diff --git a/packages/ui/src/elements/WhereBuilder/Condition/Date/index.tsx b/packages/ui/src/elements/WhereBuilder/Condition/Date/index.tsx
index 53796c549..bd9a09fe8 100644
--- a/packages/ui/src/elements/WhereBuilder/Condition/Date/index.tsx
+++ b/packages/ui/src/elements/WhereBuilder/Condition/Date/index.tsx
@@ -1,7 +1,7 @@
 'use client'
 import React from 'react'
 
-import type { Props } from './types.js'
+import type { DateFilterProps as Props } from './types.js'
 
 import { DatePickerField } from '../../../DatePicker/index.js'
 
diff --git a/packages/ui/src/elements/WhereBuilder/Condition/Date/types.ts b/packages/ui/src/elements/WhereBuilder/Condition/Date/types.ts
index 84406b706..8175e9534 100644
--- a/packages/ui/src/elements/WhereBuilder/Condition/Date/types.ts
+++ b/packages/ui/src/elements/WhereBuilder/Condition/Date/types.ts
@@ -2,7 +2,7 @@ import type { DateFieldClient } from 'payload'
 
 import type { DefaultFilterProps } from '../types.js'
 
-export type Props = {
+export type DateFilterProps = {
   readonly field: DateFieldClient
   readonly value: Date | string
 } & DefaultFilterProps
diff --git a/packages/ui/src/elements/WhereBuilder/Condition/DefaultFilter/index.tsx b/packages/ui/src/elements/WhereBuilder/Condition/DefaultFilter/index.tsx
index bd2b3f216..e939e475a 100644
--- a/packages/ui/src/elements/WhereBuilder/Condition/DefaultFilter/index.tsx
+++ b/packages/ui/src/elements/WhereBuilder/Condition/DefaultFilter/index.tsx
@@ -8,7 +8,7 @@ import type {
 
 import React from 'react'
 
-import type { ReducedField } from '../../types.js'
+import type { ReducedField, Value } from '../../types.js'
 
 import { DateFilter } from '../Date/index.js'
 import { NumberFilter } from '../Number/index.js'
@@ -24,7 +24,7 @@ type Props = {
   onChange: React.Dispatch<React.SetStateAction<string>>
   operator: Operator
   options: Option[]
-  value: string
+  value: Value
 }
 
 export const DefaultFilter: React.FC<Props> = ({
@@ -46,7 +46,7 @@ export const DefaultFilter: React.FC<Props> = ({
         onChange={onChange}
         operator={operator}
         options={options}
-        value={value}
+        value={value as string}
       />
     )
   }
@@ -59,7 +59,7 @@ export const DefaultFilter: React.FC<Props> = ({
           field={internalField.field}
           onChange={onChange}
           operator={operator}
-          value={value}
+          value={value as Date | string}
         />
       )
     }
@@ -71,7 +71,7 @@ export const DefaultFilter: React.FC<Props> = ({
           field={internalField.field}
           onChange={onChange}
           operator={operator}
-          value={value}
+          value={value as number | number[]}
         />
       )
     }
@@ -96,7 +96,7 @@ export const DefaultFilter: React.FC<Props> = ({
           field={internalField?.field as TextFieldClient}
           onChange={onChange}
           operator={operator}
-          value={value}
+          value={value as string}
         />
       )
     }
diff --git a/packages/ui/src/elements/WhereBuilder/Condition/Number/index.tsx b/packages/ui/src/elements/WhereBuilder/Condition/Number/index.tsx
index 6dba4f3bc..a6ba00f4a 100644
--- a/packages/ui/src/elements/WhereBuilder/Condition/Number/index.tsx
+++ b/packages/ui/src/elements/WhereBuilder/Condition/Number/index.tsx
@@ -1,24 +1,89 @@
 'use client'
 import React from 'react'
 
-import type { Props } from './types.js'
+import type { NumberFilterProps as Props } from './types.js'
 
 import { useTranslation } from '../../../../providers/Translation/index.js'
+import { ReactSelect } from '../../../ReactSelect/index.js'
 import './index.scss'
 
 const baseClass = 'condition-value-number'
 
-export const NumberFilter: React.FC<Props> = ({ disabled, onChange, value }) => {
+export const NumberFilter: React.FC<Props> = (props) => {
+  const {
+    disabled,
+    field: { hasMany },
+    onChange,
+    operator,
+    value,
+  } = props
+
   const { t } = useTranslation()
 
