Datatype

Hi experts,

i have a address col, in that i have PIN, what datatype i need to take in order to avoid

that following : ex:405,001, and 502,006 in place of 405001 and 502006

and same as for mobile no: field its stores : 98,145,612,58 in place of 9814561258

thank you ,,

any help on this issue

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vijai