1. Firstname
 2. Lastname
 3. Company
 4. Phone #
 5. country
 6. postcode
 7. House #
 8. street address
 9. city

1. Firstname
 2. Lastname
 3. Company
 4. post code
 5. country
 6. house #
 7. suffix (e.g., EA)
 8. street #
 9. Phone #

app/design/frontend/Project/project_theme/Magento_Checkout/layout/checkout_index_index.xml

<?xml version="1.0"?>

<!-- Move postcode field -->
                                                      <item name="postcode" xsi:type="array">
                                                          <item name="sortOrder" xsi:type="string">80</item>
                                                      </item>

                                                      <!-- Move Country Field -->
                                                      <item name="country_id" xsi:type="array">
                                                          <item name="sortOrder" xsi:type="string">81</item>
                                                      </item>

                                                      <item name="telephone" xsi:type="array">
                                                          <item name="sortOrder" xsi:type="string">300</item>
                                                      </item>

                                                  </item>
                                              </item>
                                          </item>
                                      </item>
                                  </item>
                              </item>
                          </item>
                      </item>
                  </item>
              </item>
          </item>
      </argument>
    </arguments>
  </referenceBlock>
</body>

<item name="telephone" xsi:type="array">
    <item name="sortOrder" xsi:type="string">300</item>
</item>