25,6 +25,7 @@ import {
   BlockHeightParam,
   TimestampParam,
   OrdinalParam,
+  InscriptionNumberParam,
 } from '../schemas';
 import { handleChainTipCache, handleInscriptionCache } from '../util/cache';
 import {
@@ -75,6 +76,8 @@ const IndexRoutes: FastifyPluginCallback<Record<never, never>, Server, TypeBoxTy
           to_sat_ordinal: Type.Optional(OrdinalParam),
           from_sat_coinbase_height: Type.Optional(BlockHeightParam),
           to_sat_coinbase_height: Type.Optional(BlockHeightParam),
+          from_number: Type.Optional(InscriptionNumberParam),
+          to_number: Type.Optional(InscriptionNumberParam),
           output: Type.Optional(OutputParam),
           address: Type.Optional(AddressParam),
           mime_type: Type.Optional(MimeTypesParam),
@@ -105,6 +108,8 @@ const IndexRoutes: FastifyPluginCallback<Record<never, never>, Server, TypeBoxTy
         to_genesis_timestamp: request.query.to_genesis_timestamp,
         from_sat_ordinal: bigIntParam(request.query.from_sat_ordinal),
         to_sat_ordinal: bigIntParam(request.query.to_sat_ordinal),
+        from_number: request.query.from_number,
+        to_number: request.query.to_number,
         output: request.query.output,
         address: request.query.address,
         mime_type: request.query.mime_type,
diff --git a/src/pg/pg-store.ts b/src/pg/pg-store.ts
index c9e0a5b4..3aab5bd7 100644
--- a/src/pg/pg-store.ts
+++ b/src/pg/pg-store.ts
@@ -165,6 +165,8 @@ export class PgStore extends BasePgStore {
     from_sat_coinbase_height?: number;
     to_sat_coinbase_height?: number;
     number?: number;
+    from_number?: number;
+    to_number?: number;
     address?: string;
     mime_type?: string[];
     output?: string;
@@ -252,6 +254,8 @@ export class PgStore extends BasePgStore {
           args.to_sat_ordinal ? this.sql`AND loc.sat_ordinal <= ${args.to_sat_ordinal}` : this.sql``
         }
         ${args.number ? this.sql`AND i.number = ${args.number}` : this.sql``}
+        ${args.from_number ? this.sql`AND i.number >= ${args.from_number}` : this.sql``}
+        ${args.to_number ? this.sql`AND i.number <= ${args.to_number}` : this.sql``}
         ${args.address ? this.sql`AND loc.address = ${args.address}` : this.sql``}
         ${
           args.mime_type?.length
diff --git a/tests/inscriptions.test.ts b/tests/inscriptions.test.ts
index fcd6dade..dd20fdae 100644
--- a/tests/inscriptions.test.ts
+++ b/tests/inscriptions.test.ts
@@ -704,6 +704,81 @@ describe('/inscriptions', () => {
     expect(responseJson3.results[0].sat_coinbase_height).toBe(650000);
   });
 
+  test('index filtered by inscription number range', async () => {
+    await db.insertInscriptionGenesis({
+      inscription: {
+        genesis_id: '9f4a9b73b0713c5da01c0a47f97c6c001af9028d6bdd9e264dfacbc4e6790201i0',
+        mime_type: 'text/plain',
+        content_type: 'text/plain;charset=utf-8',
+        content_length: 5,
+        number: 7,
+        content: '0x48656C6C6F',
+        fee: 705n,
+      },
+      location: {
+        inscription_id: 0,
+        block_height: 778575,
+        block_hash: '00000000000000000002a90330a99f67e3f01eb2ce070b45930581e82fb7a91d',
+        tx_id: '9f4a9b73b0713c5da01c0a47f97c6c001af9028d6bdd9e264dfacbc4e6790201',
+        address: 'bc1pscktlmn99gyzlvymvrezh6vwd0l4kg06tg5rvssw0czg8873gz5sdkteqj',
+        output: '9f4a9b73b0713c5da01c0a47f97c6c001af9028d6bdd9e264dfacbc4e6790201:0',
+        offset: 0n,
+        value: 10000n,
+        timestamp: 1677731361,
+        sat_ordinal: 257418248345364n,
+        sat_rarity: 'common',
+        sat_coinbase_height: 650000,
+        genesis: true,
+        current: true,
+      },
+    });
+    await db.insertInscriptionGenesis({
+      inscription: {
+        genesis_id: '38c46a8bf7ec90bc7f6b797e7dc84baa97f4e5fd4286b92fe1b50176d03b18dci0',
+        mime_type: 'image/png',
+        content_type: 'image/png',
+        content_length: 5,
+        number: 50,
+        content: '0x48656C6C6F',
+        fee: 2805n,
+      },
+      location: {
+        inscription_id: 0,
+        block_height: 775617,
+        block_hash: '00000000000000000002a90330a99f67e3f01eb2ce070b45930581e82fb7a91d',
+        tx_id: '38c46a8bf7ec90bc7f6b797e7dc84baa97f4e5fd4286b92fe1b50176d03b18dc',
+        address: 'bc1p3cyx5e2hgh53w7kpxcvm8s4kkega9gv5wfw7c4qxsvxl0u8x834qf0u2td',
+        output: '38c46a8bf7ec90bc7f6b797e7dc84baa97f4e5fd4286b92fe1b50176d03b18dc:0',
+        offset: 0n,
+        value: 10000n,
+        timestamp: 1675312161,
+        sat_ordinal: 1000000000000n,
+        sat_rarity: 'epic',
+        sat_coinbase_height: 750000,
+        genesis: true,
+        current: true,
+      },
+    });
+
+    const response2 = await fastify.inject({
+      method: 'GET',
+      url: '/ordinals/v1/inscriptions?from_number=10',
+    });
+    expect(response2.statusCode).toBe(200);
+    const responseJson2 = response2.json();
+    expect(responseJson2.total).toBe(1);
+    expect(responseJson2.results[0].number).toBe(50);
+
+    const response3 = await fastify.inject({
+      method: 'GET',
+      url: '/ordinals/v1/inscriptions?to_number=10',
+    });
+    expect(response3.statusCode).toBe(200);
+    const responseJson3 = response3.json();
+    expect(responseJson3.total).toBe(1);
+    expect(responseJson3.results[0].number).toBe(7);
+  });
+
   test('index filtered by output', async () => {
     await db.insertInscriptionGenesis({
       inscription: {