diff --git a/app/javascript/packages/document-capture/components/in-person-full-address-search.tsx b/app/javascript/packages/document-capture/components/in-person-full-address-search.tsx
index 205ff2d4e9b..208a7b70bc9 100644
--- a/app/javascript/packages/document-capture/components/in-person-full-address-search.tsx
+++ b/app/javascript/packages/document-capture/components/in-person-full-address-search.tsx
@@ -1,5 +1,5 @@
-import { TextInput } from '@18f/identity-components';
-import { useState, useRef, useEffect, useCallback } from 'react';
+import { TextInput, SelectInput } from '@18f/identity-components';
+import { useState, useRef, useEffect, useCallback, useContext } from 'react';
 import { t } from '@18f/identity-i18n';
 import { request } from '@18f/identity-request';
 import ValidatedField from '@18f/identity-validated-field/validated-field';
@@ -15,6 +15,7 @@ import {
   LOCATIONS_URL,
   PostOffice,
 } from '@18f/identity-address-search';
+import { InPersonContext } from '../context';
 
 const formatLocations = (postOffices: PostOffice[]): FormattedLocation[] =>
   postOffices.map((po: PostOffice, index) => ({
@@ -46,7 +47,7 @@ function useUspsLocations() {
   const validatedZipCodeFieldRef = useRef<HTMLFormElement>(null);
 
   const handleLocationSearch = useCallback(
-    (event, addressInput, cityInput, stateInput, zipCodeInput) => {
+    (event, addressValue, cityValue, stateValue, zipCodeValue) => {
       event.preventDefault();
       validatedAddressFieldRef.current?.setCustomValidity('');
       validatedAddressFieldRef.current?.reportValidity();
@@ -58,20 +59,20 @@ function useUspsLocations() {
       validatedZipCodeFieldRef.current?.reportValidity();
 
       if (
-        addressInput.trim().length === 0 ||
-        cityInput.trim().length === 0 ||
-        stateInput.trim().length === 0 ||
-        zipCodeInput.trim().length === 0
+        addressValue.trim().length === 0 ||
+        cityValue.trim().length === 0 ||
+        stateValue.trim().length === 0 ||
+        zipCodeValue.trim().length === 0
       ) {
         return;
       }
 
       setLocationQuery({
-        address: `${addressInput}, ${cityInput}, ${stateInput} ${zipCodeInput}`,
-        streetAddress: addressInput,
-        city: cityInput,
-        state: stateInput,
-        zipCode: zipCodeInput,
+        address: `${addressValue}, ${cityValue}, ${stateValue} ${zipCodeValue}`,
+        streetAddress: addressValue,
+        city: cityValue,
+        state: stateValue,
+        zipCode: zipCodeValue,
       });
     },
     [],
@@ -114,12 +115,11 @@ function FullAddressSearch({
   onError = () => undefined,
   disabled = false,
 }: FullAddressSearchProps) {
-  // todo: should we get rid of verbose 'input' word?
   const spinnerButtonRef = useRef<SpinnerButtonRefHandle>(null);
-  const [addressInput, setAddressInput] = useState('');
-  const [cityInput, setCityInput] = useState('');
-  const [stateInput, setStateInput] = useState('');
-  const [zipCodeInput, setZipCodeInput] = useState('');
+  const [addressValue, setAddressValue] = useState('');
+  const [cityValue, setCityValue] = useState('');
+  const [stateValue, setStateValue] = useState('');
+  const [zipCodeValue, setZipCodeValue] = useState('');
   const {
     locationQuery,
     locationResults,
@@ -132,15 +132,17 @@ function FullAddressSearch({
     validatedZipCodeFieldRef,
   } = useUspsLocations();
 
-  const textInputChangeHandler = (input) => (event: React.ChangeEvent<HTMLInputElement>) => {
-    const { target } = event;
-    input(target.value);
-  };
+  const inputChangeHandler =
+    <T extends HTMLElement & { value: string }>(input) =>
+    (event: React.ChangeEvent<T>) => {
+      const { target } = event;
+      input(target.value);
+    };
 
