diff --git a/packages/playwright/tests/fixtures/auth/test.ts b/packages/playwright/tests/fixtures/auth/test.ts
index 9a83c7b51..5d96aa1ed 100644
--- a/packages/playwright/tests/fixtures/auth/test.ts
+++ b/packages/playwright/tests/fixtures/auth/test.ts
@@ -12,6 +12,7 @@ import jwt, { type JwtPayload } from 'jsonwebtoken'
 import config from '../../../playwright.config'
 import { assert } from 'app/utils/assert'
 import { faker } from '@faker-js/faker'
+import { generatePhone } from '../../utils/generators'
 
 const randomCountry = () =>
   countries[Math.floor(Math.random() * countries.length)] as (typeof countries)[number]
@@ -105,7 +106,7 @@ const authTest = snapletTest.extend<{
     const { parallelIndex } = test.info()
     log = debug(`test:auth:${parallelIndex}`)
 
-    const randomNumber = Math.floor(Math.random() * 1e9)
+    const randomNumber = generatePhone()
     const country = randomCountry()
     const { data, error } = await supabaseAdmin.auth.signUp({
       options: {
diff --git a/packages/playwright/tests/sign-in.anon.spec.ts b/packages/playwright/tests/sign-in.anon.spec.ts
index 3d83ced4c..c19eb5d9f 100644
--- a/packages/playwright/tests/sign-in.anon.spec.ts
+++ b/packages/playwright/tests/sign-in.anon.spec.ts
@@ -6,6 +6,7 @@ import { sendCoin } from 'app/data/coins'
 import { assert } from 'app/utils/assert'
 import debug from 'debug'
 import { signUp } from './fixtures/send-accounts'
+import { generatePhone } from './utils/generators'
 
 let log: debug.Debugger
 
@@ -16,7 +17,7 @@ test.beforeEach(async ({ page }) => {
 })
 
 test('redirect on sign-in', async ({ page, pg }) => {
-  const phone = `${Math.floor(Math.random() * 1e9)}`
+  const phone = generatePhone()
   // naive but go to home page to see if user is logged in
   await page.goto('/auth/sign-up')
   await expect(page).toHaveURL('/auth/sign-up')
@@ -43,7 +44,7 @@ test('redirect on sign-in', async ({ page, pg }) => {
 })
 
 test('redirect to send confirm page on sign-in', async ({ page, seed, pg }) => {
-  const phone = `${Math.floor(Math.random() * 1e9)}`
+  const phone = generatePhone()
   const plan = await seed.users([userOnboarded])
   const tag = plan.tags[0]
   assert(!!tag?.name, 'tag not found')
diff --git a/packages/playwright/tests/sign-up.anon.spec.ts b/packages/playwright/tests/sign-up.anon.spec.ts
index b56660e1b..f46c7fd1b 100644
--- a/packages/playwright/tests/sign-up.anon.spec.ts
+++ b/packages/playwright/tests/sign-up.anon.spec.ts
@@ -5,6 +5,7 @@ import { countries } from 'app/utils/country'
 import { SUPABASE_URL } from 'app/utils/supabase/admin'
 import debug from 'debug'
 import { signUp } from './fixtures/send-accounts'
+import { generatePhone } from './utils/generators'
 
 let log: debug.Debugger
 
@@ -18,7 +19,7 @@ const randomCountry = () =>
   countries[Math.floor(Math.random() * countries.length)] as (typeof countries)[number]
 
 test('can sign up', async ({ page, pg }) => {
-  const phone = `${Math.floor(Math.random() * 1e9)}`
+  const phone = generatePhone()
   // naive but go to home page to see if user is logged in
   await page.goto('/')
   const signUpLink = page.getByRole('link', { name: 'SIGN-UP' })
@@ -50,7 +51,7 @@ test('can sign up', async ({ page, pg }) => {
 
 test('country code is selected based on geoip', async ({ page, context, pg }) => {
   const country = randomCountry()
-  const phone = `${Math.floor(Math.random() * 1e9)}`
+  const phone = generatePhone()
 
   await page.route('https://ipapi.co/json/', async (route) => {
     await route.fulfill({
@@ -81,3 +82,39 @@ test('country code is selected based on geoip', async ({ page, context, pg }) =>
     await pg.query('DELETE FROM auth.users WHERE phone = $1', [phone])
   }
 })
+
+test('skip otp for existing user trying to sign up using already used phone number', async ({
+  page,
+  pg,
+}) => {
+  const phone = generatePhone()
+  await page.goto('/')
+
+  const signUpLink = page.getByRole('link', { name: 'SIGN-UP' })
+  await expect(signUpLink).toBeVisible()
+  await signUpLink.click()
+  await expect(page).toHaveURL('/auth/sign-up')
+
+  try {
+    await signUp(page, phone, expect)
+
+    await page.context().clearCookies()
+    await page.goto('/')
+    const signUpLink = page.getByRole('link', { name: 'SIGN-UP' })
+    await expect(signUpLink).toBeVisible()
+    await signUpLink.click()
+
+    await expect(page).toHaveURL('/auth/sign-up')
+    await page.getByLabel('Phone number').fill(phone)
+    const signUpButton = page.getByRole('button', { name: 'Sign Up' })
+    await expect(signUpButton).toBeVisible()
+    await signUpButton.click()
+
+    const depositButton = await page.getByRole('link', { name: 'Deposit' })
+    await expect(depositButton).toBeVisible()
+  } finally {
+    await pg.query('DELETE FROM auth.users WHERE phone = $1', [phone]).catch((e) => {
+      log('delete failed', e)
+    })
+  }
+})
diff --git a/packages/playwright/tests/utils/generators.ts b/packages/playwright/tests/utils/generators.ts
new file mode 100644
index 000000000..02da1522d
--- /dev/null
+++ b/packages/playwright/tests/utils/generators.ts
@@ -0,0 +1 @@
+export const generatePhone = () => `${Math.floor(Math.random() * 1e9)}`