diff --git a/react/components/CheckoutCustomCep/index.tsx b/react/components/CheckoutCustomCep/index.tsx
index ff17cf8..c47afd8 100644
--- a/react/components/CheckoutCustomCep/index.tsx
+++ b/react/components/CheckoutCustomCep/index.tsx
@@ -1,141 +1,174 @@
-import React, { FC, useEffect } from 'react';
+import React, { FC, useEffect } from 'react'
 
 const CheckoutCustomCep: FC = () => {
-  const [postalCode, setPostalCode] = React.useState('');
+  const [postalCode, setPostalCode] = React.useState('')
+  const [postalCodeFilled, setPostalCodeFilled] = React.useState(false)
 
   const handleInputCep = (e: React.ChangeEvent<HTMLInputElement>) => {
-    let value = e.target.value;
+    let value = e.target.value
 
-    value = value.replace(/\D/g, "");
+    value = value.replace(/\D/g, '')
 
     if (value.length > 5) {
-      value = value.replace(/^(\d{5})(\d)/, "$1-$2");
+      value = value.replace(/^(\d{5})(\d)/, '$1-$2')
     }
 
     if (value.length > 9) {
-      value = value.slice(0, 9);
+      value = value.slice(0, 9)
     }
 
-    setPostalCode(value);
-  };
+    setPostalCode(value)
+  }
 
   const resetShippingData = (orderFormId: string | undefined) => {
-
     if (!orderFormId) {
-      console.error('OrderFormId não encontrado.');
-      return;
+      console.error('OrderFormId não encontrado.')
+      return
     }
 
-    const headers = new Headers();
-    headers.append('Content-Type', 'application/json');
+    const headers = new Headers()
+    headers.append('Content-Type', 'application/json')
 
     const body = JSON.stringify({
       clearAddressIfPostalCodeNotFound: true,
-    });
+    })
 
     const requestOptions: RequestInit = {
       method: 'POST',
       headers,
       body,
       redirect: 'follow' as RequestRedirect,
-    };
-
-    fetch(`/api/checkout/pub/orderForm/${orderFormId}/attachments/shippingData`, requestOptions)
-      .then((response) => response.json())
-      .then((data) => console.log('Resposta do servidor:', data))
-      .catch((error) => console.error('Erro ao atualizar shippingData:', error));
-  };
-
-  const updateShippingData =  async (e: React.FormEvent<HTMLFormElement>) => {
-
-  e.preventDefault();
-
-  //@ts-ignore
-  const orderFormId = window?.vtexjs?.checkout?.orderFormId;
-
-  const myHeaders = new Headers();
-  myHeaders.append("Content-Type", "application/json");
-
-  const raw = JSON.stringify({
-     selectedAddresses: [
-      {
-        addressType: 'residential',
-        country: 'BRA',
-        postalCode: postalCode,
-      },
-    ],
-    clearAddressIfPostalCodeNotFound: true,
-    logisticsInfo: [{itemIndex: 0, selectedDeliveryChannel: 'delivery', selectedSla: 'ENTREGA CARAPRETA'}]
-  });
-
-  const requestOptions = {
-    method: "POST",
-    headers: myHeaders,
-    body: raw,
-    redirect: "follow" as RequestRedirect
-  };
-
-  await fetch(`/api/checkout/pub/orderForm/${orderFormId}/attachments/shippingData`, requestOptions)
-  .then((response) => response.text())
-  .then((result) => {
-  console.log(result)
-
-  //@ts-ignore
-  vtexjs.checkout.getOrderForm()
-  .done(function(orderForm: any) { });
-
-  window?.localStorage?.setItem('userEnteredZipCode', 'true');
-
-  const bodyElement = document.querySelector('body')
-  bodyElement?.classList.remove('zip-code-not-entered')
-
-  })
-  .catch((error) => console.error("erro no cep", error));
+    }
+
+    fetch(
+      `/api/checkout/pub/orderForm/${orderFormId}/attachments/shippingData`,
+      requestOptions
+    )
+      .then(response => response.json())
+      .then(data => console.log('Resposta do servidor:', data))
+      .catch(error => console.error('Erro ao atualizar shippingData:', error))
   }
 
+  const updateShippingData = async (e: React.FormEvent<HTMLFormElement>) => {
+    e.preventDefault()
 