-  const onAddressChange = textInputChangeHandler(setAddressInput);
-  const onCityChange = textInputChangeHandler(setCityInput);
-  const onStateChange = textInputChangeHandler(setStateInput);
-  const onZipCodeChange = textInputChangeHandler(setZipCodeInput);
+  const onAddressChange = inputChangeHandler(setAddressValue);
+  const onCityChange = inputChangeHandler(setCityValue);
+  const onStateChange = inputChangeHandler(setStateValue);
+  const onZipCodeChange = inputChangeHandler(setZipCodeValue);
 
   useEffect(() => {
     spinnerButtonRef.current?.toggleSpinner(isLoading);
@@ -158,18 +160,20 @@ function FullAddressSearch({
   const handleSearch = useCallback(
     (event) => {
       onError(null);
-      onSearch(event, addressInput, cityInput, stateInput, zipCodeInput);
+      onSearch(event, addressValue, cityValue, stateValue, zipCodeValue);
     },
-    [addressInput, cityInput, stateInput, zipCodeInput],
+    [addressValue, cityValue, stateValue, zipCodeValue],
   );
 
+  const { usStatesTerritories } = useContext(InPersonContext);
+
   return (
     <>
       <ValidatedField ref={validatedAddressFieldRef}>
         <TextInput
           required
           ref={registerField('address')}
-          value={addressInput}
+          value={addressValue}
           onChange={onAddressChange}
           label={t('in_person_proofing.body.location.po_search.address_label')}
           disabled={disabled}
@@ -179,28 +183,37 @@ function FullAddressSearch({
         <TextInput
           required
           ref={registerField('city')}
-          value={cityInput}
+          value={cityValue}
           onChange={onCityChange}
           label={t('in_person_proofing.body.location.po_search.city_label')}
           disabled={disabled}
         />
       </ValidatedField>
       <ValidatedField ref={validatedStateFieldRef}>
-        <TextInput
+        <SelectInput
           required
           ref={registerField('state')}
-          value={stateInput}
+          value={stateValue}
           onChange={onStateChange}
           label={t('in_person_proofing.body.location.po_search.state_label')}
           disabled={disabled}
-        />
+        >
+          <option key="select" value="" disabled>
+            {t('in_person_proofing.form.address.state_prompt')}
+          </option>
+          {usStatesTerritories.map(([name, abbr]) => (
+            <option key={abbr} value={abbr}>
+              {name}
+            </option>
+          ))}
+        </SelectInput>
       </ValidatedField>
       <ValidatedField ref={validatedZipCodeFieldRef}>
         <TextInput
           required
           className="tablet:grid-col-5"
           ref={registerField('zip_code')}
-          value={zipCodeInput}
+          value={zipCodeValue}
           onChange={onZipCodeChange}
           label={t('in_person_proofing.body.location.po_search.zipcode_label')}
           disabled={disabled}
diff --git a/app/javascript/packages/document-capture/components/in-person-location-full-address-entry-post-office-search-step.spec.tsx b/app/javascript/packages/document-capture/components/in-person-location-full-address-entry-post-office-search-step.spec.tsx
index 6b14bb194a9..d61391e3e15 100644
--- a/app/javascript/packages/document-capture/components/in-person-location-full-address-entry-post-office-search-step.spec.tsx
+++ b/app/javascript/packages/document-capture/components/in-person-location-full-address-entry-post-office-search-step.spec.tsx
@@ -2,11 +2,13 @@ import { render } from '@testing-library/react';
 import userEvent from '@testing-library/user-event';
 import { I18n } from '@18f/identity-i18n';
 import { setupServer } from 'msw/node';
+import type { SetupServer } from 'msw/node';
 import { rest } from 'msw';
 import { SWRConfig } from 'swr';
 import { I18nContext } from '@18f/identity-react-i18n';
 import { ComponentType } from 'react';
 import { LOCATIONS_URL } from '@18f/identity-address-search';
+import { InPersonContext } from '../context';
 import InPersonLocationFullAddressEntryPostOfficeSearchStep from './in-person-location-full-address-entry-post-office-search-step';
 
 const USPS_RESPONSE = [
@@ -67,10 +69,17 @@ describe('InPersonLocationFullAddressEntryPostOfficeSearchStep', () => {
 
