diff --git a/icu4c/source/common/uloc.c b/icu4c/source/common/uloc.c
index a33805a66eb..7a1b54282f5 100644
--- a/icu4c/source/common/uloc.c
+++ b/icu4c/source/common/uloc.c
@@ -1,6 +1,6 @@
 /*
 **********************************************************************
-*   Copyright (C) 1997-2006, International Business Machines
+*   Copyright (C) 1997-2007, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 **********************************************************************
 *
@@ -2002,6 +2002,24 @@ uloc_getLCID(const char* localeID)
     return uprv_convertToLCID(langID, localeID, &status);
 }
 
+U_CAPI int32_t U_EXPORT2
+uloc_getLocaleForLCID(uint32_t hostid, char *locale, int32_t localeCapacity,
+                UErrorCode *status)
+{
+    const char *posix = uprv_convertToPosix(hostid, status);
+    if (U_FAILURE(*status) || posix == NULL) {
+        return 0;
+    }
+    int32_t length = uprv_strlen(posix);
+    if (length+1 > localeCapacity) {
+        *status = U_BUFFER_OVERFLOW_ERROR;
+    }
+    else {
+        uprv_strcpy(locale, posix);
+    }
+    return length;
+}
+
 /* ### Default locale **************************************************/
 
 U_CAPI const char*  U_EXPORT2
diff --git a/icu4c/source/common/unicode/uloc.h b/icu4c/source/common/unicode/uloc.h
index 61b70607866..2912f6770ef 100644
--- a/icu4c/source/common/unicode/uloc.h
+++ b/icu4c/source/common/unicode/uloc.h
@@ -1,6 +1,6 @@
 /*
 **********************************************************************
-*   Copyright (C) 1997-2006, International Business Machines
+*   Copyright (C) 1997-2007, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 **********************************************************************
 *
@@ -910,6 +910,22 @@ uloc_acceptLanguage(char *result, int32_t resultAvailable,
                     UErrorCode *status);
 
 
+/**
+ * Gets the ICU locale ID for the specified Win32 LCID value.
+ *
+ * @param hostID the Win32 LCID to translate
+ * @param locale the output buffer for the ICU locale ID, which will be NUL-terminated
+ *  if there is room.
+ * @param localeCapacity the size of the output buffer
+ * @param status an error is returned if the LCID is unrecognized or the output buffer
+ *  is too small
+ * @return actual the actual size of the locale ID, not including NUL-termination 
+ * @draft ICU 3.8
+ */
+U_DRAFT int32_t U_EXPORT2
+uloc_getLocaleForLCID(uint32_t hostid, char *locale, int32_t localeCapacity,
+                    UErrorCode *status);
+
 #endif /*_ULOC*/
 
 
diff --git a/icu4c/source/test/cintltst/cloctst.c b/icu4c/source/test/cintltst/cloctst.c
index 73ca071f3b7..49ee6e1f45c 100644
--- a/icu4c/source/test/cintltst/cloctst.c
+++ b/icu4c/source/test/cintltst/cloctst.c
@@ -227,6 +227,7 @@ void addLocaleTest(TestNode** root)
     TESTCASE(TestUResourceBundle);
     TESTCASE(TestDisplayName); 
     TESTCASE(TestAcceptLanguage); 
+    TESTCASE(TestGetLocaleForLCID);
 }
 
