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diff --git a/java/src/com/android/i18n/phonenumbers/ShortNumberUtil.java b/java/src/com/android/i18n/phonenumbers/ShortNumberUtil.java
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+++ b/java/src/com/android/i18n/phonenumbers/ShortNumberUtil.java
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+/*
+ * Copyright (C) 2011 The Libphonenumber Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.i18n.phonenumbers;
+
+import com.android.i18n.phonenumbers.Phonemetadata.PhoneNumberDesc;
+
+import java.util.regex.Pattern;
+
+/*
+ * Utility for international short phone numbers, such as short codes and emergency numbers. Note
+ * most commercial short numbers are not handled here, but by the PhoneNumberUtil.
+ *
+ * @author Shaopeng Jia
+ */
+public class ShortNumberUtil {
+
+  private final PhoneNumberUtil phoneUtil;
+
+  public ShortNumberUtil() {
+    phoneUtil = PhoneNumberUtil.getInstance();
+  }
+
+  // @VisibleForTesting
+  ShortNumberUtil(PhoneNumberUtil util) {
+    phoneUtil = util;
+  }
+
+  /**
+   * Returns true if the number might be used to connect to an emergency service in the given
+   * region.
+   *
+   * This method takes into account cases where the number might contain formatting, or might have
+   * additional digits appended (when it is okay to do that in the region specified).
+   *
+   * @param number  the phone number to test
+   * @param regionCode  the region where the phone number is being dialed
+   * @return  if the number might be used to connect to an emergency service in the given region.
+   */
+  public boolean connectsToEmergencyNumber(String number, String regionCode) {
+    number = PhoneNumberUtil.extractPossibleNumber(number);
+    if (PhoneNumberUtil.PLUS_CHARS_PATTERN.matcher(number).lookingAt()) {
+      // Returns false if the number starts with a plus sign. We don't believe dialing the country
+      // code before emergency numbers (e.g. +1911) works, but later, if that proves to work, we can
+      // add additional logic here to handle it.
+      return false;
+    }
+    String normalizedNumber = PhoneNumberUtil.normalizeDigitsOnly(number);
+    PhoneNumberDesc emergencyNumberDesc = phoneUtil.getMetadataForRegion(regionCode).getEmergency();
+    Pattern emergencyNumberPattern =
+        Pattern.compile(emergencyNumberDesc.getNationalNumberPattern());
+    if (regionCode.equals("BR")) {
+      // This is to prevent Brazilian local numbers which start with 911 being incorrectly
+      // classified as emergency numbers. In Brazil, it is impossible to append additional digits to
+      // an emergency number to dial the number.
+      if (!emergencyNumberPattern.matcher(normalizedNumber).matches()) {
+        return false;
+      }
+    }
+
+    // Check the prefix against possible emergency numbers for this region.
+    return emergencyNumberPattern.matcher(normalizedNumber).lookingAt();
+  }
+}