   it('renders the step', () => {
     const { getByRole } = render(
-      <InPersonLocationFullAddressEntryPostOfficeSearchStep {...DEFAULT_PROPS} />,
-      {
-        wrapper,
-      },
+      <InPersonContext.Provider
+        value={{
+          inPersonOutageMessageEnabled: false,
+          inPersonOutageExpectedUpdateDate: 'January 1, 2024',
+          inPersonFullAddressEntryEnabled: true,
+          usStatesTerritories: [['Delaware', 'DE']],
+        }}
+      >
+        <InPersonLocationFullAddressEntryPostOfficeSearchStep {...DEFAULT_PROPS} />,
+      </InPersonContext.Provider>,
+      { wrapper },
     );
 
     expect(getByRole('heading', { name: 'in_person_proofing.headings.po_search.location' }));
@@ -83,7 +92,16 @@ describe('InPersonLocationFullAddressEntryPostOfficeSearchStep', () => {
 
     it('displays a try again error message', async () => {
       const { findByText, findByLabelText } = render(
-        <InPersonLocationFullAddressEntryPostOfficeSearchStep {...DEFAULT_PROPS} />,
+        <InPersonContext.Provider
+          value={{
+            inPersonOutageMessageEnabled: false,
+            inPersonOutageExpectedUpdateDate: 'January 1, 2024',
+            inPersonFullAddressEntryEnabled: true,
+            usStatesTerritories: [['Delaware', 'DE']],
+          }}
+        >
+          <InPersonLocationFullAddressEntryPostOfficeSearchStep {...DEFAULT_PROPS} />,
+        </InPersonContext.Provider>,
         { wrapper },
       );
 
@@ -95,7 +113,7 @@ describe('InPersonLocationFullAddressEntryPostOfficeSearchStep', () => {
         await findByLabelText('in_person_proofing.body.location.po_search.city_label'),
         'Endeavor',
       );
-      await userEvent.type(
+      await userEvent.selectOptions(
         await findByLabelText('in_person_proofing.body.location.po_search.state_label'),
         'DE',
       );
@@ -115,10 +133,17 @@ describe('InPersonLocationFullAddressEntryPostOfficeSearchStep', () => {
 
   it('displays validation error messages to the user if fields are empty', async () => {
     const { findAllByText, findByText } = render(
-      <InPersonLocationFullAddressEntryPostOfficeSearchStep {...DEFAULT_PROPS} />,
-      {
-        wrapper,
-      },
+      <InPersonContext.Provider
+        value={{
+          inPersonOutageMessageEnabled: false,
+          inPersonOutageExpectedUpdateDate: 'January 1, 2024',
+          inPersonFullAddressEntryEnabled: true,
+          usStatesTerritories: [['Delaware', 'DE']],
+        }}
+      >
+        <InPersonLocationFullAddressEntryPostOfficeSearchStep {...DEFAULT_PROPS} />,
+      </InPersonContext.Provider>,
+      { wrapper },
     );
 
     await userEvent.click(
@@ -131,7 +156,16 @@ describe('InPersonLocationFullAddressEntryPostOfficeSearchStep', () => {
 
   it('displays no post office results if a successful search is followed by an unsuccessful search', async () => {
     const { findByText, findByLabelText, queryByRole } = render(
-      <InPersonLocationFullAddressEntryPostOfficeSearchStep {...DEFAULT_PROPS} />,
+      <InPersonContext.Provider
+        value={{
+          inPersonOutageMessageEnabled: false,
+          inPersonOutageExpectedUpdateDate: 'January 1, 2024',
+          inPersonFullAddressEntryEnabled: true,
+          usStatesTerritories: [['Delaware', 'DE']],
+        }}
+      >
+        <InPersonLocationFullAddressEntryPostOfficeSearchStep {...DEFAULT_PROPS} />,
+      </InPersonContext.Provider>,
       { wrapper },
     );
 
