reverse geocoding

i have got a database with the following fields
PZ_Postcode PZ_IntroductionDate PZ_GridRefEast
PZ_GridRefNorth PZ_County PZ_District PZ_Ward
PZ_UserType PZ_GridStatus PZ_Country PZ_WardStatus
PZ_NHS_Code PZ_NHS_Region PZ_Long PZ_Lat
PZ_OSRef PZ_Update
sample data:
AB101AA 20070339 39420 80630 0 QA
MH 1 1 179 1 SN9 S00 -2.097472
57.147616 NJ9420006300 08/07/2009 00:00

can i use this in getting appropriate location ? how can i use this
with google maps ??

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