diff --git a/sql/countries/france.pgsql b/sql/countries/france.pgsql
index 17ff944..88fc6b1 100644
--- a/sql/countries/france.pgsql
+++ b/sql/countries/france.pgsql
@@ -47,8 +47,8 @@ DECLARE
 	WEEKEND INTEGER[] := ARRAY[0, 6];
 	-- Provinces
 	PROVINCES TEXT[] := ARRAY[
-		'Métropole', 'Alsace-Moselle', 'Guadeloupe', 'Guyane', 'Martinique',
-		'Mayotte', 'Nouvelle-Calédonie', 'La Réunion', 'Polynésie Française',
+		'Métropole', 'Alsace-Moselle', 'Guadeloupe', 'Martinique', 'Guyane',
+		'La Réunion', 'Mayotte', 'Nouvelle-Calédonie', 'Polynésie Française',
 		'Saint-Barthélémy', 'Saint-Martin', 'Wallis-et-Futuna'
 	];
 	-- Primary Loop
@@ -61,6 +61,31 @@ DECLARE
 	t_holiday holidays.holiday%rowtype;
 
 BEGIN
+        IF p_province ~ '^[0-9]{5}$' THEN
+		-- set province from postal code
+                IF LEFT(p_province, 2) IN ('57', '67', '68') THEN
+			p_province := 'Alsace-Moselle';
+		ELSE
+			CASE LEFT(p_province, 3)
+				WHEN '971' THEN
+					IF p_province = '97133'
+						THEN p_province := 'Saint-Barthélémy';
+					ELSIF p_province = '97150'
+						THEN p_province := 'Saint-Martin';
+					ELSE p_province := 'Guadeloupe';
+					END IF;
+				WHEN '972' THEN p_province := 'Martinique';
+				WHEN '973' THEN p_province := 'Guyane';
+				WHEN '974' THEN p_province := 'La Réunion';
+				WHEN '976' THEN p_province := 'Mayotte';
+				WHEN '988' THEN p_province := 'Nouvelle-Calédonie';
+				WHEN '987' THEN p_province := 'Polynésie Française';
+				WHEN '986' THEN p_province := 'Wallis-et-Futuna';
+				ELSE p_province := 'Métropole';
+			END CASE;
+		END IF;
+	END IF;
+
 	FOREACH t_year IN ARRAY t_years
 	LOOP
 		-- Defaults for additional attributes
@@ -245,4 +270,4 @@ BEGIN
 	END LOOP;
 END;
 
-$$ LANGUAGE plpgsql;
\ No newline at end of file
+$$ LANGUAGE plpgsql;
diff --git a/test/expected/french_holiday_with_postal_code.out b/test/expected/french_holiday_with_postal_code.out
new file mode 100644
index 0000000..44d05ef
--- /dev/null
+++ b/test/expected/french_holiday_with_postal_code.out
@@ -0,0 +1,67 @@
+BEGIN
+CREATE EXTENSION
+ datestamp  |       reference       |    description     | authority | day_off | observation_shifted | start_time | end_time 
+------------+-----------------------+--------------------+-----------+---------+---------------------+------------+----------
+ 01-01-2023 | New Year's Day        | Jour de l'an       | national  | t       | f                   | 00:00:00   | 24:00:00
+ 05-01-2023 | Labour Day            | Fête du Travail    | national  | t       | f                   | 00:00:00   | 24:00:00
+ 05-08-2023 | Victory in Europe Day | Armistice 1945     | national  | t       | f                   | 00:00:00   | 24:00:00
+ 07-14-2023 | Bastille Day          | Fête nationale     | national  | t       | f                   | 00:00:00   | 24:00:00
+ 11-11-2023 | Remembrance Day       | Armistice 1918     | national  | t       | f                   | 00:00:00   | 24:00:00
+ 04-10-2023 | Easter Monday         | Lundi de Pâques    | national  | t       | f                   | 00:00:00   | 24:00:00
+ 05-29-2023 | Pentecost             | Lundi de Pentecôte | national  | t       | f                   | 00:00:00   | 24:00:00
+ 05-18-2023 | Ascension             | Ascension          | national  | t       | f                   | 00:00:00   | 24:00:00
+ 08-15-2023 | Assumption            | Assomption         | national  | t       | f                   | 00:00:00   | 24:00:00
+ 11-01-2023 | All Saints' Day       | Toussaint          | national  | t       | f                   | 00:00:00   | 24:00:00
+ 12-25-2023 | Christmas Day         | Noël               | national  | t       | f                   | 00:00:00   | 24:00:00
+(11 lignes)
+
+ datestamp  |       reference       |    description     | authority | day_off | observation_shifted | start_time | end_time 
+------------+-----------------------+--------------------+-----------+---------+---------------------+------------+----------
+ 01-01-2023 | New Year's Day        | Jour de l'an       | national  | t       | f                   | 00:00:00   | 24:00:00
+ 05-01-2023 | Labour Day            | Fête du Travail    | national  | t       | f                   | 00:00:00   | 24:00:00
+ 05-08-2023 | Victory in Europe Day | Armistice 1945     | national  | t       | f                   | 00:00:00   | 24:00:00
+ 07-14-2023 | Bastille Day          | Fête nationale     | national  | t       | f                   | 00:00:00   | 24:00:00
+ 11-11-2023 | Remembrance Day       | Armistice 1918     | national  | t       | f                   | 00:00:00   | 24:00:00
+ 04-10-2023 | Easter Monday         | Lundi de Pâques    | national  | t       | f                   | 00:00:00   | 24:00:00
+ 05-29-2023 | Pentecost             | Lundi de Pentecôte | national  | t       | f                   | 00:00:00   | 24:00:00
+ 05-18-2023 | Ascension             | Ascension          | national  | t       | f                   | 00:00:00   | 24:00:00
