Average GPS coordinates for Rosemead Postcode location: 33.88, -118.228. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Rosemead on map:

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Listing cities & postcodes (3):
>> California, 91770 Rosemead, Los Angeles, GPS coordinates: 34.0658,-118.0853
>> California, 91771 Rosemead, Los Angeles, GPS coordinates: 33.7866,-118.2987
>> California, 91772 Rosemead, Los Angeles, GPS coordinates: 33.7866,-118.2987