@@ -143,7 +177,7 @@ describe('InPersonLocationFullAddressEntryPostOfficeSearchStep', () => {
       await findByLabelText('in_person_proofing.body.location.po_search.city_label'),
       'Endeavor',
     );
-    await userEvent.type(
+    await userEvent.selectOptions(
       await findByLabelText('in_person_proofing.body.location.po_search.state_label'),
       'DE',
     );
@@ -171,7 +205,16 @@ describe('InPersonLocationFullAddressEntryPostOfficeSearchStep', () => {
 
   it('clicking search again after first results do not clear results', async () => {
     const { findAllByText, findByText, findByLabelText } = render(
-      <InPersonLocationFullAddressEntryPostOfficeSearchStep {...DEFAULT_PROPS} />,
+      <InPersonContext.Provider
+        value={{
+          inPersonOutageMessageEnabled: false,
+          inPersonOutageExpectedUpdateDate: 'January 1, 2024',
+          inPersonFullAddressEntryEnabled: true,
+          usStatesTerritories: [['Delaware', 'DE']],
+        }}
+      >
+        <InPersonLocationFullAddressEntryPostOfficeSearchStep {...DEFAULT_PROPS} />,
+      </InPersonContext.Provider>,
       { wrapper },
     );
 
@@ -183,7 +226,7 @@ describe('InPersonLocationFullAddressEntryPostOfficeSearchStep', () => {
       await findByLabelText('in_person_proofing.body.location.po_search.city_label'),
       'Endeavor',
     );
-    await userEvent.type(
+    await userEvent.selectOptions(
       await findByLabelText('in_person_proofing.body.location.po_search.state_label'),
       'DE',
     );
@@ -215,7 +258,17 @@ describe('InPersonLocationFullAddressEntryPostOfficeSearchStep', () => {
           })
         }
       >
-        <InPersonLocationFullAddressEntryPostOfficeSearchStep {...DEFAULT_PROPS} />
+        <InPersonContext.Provider
+          value={{
+            inPersonOutageMessageEnabled: false,
+            inPersonOutageExpectedUpdateDate: 'January 1, 2024',
+            inPersonFullAddressEntryEnabled: true,
+            usStatesTerritories: [['Delaware', 'DE']],
+          }}
+        >
+          <InPersonLocationFullAddressEntryPostOfficeSearchStep {...DEFAULT_PROPS} />,
+        </InPersonContext.Provider>
+        ,
       </I18nContext.Provider>,
       { wrapper },
     );
@@ -227,7 +280,7 @@ describe('InPersonLocationFullAddressEntryPostOfficeSearchStep', () => {
       await findByLabelText('in_person_proofing.body.location.po_search.city_label'),
       'Endeavor',
     );
-    await userEvent.type(
+    await userEvent.selectOptions(
       await findByLabelText('in_person_proofing.body.location.po_search.state_label'),
       'DE',
     );
@@ -266,7 +319,17 @@ describe('InPersonLocationFullAddressEntryPostOfficeSearchStep', () => {
           })
         }
       >
-        <InPersonLocationFullAddressEntryPostOfficeSearchStep {...DEFAULT_PROPS} />
+        <InPersonContext.Provider
+          value={{
+            inPersonOutageMessageEnabled: false,
+            inPersonOutageExpectedUpdateDate: 'January 1, 2024',
+            inPersonFullAddressEntryEnabled: true,
+            usStatesTerritories: [['Delaware', 'DE']],
+          }}
+        >
+          <InPersonLocationFullAddressEntryPostOfficeSearchStep {...DEFAULT_PROPS} />,
+        </InPersonContext.Provider>
+        ,
       </I18nContext.Provider>,
       { wrapper },
     );
@@ -279,7 +342,7 @@ describe('InPersonLocationFullAddressEntryPostOfficeSearchStep', () => {
       await findByLabelText('in_person_proofing.body.location.po_search.city_label'),
       'Endeavor',
     );
-    await userEvent.type(
+    await userEvent.selectOptions(
       await findByLabelText('in_person_proofing.body.location.po_search.state_label'),
       'DE',
     );
@@ -303,7 +366,16 @@ describe('InPersonLocationFullAddressEntryPostOfficeSearchStep', () => {
 