+ 08-15-2023 | Assumption            | Assomption         | national  | t       | f                   | 00:00:00   | 24:00:00
+ 11-01-2023 | All Saints' Day       | Toussaint          | national  | t       | f                   | 00:00:00   | 24:00:00
+ 12-25-2023 | Christmas Day         | Noël               | national  | t       | f                   | 00:00:00   | 24:00:00
+(11 lignes)
+
+ datestamp  |        reference        |      description      | authority | day_off | observation_shifted | start_time | end_time 
+------------+-------------------------+-----------------------+-----------+---------+---------------------+------------+----------
+ 01-01-2023 | New Year's Day          | Jour de l'an          | national  | t       | f                   | 00:00:00   | 24:00:00
+ 05-01-2023 | Labour Day              | Fête du Travail       | national  | t       | f                   | 00:00:00   | 24:00:00
+ 05-08-2023 | Victory in Europe Day   | Armistice 1945        | national  | t       | f                   | 00:00:00   | 24:00:00
+ 07-14-2023 | Bastille Day            | Fête nationale        | national  | t       | f                   | 00:00:00   | 24:00:00
+ 11-11-2023 | Remembrance Day         | Armistice 1918        | national  | t       | f                   | 00:00:00   | 24:00:00
+ 04-07-2023 | Good Friday             | Vendredi saint        | national  | t       | f                   | 00:00:00   | 24:00:00
+ 04-10-2023 | Easter Monday           | Lundi de Pâques       | national  | t       | f                   | 00:00:00   | 24:00:00
+ 05-29-2023 | Pentecost               | Lundi de Pentecôte    | national  | t       | f                   | 00:00:00   | 24:00:00
+ 05-18-2023 | Ascension               | Ascension             | national  | t       | f                   | 00:00:00   | 24:00:00
+ 08-15-2023 | Assumption              | Assomption            | national  | t       | f                   | 00:00:00   | 24:00:00
+ 11-01-2023 | All Saints' Day         | Toussaint             | national  | t       | f                   | 00:00:00   | 24:00:00
+ 12-25-2023 | Christmas Day           | Premier jour de Noël  | national  | t       | f                   | 00:00:00   | 24:00:00
+ 12-26-2023 | Second Day of Christmas | Deuxième jour de Noël | national  | t       | f                   | 00:00:00   | 24:00:00
+(13 lignes)
+
+ datestamp  |        reference        |      description      | authority | day_off | observation_shifted | start_time | end_time 
+------------+-------------------------+-----------------------+-----------+---------+---------------------+------------+----------
+ 01-01-2023 | New Year's Day          | Jour de l'an          | national  | t       | f                   | 00:00:00   | 24:00:00
+ 05-01-2023 | Labour Day              | Fête du Travail       | national  | t       | f                   | 00:00:00   | 24:00:00
+ 05-08-2023 | Victory in Europe Day   | Armistice 1945        | national  | t       | f                   | 00:00:00   | 24:00:00
+ 07-14-2023 | Bastille Day            | Fête nationale        | national  | t       | f                   | 00:00:00   | 24:00:00
+ 11-11-2023 | Remembrance Day         | Armistice 1918        | national  | t       | f                   | 00:00:00   | 24:00:00
+ 04-07-2023 | Good Friday             | Vendredi saint        | national  | t       | f                   | 00:00:00   | 24:00:00
+ 04-10-2023 | Easter Monday           | Lundi de Pâques       | national  | t       | f                   | 00:00:00   | 24:00:00
+ 05-29-2023 | Pentecost               | Lundi de Pentecôte    | national  | t       | f                   | 00:00:00   | 24:00:00
+ 05-18-2023 | Ascension               | Ascension             | national  | t       | f                   | 00:00:00   | 24:00:00
+ 08-15-2023 | Assumption              | Assomption            | national  | t       | f                   | 00:00:00   | 24:00:00
+ 11-01-2023 | All Saints' Day         | Toussaint             | national  | t       | f                   | 00:00:00   | 24:00:00
+ 12-25-2023 | Christmas Day           | Premier jour de Noël  | national  | t       | f                   | 00:00:00   | 24:00:00
+ 12-26-2023 | Second Day of Christmas | Deuxième jour de Noël | national  | t       | f                   | 00:00:00   | 24:00:00
+(13 lignes)
+
+ROLLBACK
diff --git a/test/sql/french_holiday_with_postal_code.sql b/test/sql/french_holiday_with_postal_code.sql
new file mode 100644
index 0000000..3ee09a7
--- /dev/null
+++ b/test/sql/french_holiday_with_postal_code.sql
@@ -0,0 +1,13 @@
+BEGIN;
+
+CREATE EXTENSION holidays;
+
+SELECT * FROM holidays.by_country ('FR'::text, 2023, 2023, '14610');
+
+SELECT * FROM holidays.by_country ('FR'::text, 2023, 2023, 'Basse Normandie');
+
+SELECT * FROM holidays.by_country ('FR'::text, 2023, 2023, '67270');
+
+SELECT * FROM holidays.by_country ('FR'::text, 2023, 2023, 'Alsace-Moselle');
+
+ROLLBACK;