java - Finding User Address From Their Phone Number -


i working on automobile web portal (basically web application selling/buying used cars). application developed in java using spring-mvc.

for application scrapping data 80-90 car forums can display data these forums on our local site. each post in these forums scrapped, need seller address (where seller 1 posted car on forum). while scrapping data these forums, in many cases address, in others don't. need seller address in many post can , in anyway can. thought apply alternative this.

the alternate solution thought that, when don't seller address phone number instead , convert corresponding address. problem after getting seller phone number, not able find suitable way map address. know of free(which prefer) java-api achieve this?

what have found till http://www.allareacodes.com/. site offering database downloaded @ $29, , claiming provide not complete address. sample data shown in following table. mapping area_code city , not complete phone number (but can managed, need map phone numbers). main problem 1 don't offer complete address , ask $29. don't want waste our $29 if there better solution free.

area_code   primary_city    state   timezone 202         washington       dc     eastern 203         new haven        ct     eastern 204         saint claude     mb     central 205         birmingham       al     central 206         seattle          wa     pacific

any appreciated.

let know if need more detail?

edit 1:

as pointed out in comment cannot rely on area_code people take out cell phones distant area codes.

also seeing google link given in first answer, see multiple cities associated 1 area_code. 1 more problem.

as comment said, can not depend on area code person geo location, find lot of people live in place , area code different, way google have area code services may can use it, link https://www.google.com/fusiontables/datasource?docid=1tg2mkyjgb3j5i03fqskqsq8foq6lh5knfagfo9i#rows:id=1


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