-  return (
+  const isMulti = ['in', 'not_in'].includes(operator) || hasMany
+
+  const [valueToRender, setValueToRender] = React.useState<
+    { id: string; label: string; value: { value: number } }[]
+  >([])
+
+  const onSelect = React.useCallback(
+    (selectedOption) => {
+      let newValue
+      if (!selectedOption) {
+        newValue = []
+      } else if (isMulti) {
+        if (Array.isArray(selectedOption)) {
+          newValue = selectedOption.map((option) => Number(option.value?.value || option.value))
+        } else {
+          newValue = [Number(selectedOption.value?.value || selectedOption.value)]
+        }
+      }
+
+      onChange(newValue)
+    },
+    [isMulti, onChange],
+  )
+
+  React.useEffect(() => {
+    if (Array.isArray(value)) {
+      setValueToRender(
+        value.map((val, index) => {
+          return {
+            id: `${val}${index}`, // append index to avoid duplicate keys but allow duplicate numbers
+            label: `${val}`,
+            value: {
+              toString: () => `${val}${index}`,
+              value: (val as any)?.value || val,
+            },
+          }
+        }),
+      )
+    } else {
+      setValueToRender([])
+    }
+  }, [value])
+
+  return isMulti ? (
+    <ReactSelect
+      disabled={disabled}
+      isClearable
+      isCreatable
+      isMulti={isMulti}
+      isSortable
+      numberOnly
+      onChange={onSelect}
+      options={[]}
+      placeholder={t('general:enterAValue')}
+      value={valueToRender || []}
+    />
+  ) : (
     <input
       className={baseClass}
       disabled={disabled}
       onChange={(e) => onChange(e.target.value)}
       placeholder={t('general:enterAValue')}
       type="number"
-      value={value}
+      value={value as number}
     />
   )
 }
diff --git a/packages/ui/src/elements/WhereBuilder/Condition/Number/types.ts b/packages/ui/src/elements/WhereBuilder/Condition/Number/types.ts
index 96f9053bc..9c57459f1 100644
--- a/packages/ui/src/elements/WhereBuilder/Condition/Number/types.ts
+++ b/packages/ui/src/elements/WhereBuilder/Condition/Number/types.ts
@@ -2,8 +2,8 @@ import type { NumberFieldClient } from 'payload'
 
 import type { DefaultFilterProps } from '../types.js'
 
-export type Props = {
+export type NumberFilterProps = {
   readonly field: NumberFieldClient
   readonly onChange: (e: string) => void
-  readonly value: string
+  readonly value: number | number[]
 } & DefaultFilterProps
diff --git a/packages/ui/src/elements/WhereBuilder/Condition/Relationship/index.tsx b/packages/ui/src/elements/WhereBuilder/Condition/Relationship/index.tsx
index 2cca0b06e..cd5e1ea22 100644
--- a/packages/ui/src/elements/WhereBuilder/Condition/Relationship/index.tsx
+++ b/packages/ui/src/elements/WhereBuilder/Condition/Relationship/index.tsx
@@ -5,7 +5,7 @@ import * as qs from 'qs-esm'
 import React, { useCallback, useEffect, useReducer, useState } from 'react'
 
 import type { Option } from '../../../ReactSelect/types.js'
-import type { Props, ValueWithRelation } from './types.js'
+import type { RelationshipFilterProps as Props, ValueWithRelation } from './types.js'
 
 import { useDebounce } from '../../../../hooks/useDebounce.js'
 import { useEffectEvent } from '../../../../hooks/useEffectEvent.js'
diff --git a/packages/ui/src/elements/WhereBuilder/Condition/Relationship/types.ts b/packages/ui/src/elements/WhereBuilder/Condition/Relationship/types.ts
index ac164577b..a49a115a4 100644
--- a/packages/ui/src/elements/WhereBuilder/Condition/Relationship/types.ts
+++ b/packages/ui/src/elements/WhereBuilder/Condition/Relationship/types.ts
@@ -8,7 +8,7 @@ import type {
 
 import type { DefaultFilterProps } from '../types.js'
 
-export type Props = {
+export type RelationshipFilterProps = {
   readonly field: RelationshipFieldClient
   readonly filterOptions: ResolvedFilterOptions
 } & DefaultFilterProps
diff --git a/packages/ui/src/elements/WhereBuilder/Condition/Select/index.tsx b/packages/ui/src/elements/WhereBuilder/Condition/Select/index.tsx
index 3757714e9..c9b1ebf0b 100644
--- a/packages/ui/src/elements/WhereBuilder/Condition/Select/index.tsx
+++ b/packages/ui/src/elements/WhereBuilder/Condition/Select/index.tsx
@@ -3,7 +3,7 @@
 import { getTranslation } from '@payloadcms/translations'
 import React from 'react'
 
