Average GPS coordinates for Poplar Postcode location: 51.511, -0.016. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Poplar on map:

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Listing cities & postcodes (1):
>> London, E14 Poplar, England, GPS coordinates: 51.5111,-0.0157