diff --git a/mailer.js b/mailer.js
index af8f7f6..59cc28d 100644
--- a/mailer.js
+++ b/mailer.js
@@ -74,6 +74,12 @@ const sendEmailWithAttachment = async (toEmail, orderData, pdfBuffer, shippingLa
 
     // --- 3. Billing Address Details HTML ---
     const billing = orderData.billing_address || {};
+    const contactNumber = orderData.note_attributes?.find?.((attr) => attr.name === 'Contact Number')?.value
+        || orderData.attributes?.['Contact Number']?.contact_phone
+        || orderData.attributes?.['Contact Number']
+        || orderData.contact_phone
+        || orderData.attributes?.contact_phone;
+
     let billingAddressHtml = '';
     if (billing.first_name || billing.last_name) {
         billingAddressHtml += `${billing.first_name || ''} ${billing.last_name || ''}<br/>`;
@@ -87,6 +93,9 @@ const sendEmailWithAttachment = async (toEmail, orderData, pdfBuffer, shippingLa
     if (billing.phone || orderData.phone) {
         billingAddressHtml += `${billing.phone || orderData.phone}`;
     }
+    if (contactNumber) {
+        billingAddressHtml += `<br/>Contact: ${contactNumber}`;
+    }
 
     const paymentMethod = orderData.gateway || 'Request Quote';
     const shippingMethod = orderData.shipping_lines?.[0]?.title || 'Economy';
diff --git a/pdfGenerator.js b/pdfGenerator.js
index 555838a..fe430a0 100644
--- a/pdfGenerator.js
+++ b/pdfGenerator.js
@@ -132,6 +132,12 @@ const generateInvoicePDF = async (orderData) => {
 
             // Bill To (Left)
             const billing = orderData.billing_address || {};
+            const customContactNumber = orderData.note_attributes?.find?.((attr) => attr.name === 'Contact Number')?.value
+                || orderData.attributes?.['Contact Number']?.contact_phone
+                || orderData.attributes?.['Contact Number']
+                || orderData.contact_phone
+                || orderData.attributes?.contact_phone;
+
             doc.fontSize(11)
                .font('Helvetica-Bold')
                .fillColor(primaryColor)
@@ -168,6 +174,10 @@ const generateInvoicePDF = async (orderData) => {
             }
             if (billing.phone || orderData.phone) {
                 doc.text(billing.phone || orderData.phone, 40, billTextY);
+                billTextY += 13;
+            }
+            if (customContactNumber) {
+                doc.text(`Contact: ${customContactNumber}`, 40, billTextY);
             }
 
             // Order Details (Right)
diff --git a/server.js b/server.js
index 7646c54..6fee522 100644
--- a/server.js
+++ b/server.js
@@ -206,6 +206,15 @@ app.post('/create-order', async (req, res) => {
             }
         };
 
+        if (customerData.contact_phone || customerData.contactNumber || customerData.contact_number) {
+            orderPayload.order.note_attributes = [
+                {
+                    name: 'Contact Number',
+                    value: customerData.contact_phone || customerData.contactNumber || customerData.contact_number
+                }
+            ];
+        }
+
         const shopifyResponse = await fetch(`https://${process.env.SHOPIFY_STORE_DOMAIN}/admin/api/2024-01/orders.json`, {
             method: 'POST',
             headers: {