-import type { Props } from './types.js'
+import type { SelectFilterProps as Props } from './types.js'
 
 import { useTranslation } from '../../../../providers/Translation/index.js'
 import { ReactSelect } from '../../../ReactSelect/index.js'
diff --git a/packages/ui/src/elements/WhereBuilder/Condition/Select/types.ts b/packages/ui/src/elements/WhereBuilder/Condition/Select/types.ts
index cf82c02f1..27c34b3f5 100644
--- a/packages/ui/src/elements/WhereBuilder/Condition/Select/types.ts
+++ b/packages/ui/src/elements/WhereBuilder/Condition/Select/types.ts
@@ -2,7 +2,7 @@ import type { Option, SelectFieldClient } from 'payload'
 
 import type { DefaultFilterProps } from '../types.js'
 
-export type Props = {
+export type SelectFilterProps = {
   readonly field: SelectFieldClient
   readonly isClearable?: boolean
   readonly onChange: (val: string) => void
diff --git a/packages/ui/src/elements/WhereBuilder/Condition/Text/index.tsx b/packages/ui/src/elements/WhereBuilder/Condition/Text/index.tsx
index 95d958e7f..f4cd8b217 100644
--- a/packages/ui/src/elements/WhereBuilder/Condition/Text/index.tsx
+++ b/packages/ui/src/elements/WhereBuilder/Condition/Text/index.tsx
@@ -1,7 +1,7 @@
 'use client'
 import React from 'react'
 
-import type { Props } from './types.js'
+import type { TextFilterProps as Props } from './types.js'
 
 import { useTranslation } from '../../../../providers/Translation/index.js'
 import './index.scss'
diff --git a/packages/ui/src/elements/WhereBuilder/Condition/Text/types.ts b/packages/ui/src/elements/WhereBuilder/Condition/Text/types.ts
index b6d39cc36..9e25e2e98 100644
--- a/packages/ui/src/elements/WhereBuilder/Condition/Text/types.ts
+++ b/packages/ui/src/elements/WhereBuilder/Condition/Text/types.ts
@@ -2,7 +2,7 @@ import type { TextFieldClient } from 'payload'
 
 import type { DefaultFilterProps } from '../types.js'
 
-export type Props = {
+export type TextFilterProps = {
   readonly field: TextFieldClient
   readonly onChange: (val: string) => void
   readonly value: string
diff --git a/packages/ui/src/elements/WhereBuilder/Condition/index.tsx b/packages/ui/src/elements/WhereBuilder/Condition/index.tsx
index 7cec20c6d..c57eab59f 100644
--- a/packages/ui/src/elements/WhereBuilder/Condition/index.tsx
+++ b/packages/ui/src/elements/WhereBuilder/Condition/index.tsx
@@ -1,7 +1,13 @@
 'use client'
 import React, { useCallback, useEffect, useState } from 'react'
 
-import type { AddCondition, ReducedField, RemoveCondition, UpdateCondition } from '../types.js'
+import type {
+  AddCondition,
+  ReducedField,
+  RemoveCondition,
+  UpdateCondition,
+  Value,
+} from '../types.js'
 
 export type Props = {
   readonly addCondition: AddCondition
@@ -14,7 +20,7 @@ export type Props = {
   readonly removeCondition: RemoveCondition
   readonly RenderedFilter: React.ReactNode
   readonly updateCondition: UpdateCondition
-  readonly value: string
+  readonly value: Value
 }
 
 import type { Operator, Option as PayloadOption, ResolvedFilterOptions } from 'payload'
@@ -51,7 +57,7 @@ export const Condition: React.FC<Props> = (props) => {
 
   const reducedField = reducedFields.find((field) => field.value === fieldName)
 
-  const [internalValue, setInternalValue] = useState<string>(value)
+  const [internalValue, setInternalValue] = useState<Value>(value)
 
   const debouncedValue = useDebounce(internalValue, 300)
 
diff --git a/packages/ui/src/elements/WhereBuilder/index.tsx b/packages/ui/src/elements/WhereBuilder/index.tsx
index 7bf6ed356..41ace0ace 100644
--- a/packages/ui/src/elements/WhereBuilder/index.tsx
+++ b/packages/ui/src/elements/WhereBuilder/index.tsx
@@ -60,7 +60,7 @@ export const WhereBuilder: React.FC<WhereBuilderProps> = (props) => {
 
       if (relation === 'and') {
         newConditions[orIndex].and.splice(andIndex, 0, {
-          [field.value]: {
+          [String(field.value)]: {
             [defaultOperator]: undefined,
           },
         })
@@ -68,7 +68,7 @@ export const WhereBuilder: React.FC<WhereBuilderProps> = (props) => {
         newConditions.push({
           and: [
             {
-              [field.value]: {
+              [String(field.value)]: {
                 [defaultOperator]: undefined,
               },
             },
@@ -91,14 +91,14 @@ export const WhereBuilder: React.FC<WhereBuilderProps> = (props) => {
       if (typeof existingCondition === 'object' && field.value) {
         const value = valueArg ?? existingCondition?.[operator]
 