-  useEffect(() => {
-   const userEnteredZipCode = window?.localStorage?.getItem('userEnteredZipCode') == "true"
+    //@ts-ignore
+    const orderFormId = window?.vtexjs?.checkout?.orderFormId
+
+    const myHeaders = new Headers()
+    myHeaders.append('Content-Type', 'application/json')
+
+    const raw = JSON.stringify({
+      selectedAddresses: [
+        {
+          addressType: 'residential',
+          country: 'BRA',
+          postalCode: postalCode,
+        },
+      ],
+      clearAddressIfPostalCodeNotFound: true,
+      logisticsInfo: [
+        {
+          itemIndex: 0,
+          selectedDeliveryChannel: 'delivery',
+          selectedSla: 'ENTREGA CARAPRETA',
+        },
+      ],
+    })
+
+    const requestOptions = {
+      method: 'POST',
+      headers: myHeaders,
+      body: raw,
+      redirect: 'follow' as RequestRedirect,
+    }
 
-   if (!userEnteredZipCode) {
+    await fetch(
+      `/api/checkout/pub/orderForm/${orderFormId}/attachments/shippingData`,
+      requestOptions
+    )
+      .then(response => response.text())
+      .then(result => {
+        console.log(result)
+
+        //@ts-ignore
+        vtexjs.checkout.getOrderForm().done(function(orderForm: any) {})
+
+        window?.localStorage?.setItem('userEnteredZipCode', 'true')
+
+        const bodyElement = document.querySelector('body')
+        bodyElement?.classList.remove('zip-code-not-entered')
+        setPostalCodeFilled(true)
+      })
+      .catch(error => console.error('erro no cep', error))
+  }
+
+  const resetPostalCode = () => {
     //@ts-ignore
-    const orderFormId = window?.vtexjs?.checkout?.orderFormId;
-    resetShippingData(orderFormId);
-   }
-  }, []);
+    resetShippingData(window?.vtexjs?.checkout?.orderFormId)
+    window?.localStorage?.setItem('userEnteredZipCode', 'false')
+    const bodyElement = document.querySelector('body')
+    bodyElement?.classList.add('zip-code-not-entered')
+    setPostalCodeFilled(false)
+    setPostalCode('')
+  }
+
+  useEffect(() => {
+    const userEnteredZipCode =
+      window?.localStorage?.getItem('userEnteredZipCode') == 'true'
 
+    if (!userEnteredZipCode) {
+      //@ts-ignore
+      const orderFormId = window?.vtexjs?.checkout?.orderFormId
+      resetShippingData(orderFormId)
+    }
+  }, [])
 
   return (
     <div className="custom-cep-container">
-      <form className="custom-cep-form" onSubmit={updateShippingData}>
-        <label htmlFor="custom-ship-postalCode" className="custom-cep-label">
-        Digite o CEP para finalizar a compra*
-        </label>
-        <div className="custom-cep-container-input">
-          <input
-          type="text"
-          className="custom-ship-postal-code"
-          required
-          placeholder="Digite seu CEP"
-          value={postalCode}
-          onChange={handleInputCep}
-          />
-          <button className="custom-cep-submit" type="submit">
-           <span className="custom-cep-span">Calcular</span>
-          </button>
+      {postalCodeFilled ? (
+        <div className="custom-cep-form">
+          <p className="custom-cep-label">
+            Digite o CEP para finalizar a compra*
+          </p>
+          <div className="custom-cep-container-input">
+            <span className="custom-ship-postal-code">{postalCode}</span>
+            <button className="custom-cep-submit" onClick={resetPostalCode}>
+              <span className="custom-cep-span">Alterar</span>
+            </button>
+          </div>
         </div>
-        <p className="custom-cep-alert">*Preenchimento obrigatório</p>
-        <a
-        className="custom-search-cep"
-        href="https://buscacepinter.correios.com.br/app/endereco/index.php?t"
-        target="_blank"
-        rel="noopener noreferrer"
-      >
-        Não sei meu CEP
-      </a>
-    </form>
-  </div>
-  );
+      ) : (
+        <form className="custom-cep-form" onSubmit={updateShippingData}>
+          <label htmlFor="custom-ship-postalCode" className="custom-cep-label">
+            Digite o CEP para finalizar a compra*
+          </label>
+          <div className="custom-cep-container-input">
+            <input
+              type="text"
+              className="custom-ship-postal-code"
+              required
+              placeholder="Digite seu CEP"
+              value={postalCode}
+              onChange={handleInputCep}
+            />
+            <button className="custom-cep-submit" type="submit">
+              <span className="custom-cep-span">Calcular</span>
+            </button>
+          </div>
+          <p className="custom-cep-alert">*Preenchimento obrigatório</p>
+          <a
+            className="custom-search-cep"
+            href="https://buscacepinter.correios.com.br/app/endereco/index.php?t"
+            target="_blank"
+            rel="noopener noreferrer"
+          >
+            Não sei meu CEP
+          </a>
+        </form>
+      )}
+    </div>
+  )
 }
 
-export default CheckoutCustomCep;
+export default CheckoutCustomCep