diff --git a/apps/member-profile/app/routes/_profile.profile.general.tsx b/apps/member-profile/app/routes/_profile.profile.general.tsx
index b56318831..2f00e1570 100644
--- a/apps/member-profile/app/routes/_profile.profile.general.tsx
+++ b/apps/member-profile/app/routes/_profile.profile.general.tsx
@@ -16,8 +16,10 @@ import { Student } from '@oyster/types';
 import {
   Button,
   Divider,
+  Form,
   getErrors,
   InputField,
+  PhoneNumberInput,
   validateForm,
 } from '@oyster/ui';
 
@@ -52,6 +54,7 @@ export async function loader({ request }: LoaderFunctionArgs) {
       'genderPronouns',
       'headline',
       'lastName',
+      'phoneNumber',
       'preferredName',
     ])
     .executeTakeFirstOrThrow();
@@ -73,6 +76,7 @@ const UpdateGeneralInformation = Student.pick({
   headline: true,
   lastName: true,
   preferredName: true,
+  phoneNumber: true,
 }).extend({
   currentLocation: Student.shape.currentLocation.unwrap(),
   currentLocationLatitude: Student.shape.currentLocationLatitude.unwrap(),
@@ -174,6 +178,19 @@ export default function UpdateGeneralInformationSection() {
           longitudeName={keys.currentLocationLongitude}
         />
 
+        <Form.Field
+          description="Enter your 10-digit phone number. We'll use this to send you important ColorStack updates."
+          error={errors.phoneNumber}
+          label="Phone Number"
+          labelFor={keys.phoneNumber}
+        >
+          <PhoneNumberInput
+            defaultValue={student.phoneNumber || undefined}
+            id={keys.phoneNumber}
+            name={keys.phoneNumber}
+          />
+        </Form.Field>
+
         <Button.Group>
           <Button.Submit>Save</Button.Submit>
         </Button.Group>
diff --git a/packages/db/src/migrations/20240924211318_phone_number.ts b/packages/db/src/migrations/20240924211318_phone_number.ts
new file mode 100644
index 000000000..cb1673939
--- /dev/null
+++ b/packages/db/src/migrations/20240924211318_phone_number.ts
@@ -0,0 +1,12 @@
+import { type Kysely } from 'kysely';
+
+export async function up(db: Kysely<any>) {
+  await db.schema
+    .alterTable('students')
+    .addColumn('phone_number', 'text')
+    .execute();
+}
+
+export async function down(db: Kysely<any>) {
+  await db.schema.alterTable('students').dropColumn('phone_number').execute();
+}
diff --git a/packages/types/src/domain/student.ts b/packages/types/src/domain/student.ts
index 95d43b6b7..52fe4dd4a 100644
--- a/packages/types/src/domain/student.ts
+++ b/packages/types/src/domain/student.ts
@@ -159,6 +159,21 @@ export const Student = Entity.merge(StudentSocialLinks)
     otherMajor: z.string().optional(),
     otherSchool: z.string().optional(),
 
+    /**
+     * A 10-digit phone number without any formatting. Note that since we only
+     * serve US and Canadian students, we will not worry about asking for nor
+     * storing the country code, it is by default +1. We will only store
+     * 10-digit values without any formatting (ie: parentheses, dashes, etc).
+     *
+     * @example "1112223333"
+     * @example "1234567890"
+     */
+    phoneNumber: z
+      .string()
+      .trim()
+      .regex(/^\d{10}$/, 'Must be a 10-digit number.')
+      .optional(),
+
     /**
      * The preferred name that a member would like to go by. This will typically
      * just be a first name.
diff --git a/packages/ui/src/components/form.tsx b/packages/ui/src/components/form.tsx
index 41dbfbc9b..b381b606c 100644
--- a/packages/ui/src/components/form.tsx
+++ b/packages/ui/src/components/form.tsx
@@ -73,6 +73,9 @@ type InputFieldProps = FieldProps<string> &
   Pick<FormFieldProps, 'description' | 'label' | 'required'> &
   Pick<InputProps, 'disabled' | 'placeholder'>;
 