-        const valueChanged = value !== existingCondition?.[field.value]?.[operator]
+        const valueChanged = value !== existingCondition?.[String(field.value)]?.[String(operator)]
 
         const operatorChanged =
-          operator !== Object.keys(existingCondition?.[field.value] || {})?.[0]
+          operator !== Object.keys(existingCondition?.[String(field.value)] || {})?.[0]
 
         if (valueChanged || operatorChanged) {
           const newRowCondition = {
-            [field.value]: { [operator]: value },
+            [String(field.value)]: { [operator]: value },
           }
 
           const newConditions = [...conditions]
diff --git a/packages/ui/src/elements/WhereBuilder/types.ts b/packages/ui/src/elements/WhereBuilder/types.ts
index e7bd61fb6..0914c5ace 100644
--- a/packages/ui/src/elements/WhereBuilder/types.ts
+++ b/packages/ui/src/elements/WhereBuilder/types.ts
@@ -14,6 +14,8 @@ export type WhereBuilderProps = {
   readonly resolvedFilterOptions?: Map<string, ResolvedFilterOptions>
 }
 
+export type Value = Date | number | number[] | string | string[]
+
 export type ReducedField = {
   field: ClientField
   label: React.ReactNode
@@ -21,7 +23,7 @@ export type ReducedField = {
     label: string
     value: Operator
   }[]
-  value: string
+  value: Value
 }
 
 export type Relation = 'and' | 'or'
@@ -78,7 +80,7 @@ export type UpdateCondition = ({
   field: ReducedField
   operator: string
   orIndex: number
-  value: string
+  value: Value
 }) => Promise<void> | void
 
 export type RemoveCondition = ({
diff --git a/test/fields/collections/Number/e2e.spec.ts b/test/fields/collections/Number/e2e.spec.ts
index 0ff48f475..7044a61c2 100644
--- a/test/fields/collections/Number/e2e.spec.ts
+++ b/test/fields/collections/Number/e2e.spec.ts
@@ -88,6 +88,66 @@ describe('Number', () => {
     await expect(page.locator('table >> tbody >> tr')).toHaveCount(2)
   })
 
+  test('should filter Number field hasMany: false in the collection view - in', async () => {
+    await page.goto(url.list)
+    await expect(page.locator('table >> tbody >> tr')).toHaveCount(3)
+
+    await addListFilter({
+      page,
+      fieldLabel: 'Number',
+      operatorLabel: 'is in',
+      value: '2',
+    })
+
+    await wait(300)
+    await expect(page.locator('table >> tbody >> tr')).toHaveCount(1)
+  })
+
+  test('should filter Number field hasMany: false in the collection view - is not in', async () => {
+    await page.goto(url.list)
+    await expect(page.locator('table >> tbody >> tr')).toHaveCount(3)
+
+    await addListFilter({
+      page,
+      fieldLabel: 'Number',
+      operatorLabel: 'is not in',
+      value: '2',
+    })
+
+    await wait(300)
+    await expect(page.locator('table >> tbody >> tr')).toHaveCount(2)
+  })
+
+  test('should filter Number field hasMany: true in the collection view - in', async () => {
+    await page.goto(url.list)
+    await expect(page.locator('table >> tbody >> tr')).toHaveCount(3)
+
+    await addListFilter({
+      page,
+      fieldLabel: 'Has Many',
+      operatorLabel: 'is in',
+      value: '5',
+    })
+
+    await wait(300)
+    await expect(page.locator('table >> tbody >> tr')).toHaveCount(1)
+  })
+
+  test('should filter Number field hasMany: true in the collection view - is not in', async () => {
+    await page.goto(url.list)
+    await expect(page.locator('table >> tbody >> tr')).toHaveCount(3)
+
+    await addListFilter({
+      page,
+      fieldLabel: 'Has Many',
+      operatorLabel: 'is not in',
+      value: '6',
+    })
+
+    await wait(300)
+    await expect(page.locator('table >> tbody >> tr')).toHaveCount(3)
+  })
+
   test('should create', async () => {
     const input = 5
     await page.goto(url.create)