Average GPS coordinates for Waukesha Postcode location: 42.996, -88.272. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Waukesha on map:

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Listing cities & postcodes (4):
>> Wisconsin, 53186 Waukesha, Waukesha, GPS coordinates: 42.9993,-88.2196
>> Wisconsin, 53187 Waukesha, Waukesha, GPS coordinates: 43.0187,-88.303
>> Wisconsin, 53188 Waukesha, Waukesha, GPS coordinates: 43.0128,-88.2705
>> Wisconsin, 53189 Waukesha, Waukesha, GPS coordinates: 42.9516,-88.2963