   it('allows user to select a location', async () => {
     const { findAllByText, findByLabelText, findByText, queryByText } = render(
-      <InPersonLocationFullAddressEntryPostOfficeSearchStep {...DEFAULT_PROPS} />,
+      <InPersonContext.Provider
+        value={{
+          inPersonOutageMessageEnabled: false,
+          inPersonOutageExpectedUpdateDate: 'January 1, 2024',
+          inPersonFullAddressEntryEnabled: true,
+          usStatesTerritories: [['Delaware', 'DE']],
+        }}
+      >
+        <InPersonLocationFullAddressEntryPostOfficeSearchStep {...DEFAULT_PROPS} />,
+      </InPersonContext.Provider>,
       { wrapper },
     );
     await userEvent.type(
@@ -314,7 +386,7 @@ describe('InPersonLocationFullAddressEntryPostOfficeSearchStep', () => {
       await findByLabelText('in_person_proofing.body.location.po_search.city_label'),
       'Endeavor',
     );
-    await userEvent.type(
+    await userEvent.selectOptions(
       await findByLabelText('in_person_proofing.body.location.po_search.state_label'),
       'DE',
     );
@@ -333,9 +405,6 @@ describe('InPersonLocationFullAddressEntryPostOfficeSearchStep', () => {
     await userEvent.clear(
       await findByLabelText('in_person_proofing.body.location.po_search.city_label'),
     );
-    await userEvent.clear(
-      await findByLabelText('in_person_proofing.body.location.po_search.state_label'),
-    );
     await userEvent.clear(
       await findByLabelText('in_person_proofing.body.location.po_search.zipcode_label'),
     );
diff --git a/app/javascript/packages/document-capture/components/in-person-location-full-address-entry-post-office-search-step.tsx b/app/javascript/packages/document-capture/components/in-person-location-full-address-entry-post-office-search-step.tsx
index e0506317236..c57dbd34c93 100644
--- a/app/javascript/packages/document-capture/components/in-person-location-full-address-entry-post-office-search-step.tsx
+++ b/app/javascript/packages/document-capture/components/in-person-location-full-address-entry-post-office-search-step.tsx
@@ -128,7 +128,7 @@ function InPersonLocationFullAddressEntryPostOfficeSearchStep({
         <InPersonLocations
           locations={locationResults}
           onSelect={handleLocationSelect}
-          address={foundAddress?.address || ''}
+          address={foundAddress.address || ''}
         />
       )}
       <BackButton role="link" includeBorder onClick={toPreviousStep} />
diff --git a/app/javascript/packages/document-capture/components/in-person-outage-alert.spec.tsx b/app/javascript/packages/document-capture/components/in-person-outage-alert.spec.tsx
index f69d556b7f0..f8440070c7a 100644
--- a/app/javascript/packages/document-capture/components/in-person-outage-alert.spec.tsx
+++ b/app/javascript/packages/document-capture/components/in-person-outage-alert.spec.tsx
@@ -11,6 +11,7 @@ describe('InPersonOutageAlert', () => {
           inPersonOutageExpectedUpdateDate: 'January 1, 2024',
           inPersonOutageMessageEnabled: true,
           inPersonFullAddressEntryEnabled: false,
+          usStatesTerritories: [],
         }}
       >
         <InPersonOutageAlert />
diff --git a/app/javascript/packages/document-capture/components/in-person-prepare-step.spec.tsx b/app/javascript/packages/document-capture/components/in-person-prepare-step.spec.tsx
index 4c6543b8056..933c97aa072 100644
--- a/app/javascript/packages/document-capture/components/in-person-prepare-step.spec.tsx
+++ b/app/javascript/packages/document-capture/components/in-person-prepare-step.spec.tsx
@@ -26,6 +26,7 @@ describe('InPersonPrepareStep', () => {
             inPersonOutageMessageEnabled: true,
             inPersonOutageExpectedUpdateDate: 'January 1, 2024',
             inPersonFullAddressEntryEnabled: false,
+            usStatesTerritories: [],
           }}
         >
           <InPersonPrepareStep {...DEFAULT_PROPS} />
@@ -38,7 +39,11 @@ describe('InPersonPrepareStep', () => {
     it('does not render a warning when the flag is disabled', () => {
       const { queryByText } = render(
         <InPersonContext.Provider
-          value={{ inPersonOutageMessageEnabled: false, inPersonFullAddressEntryEnabled: false }}
+          value={{
+            inPersonOutageMessageEnabled: false,
+            inPersonFullAddressEntryEnabled: false,
+            usStatesTerritories: [],
+          }}
         >
           <InPersonPrepareStep {...DEFAULT_PROPS} />
         </InPersonContext.Provider>,
diff --git a/app/javascript/packages/document-capture/context/in-person.ts b/app/javascript/packages/document-capture/context/in-person.ts
index d554fae3c55..818ada23e4c 100644
--- a/app/javascript/packages/document-capture/context/in-person.ts
+++ b/app/javascript/packages/document-capture/context/in-person.ts
@@ -20,11 +20,18 @@ export interface InPersonContextProps {
    * When true users must enter a full address when searching for a Post Office location
    */
   inPersonFullAddressEntryEnabled: boolean;
+
+  /**
+   * Collection of US states and territories
+   * Each item is [Long name, abbreviation], e.g. ['Ohio', 'OH']
+   */
+  usStatesTerritories: Array<[string, string]>;
 }
 
