diff --git a/src/formio/components/PhoneNumberField.js b/src/formio/components/PhoneNumberField.js
index f928603de..45ee22701 100644
--- a/src/formio/components/PhoneNumberField.js
+++ b/src/formio/components/PhoneNumberField.js
@@ -4,7 +4,7 @@ import enableValidationPlugins from '../validators/plugins';
 
 const PhoneNumber = Formio.Components.components.phoneNumber;
 
-const PHONE_NUMBER_REGEX = /^\+{0,1}[- 0-9]{0,}$/;
+const PHONE_NUMBER_REGEX = /^[+0-9][- 0-9]+$/;
 
 const PhoneNumberValidator = {
   key: 'validate.phoneNumber',
diff --git a/src/formio/components/PhoneNumberField.spec.js b/src/formio/components/PhoneNumberField.spec.js
new file mode 100644
index 000000000..956788ccd
--- /dev/null
+++ b/src/formio/components/PhoneNumberField.spec.js
@@ -0,0 +1,91 @@
+import {screen, waitFor} from '@testing-library/dom';
+import userEvent from '@testing-library/user-event';
+import _ from 'lodash';
+import {Formio} from 'react-formio';
+
+import OpenFormsModule from 'formio/module';
+
+// Use our custom components
+Formio.use(OpenFormsModule);
+
+const phoneForm = {
+  type: 'form',
+  components: [
+    {
+      key: 'phoneNumber',
+      type: 'phoneNumber',
+      input: true,
+      label: 'Phone number',
+      inputMask: null,
+    },
+  ],
+};
+
+const renderForm = async () => {
+  let formJSON = _.cloneDeep(phoneForm);
+  const container = document.createElement('div');
+  document.body.appendChild(container);
+  const form = await Formio.createForm(container, formJSON);
+  return {form, container};
+};
+
+describe('The phone number component', () => {
+  afterEach(() => {
+    document.body.innerHTML = '';
+  });
+
+  it.each([['+31612345678'], ['0031612345678'], ['01612345678'], ['1234']])(
+    'accepts numbers and + as first character (value: %i)',
+    async value => {
+      const user = userEvent.setup({delay: 50});
+      const {form} = await renderForm();
+
+      const input = screen.getByLabelText('Phone number');
+      expect(input).toBeVisible();
+      await user.type(input, value);
+      expect(input).toHaveDisplayValue(value);
+
+      const component = form.getComponent('phoneNumber');
+      expect(component.getValue()).toBe(value);
+      expect(form.isValid()).toBe(true);
+    }
+  );
+
+  it.each([['-31612345678'], ['(06)12345678'], [' 01612345678'], ['$1234']])(
+    'only allows numbers and + as first character (value: %i)',
+    async value => {
+      const user = userEvent.setup({delay: 50});
+      const {form} = await renderForm();
+
+      const input = screen.getByLabelText('Phone number');
+      expect(input).toBeVisible();
+      await user.type(input, value);
+      expect(input).toHaveDisplayValue(value);
+
+      const component = form.getComponent('phoneNumber');
+      expect(component.getValue()).toBe(value);
+      await waitFor(() => {
+        expect(form.isValid()).toBe(false);
+      });
+      expect(await screen.findByText('Invalid Phone Number')).toBeVisible();
+    }
+  );
+
+  it.each([
+    ['+316 123 456 78'],
+    ['06-12 34 56 78'],
+    ['06-12-34-56 78'], // weird but ok
+  ])('allows dashes and spaces for formatting (value: %i)', async value => {
+    const user = userEvent.setup({delay: 50});
+    const {form} = await renderForm();
+
+    const input = screen.getByLabelText('Phone number');
+    expect(input).toBeVisible();
+    await user.type(input, value);
+    expect(input).toHaveDisplayValue(value);
+
+    const component = form.getComponent('phoneNumber');
+    expect(component.getValue()).toBe(value);
+    expect(form.isValid()).toBe(true);
+  });
+});
diff --git a/src/formio/components/PhoneNumberField.stories.js b/src/formio/components/PhoneNumberField.stories.js
index 538691255..0ab90e132 100644
--- a/src/formio/components/PhoneNumberField.stories.js
+++ b/src/formio/components/PhoneNumberField.stories.js
@@ -7,7 +7,9 @@ export default {
   decorators: [withUtrechtDocument],
   args: {
     type: 'phoneNumber',
-    extraComponentProperties: {},
+    extraComponentProperties: {
+      inputMask: null,
+    },
     evalContext: {},
   },
   argTypes: {