Template:Philippine congressional districts in Region I

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v t e Congressional districts for the House of Representatives of the Philippines in the Ilocos Region
Ilocos Norte	At-large* 1st 2nd
Ilocos Sur	At-large* 1st 2nd 3rd*
La Union	At-large* 1st 2nd
Pangasinan	At-large* 1st 2nd 3rd 4th 5th 6th
Region I	At-large*
Districts marked with asterisks (*) are defunct. Districts per region I II III IV-A V VI VII VIII IX X XI XII XIII BARMM CAR Mimaropa NCR