Unable to extract correct data in excel using python

I've been tkintering around web scraping and have come to a dead end. The code I have work for 1 iteration, however, it's unable to continuously parse(only copy ZipCode/Email each time after first iter)

layout_excel

I only need the E_MAIL & ZIPCODE values, so far I'm able to log into the webpage.

def login_portal():
    # File 
    file = "C:\\exceldata.xlsx"
    wb = load_workbook(file)
    sheet = wb.active
    .
    .[Login section]        .
    .
    sheet.columns[0]
    sheet.columns[2]
    sheet.columns[4]
    firstRow = True
    thirdRow = True
    fifthRow = True
    endMRN = True

   for mrnNumber in sheet.columns[0]:
        global firstRow
        if firstRow:
            firstRow = False
            continue
        cellValue = mrnNumber.value
        ID_MRN = chrome_driver.find_element_by_id("PATH")
        ID_MRN.send_keys(cellValue)
        ID_MRN.send_keys(Keys.RETURN)

        time.sleep(2)

        #TODO: Click Link (href)/workaround ?
        usrName = chrome_driver.find_element_by_xpath("PATH").click()

        #TODO: Implement Security Questions - Postal Code
        secQuestion = chrome_driver.find_element_by_xpath("PATH").click()

        #TODO: Error Check if no Postal Code

        #TODO: Select Postal Code from Excel
        zipDone = True
        for zipCode in sheet.columns[4]:
            global fifthRow
            if fifthRow:
                fifthRow = False
                continue
            cellZip = zipCode.value
            _zipCode = chrome_driver.find_element_by_id("PATH")
            _zipCode.send_keys(cellZip)
            time.sleep(2)
            #TODO: Confirm Security Question Answer
            secQuestionAns = chrome_driver.find_element_by_id("PATH")
            secQuestionAns.send_keys(cellZip)
            print("ZIPCODE CONFIRMED")
            break

        # TODO: Select Email Address from Excel
        emailDone = True
        for email in sheet.columns[2]:
            global thirdRow
            if thirdRow:
                thirdRow = False
                continue
            emailAddr = email.value
            recipientEmail = chrome_driver.find_element_by_xpath("PATH")
            recipientEmail.send_keys(emailAddr)
            time.sleep(2)
            #TODO: Confirm Email Address
            recipientEmailConfirm = chrome_driver.find_element_by_id("PATH")
            recipientEmailConfirm.send_keys(emailAddr)
            print("EMAIL ADDRESS CONFIRMED")
            break

        #TODO: Click Submit Button
        submit = chrome_driver.find_element_by_id("PATH").click()
        send_invite = chrome_driver.find_element_by_css_selector('PATH').click()
        continue 

        if zipDone & emailDone:
            zipDone = False
            emailDone = False
            break
        #break

        if endMRN:
            endMRN = False
            continue
        break               

However, once my code runs, it goes back to the initial start of the first FOR loop but the values are now ZIPCODE and E_MAIL. The If's at the end are my failed attempts at stopping the loop to start over. Can anyone see where my logic went off the deep end.. Essentially, I want the code to parse over MRN, Email and Zipcode and put the in the correct field on the web form. So far, I'm only getting: 123456789 jdoe@gmail.com 12345 on the next iteration (gives correct MRN#): 987654321 E_MAIL ZIPCODE

Thanks for any help.