 
@@ -2626,3 +2627,90 @@ static void TestDisplayName() {
     }
 }
 
+static void TestGetLocaleForLCID() {
+    int32_t i, length, lengthPre;
+    const char* testLocale = 0;
+    UErrorCode status = U_ZERO_ERROR;
+    const char* temp;
+    char            temp2[40], temp3[40];
+    uint32_t lcid;
+    
+    lcid = uloc_getLCID("en_US");
+    if (lcid != 0x0409) {
+        log_err("  uloc_getLCID(\"en_US\") = %d, expected 0x0409\n", lcid);
+    }
+    
+    lengthPre = uloc_getLocaleForLCID(lcid, temp2, 4, &status);
+    if (status != U_BUFFER_OVERFLOW_ERROR) {
+        log_err("  unexpected result from uloc_getLocaleForLCID with small buffer: %s\n", u_errorName(status));
+    }
+    else {
+        status = U_ZERO_ERROR;
+    }
+    
+    length = uloc_getLocaleForLCID(lcid, temp2, sizeof(temp2)/sizeof(char), &status);
+    if (U_FAILURE(status)) {
+        log_err("  unexpected result from uloc_getLocaleForLCID(0x0409): %s\n", u_errorName(status));
+        status = U_ZERO_ERROR;
+    }
+    
+    if (length != lengthPre) {
+        log_err("  uloc_getLocaleForLCID(0x0409): returned length %d does not match preflight length %d\n", length, lengthPre);
+    }
+    
+    length = uloc_getLocaleForLCID(0x12345, temp2, sizeof(temp2)/sizeof(char), &status);
+    if (U_SUCCESS(status)) {
+        log_err("  unexpected result from uloc_getLocaleForLCID(0x12345): %s, status %s\n", temp2, u_errorName(status));
+    }
+    status = U_ZERO_ERROR;
+    
+    log_verbose("Testing getLocaleForLCID vs. locale data\n");
+    for (i = 0; i < LOCALE_SIZE; i++) {
+        
+        testLocale=rawData2[NAME][i];
+        
+        log_verbose("Testing   %s ......\n", testLocale);
+        
+        sscanf(rawData2[LCID][i], "%x", &lcid);
+        length = uloc_getLocaleForLCID(lcid, temp2, sizeof(temp2)/sizeof(char), &status);
+        if (U_FAILURE(status)) {
+            log_err("  unexpected failure of uloc_getLocaleForLCID(%#04x), status %s\n", lcid, u_errorName(status));
+            status = U_ZERO_ERROR;
+            continue;
+        }
+        
+        if (length != uprv_strlen(temp2)) {
+            log_err("  returned length %d not correct for uloc_getLocaleForLCID(%#04x), expected %d\n", length, lcid, uprv_strlen(temp2));
+        }
+        
+        /* Compare language, country, script */
+        length = uloc_getLanguage(temp2, temp3, sizeof(temp3)/sizeof(char), &status);
+        if (U_FAILURE(status)) {
+            log_err("  couldn't get language in uloc_getLocaleForLCID(%#04x) = %s, status %s\n", lcid, temp2, u_errorName(status));
+            status = U_ZERO_ERROR;
+        }
+        else if (uprv_strcmp(temp3, rawData2[LANG][i]) && !(uprv_strcmp(temp3, "nn") == 0 && uprv_strcmp(rawData2[VAR][i], "NY") == 0)) {
+            log_err("  language doesn't match expected %s in in uloc_getLocaleForLCID(%#04x) = %s\n", rawData2[LANG][i], lcid, temp2);
+        }
+        
+        length = uloc_getScript(temp2, temp3, sizeof(temp3)/sizeof(char), &status);
+        if (U_FAILURE(status)) {
+            log_err("  couldn't get script in uloc_getLocaleForLCID(%#04x) = %s, status %s\n", lcid, temp2, u_errorName(status));
+            status = U_ZERO_ERROR;
+        }
+        else if (uprv_strcmp(temp3, rawData2[SCRIPT][i])) {
+            log_err("  script doesn't match expected %s in in uloc_getLocaleForLCID(%#04x) = %s\n", rawData2[SCRIPT][i], lcid, temp2);
+        }
+        
+        length = uloc_getCountry(temp2, temp3, sizeof(temp3)/sizeof(char), &status);
+        if (U_FAILURE(status)) {
+            log_err("  couldn't get country in uloc_getLocaleForLCID(%#04x) = %s, status %s\n", lcid, temp2, u_errorName(status));
+            status = U_ZERO_ERROR;
+        }
+        else if (uprv_strlen(rawData2[CTRY][i]) && uprv_strcmp(temp3, rawData2[CTRY][i])) {
+            log_err("  country doesn't match expected %s in in uloc_getLocaleForLCID(%#04x) = %s\n", rawData2[CTRY][i], lcid, temp2);
+        }
+    }
+    
+}
+
diff --git a/icu4c/source/test/cintltst/cloctst.h b/icu4c/source/test/cintltst/cloctst.h
index bc098b70fb8..c82fa356aed 100644
--- a/icu4c/source/test/cintltst/cloctst.h
+++ b/icu4c/source/test/cintltst/cloctst.h
@@ -1,6 +1,6 @@
 /********************************************************************
  * COPYRIGHT: 
- * Copyright (c) 1997-2006, International Business Machines Corporation and
+ * Copyright (c) 1997-2007, International Business Machines Corporation and
  * others. All Rights Reserved.
  ********************************************************************/
 /********************************************************************************
@@ -73,6 +73,9 @@ static  void TestDisplayNames(void);
  /* Test warning for no data in getDisplay* */
  static void TestDisplayNameWarning(void);
 
+ /* Test uloc_getLocaleForLCID */
+ static void TestGetLocaleForLCID(void);
+
 /**
  * routine to perform subtests, used by TestDisplayNames
  */