diff --git a/experimental/gpafp-replace-space-separator.php b/experimental/gpafp-replace-space-separator.php
new file mode 100644
index 000000000..0012f2a65
--- /dev/null
+++ b/experimental/gpafp-replace-space-separator.php
@@ -0,0 +1,15 @@
+<?php
+/**
+ * Gravity Perks // Advanced Phone Field // Replace the space separator.
+ * https://gravitywiz.com/documentation/gravity-forms-advanced-phone-field/
+ *
+ * When the phone[nationalNumberFormatted] modifier is used, it seperates the phone number with a space.
+ * This snippet allows you to change the space seperator.
+ */
+add_filter( 'gpapf_merge_tag_value', function( $text, $modifiers ) {
+	if ( $modifiers['phone'] == 'nationalNumberFormatted' ) {
+		// Update '-' to any character you want to use as the seperator.
+		$text = str_replace( ' ', '-', $text );
+	}
+	return $text;
+}, 10, 2 );