+/**
+ * @deprecated Instead, just compose the `Form.Field` and `Input` together.
+ */
 export function InputField({
   defaultValue,
   description,
diff --git a/packages/ui/src/components/input.tsx b/packages/ui/src/components/input.tsx
index af7f0c6bc..a01f2d95c 100644
--- a/packages/ui/src/components/input.tsx
+++ b/packages/ui/src/components/input.tsx
@@ -1,4 +1,4 @@
-import React, { type HTMLInputTypeAttribute } from 'react';
+import React, { type HTMLInputTypeAttribute, useState } from 'react';
 
 import { cx } from '../utils/cx';
 
@@ -42,6 +42,75 @@ export const Input = React.forwardRef(
   }
 );
 
+type PhoneNumberInputProps = Pick<InputProps, 'id' | 'name' | 'required'> & {
+  defaultValue?: string; // Limit the default value to a string.
+};
+
+export function PhoneNumberInput({
+  defaultValue,
+  name,
+  ...rest
+}: PhoneNumberInputProps) {
+  const [value, setValue] = useState(defaultValue || '');
+
+  const formattedValue = formatPhoneNumber(value);
+  const rawValue = formattedValue.replace(/\D/g, '');
+
+  return (
+    <>
+      <input
+        className={getInputCn()}
+        onChange={(e) => setValue(e.target.value)}
+        pattern="\(\d{3}\) \d{3}-\d{4}"
+        placeholder="(555) 123-4567"
+        type="tel"
+        value={formattedValue}
+        {...rest}
+      />
+
+      <input name={name} type="hidden" value={rawValue} />
+    </>
+  );
+}
+
+/**
+ * Formats a phone number to the format: (xxx) xxx-xxxx.
+ *
+ * @param number - The phone number to format.
+ * @returns The formatted phone number.
+ *
+ * @example
+ * formatPhoneNumber("") => ""
+ * formatPhoneNumber("1") => "(1"
+ * formatPhoneNumber("12") => "(12"
+ * formatPhoneNumber("123") => "(123"
+ * formatPhoneNumber("1234") => "(123) 4"
+ * formatPhoneNumber("12345") => "(123) 45"
+ * formatPhoneNumber("123456") => "(123) 456"
+ * formatPhoneNumber("1234567") => "(123) 456-7"
+ * formatPhoneNumber("12345678") => "(123) 456-78"
+ * formatPhoneNumber("123456789") => "(123) 456-789"
+ * formatPhoneNumber("1234567890") => "(123) 456-7890"
+ * formatPhoneNumber("1234567890123") => "(123) 456-7890"
+ */
+function formatPhoneNumber(input: string): string {
+  const digits = input.replace(/\D/g, '');
+
+  if (digits.length === 0) {
+    return '';
+  }
+
+  if (digits.length <= 3) {
+    return `(${digits}`;
+  }
+
+  if (digits.length <= 6) {
+    return `(${digits.slice(0, 3)}) ${digits.slice(3)}`;
+  }
+
+  return `(${digits.slice(0, 3)}) ${digits.slice(3, 6)}-${digits.slice(6, 10)}`;
+}
+
 export function getInputCn() {
   return cx(
     'w-full rounded-lg border border-gray-300 p-2',
diff --git a/packages/ui/src/index.ts b/packages/ui/src/index.ts
index f82e481ba..a30fb1cc9 100644
--- a/packages/ui/src/index.ts
+++ b/packages/ui/src/index.ts
@@ -13,7 +13,7 @@ export { MB_IN_BYTES, FileUploader } from './components/file-uploader';
 export { Form, getErrors, InputField, validateForm } from './components/form';
 export type { DescriptionProps, FieldProps } from './components/form';
 export { IconButton, getIconButtonCn } from './components/icon-button';
-export { Input, getInputCn } from './components/input';
+export { Input, PhoneNumberInput, getInputCn } from './components/input';
 export type { InputProps } from './components/input';
 export { Link } from './components/link';
 export { Login } from './components/login';