 const InPersonContext = createContext<InPersonContextProps>({
   inPersonOutageMessageEnabled: false,
   inPersonFullAddressEntryEnabled: false,
+  usStatesTerritories: [],
 });
 
 InPersonContext.displayName = 'InPersonContext';
diff --git a/app/javascript/packs/document-capture.tsx b/app/javascript/packs/document-capture.tsx
index 19f936a3685..d70821ccd6e 100644
--- a/app/javascript/packs/document-capture.tsx
+++ b/app/javascript/packs/document-capture.tsx
@@ -83,8 +83,14 @@ const {
   inPersonFullAddressEntryEnabled,
   inPersonOutageMessageEnabled,
   inPersonOutageExpectedUpdateDate,
+  usStatesTerritories = '',
 } = appRoot.dataset as DOMStringMap & AppRootData;
 
+let parsedUsStatesTerritories = [];
+try {
+  parsedUsStatesTerritories = JSON.parse(usStatesTerritories);
+} catch (e) {}
+
 const App = composeComponents(
   [MarketingSiteContextProvider, { helpCenterRedirectURL, securityAndPrivacyHowItWorksURL }],
   [DeviceContext.Provider, { value: device }],
@@ -96,6 +102,7 @@ const App = composeComponents(
         inPersonOutageMessageEnabled: inPersonOutageMessageEnabled === 'true',
         inPersonOutageExpectedUpdateDate,
         inPersonFullAddressEntryEnabled: inPersonFullAddressEntryEnabled === 'true',
+        usStatesTerritories: parsedUsStatesTerritories,
       },
     },
   ],
diff --git a/app/views/idv/shared/_document_capture.html.erb b/app/views/idv/shared/_document_capture.html.erb
index 204e8406a81..54a48fe0836 100644
--- a/app/views/idv/shared/_document_capture.html.erb
+++ b/app/views/idv/shared/_document_capture.html.erb
@@ -33,6 +33,7 @@
       in_person_full_address_entry_enabled: IdentityConfig.store.in_person_full_address_entry_enabled,
       in_person_outage_message_enabled: IdentityConfig.store.in_person_outage_message_enabled,
       in_person_outage_expected_update_date: IdentityConfig.store.in_person_outage_expected_update_date,
+      us_states_territories: us_states_territories,
     } %>
   <%= simple_form_for(
         :doc_auth,
diff --git a/spec/support/features/in_person_helper.rb b/spec/support/features/in_person_helper.rb
index cb7b884f0d8..01ed1149994 100644
--- a/spec/support/features/in_person_helper.rb
+++ b/spec/support/features/in_person_helper.rb
@@ -118,8 +118,7 @@ def search_for_post_office_with_full_address
             with: GOOD_ADDRESS1
     fill_in t('in_person_proofing.body.location.po_search.city_label'),
             with: GOOD_CITY
-    fill_in t('in_person_proofing.body.location.po_search.state_label'),
-            with: GOOD_STATE
+    select GOOD_STATE, from: t('in_person_proofing.form.state_id.identity_doc_address_state')
     fill_in t('in_person_proofing.body.location.po_search.zipcode_label'),
             with: GOOD_ZIPCODE
     click_spinner_button_and_wait(t('in_person_proofing.body.location.po_search.search_button'))