Check out where is your precinct and other registration information at COMELEC’s website.  The first name, middle name, last name, and date of birth is required to start searching for the data. 

*According to the site, the data on the site is based on the submissions of the field election offices after the 16 November 2009 ERB hearing. If you applied for registration last December 21, 22, 23, 28 and 29, 2009 your record is not yet included there.*

Here are some tips in using the engine:

Tips for Using PRECINCT FINDER: 

        1. Fill in all NAME fields completely as you indicated in your Application Form for registration.

        2. Do not type just your MIDDLE INITIAL if you indicated your complete MIDDLE NAME during registration. 

        3. In case encoding errors may have been committed by your local COMELEC office:

                a. If your name contains a JR, SR, II, III, IV, etc., try several variations of typing your name, as follows: 

                    i. in the FIRST NAME field after your first name, such as JUAN JR.

                   ii. in the LAST NAME field after your last name, such as DELA CRUZ JR.

                  iii. with a period, such as JR.

                  iv. without a period, such as JR

                   v. with a comma and period, Such as JUAN, JR. or JUAN JR.,

                  vi. with two (or three) spaces in between, such as JUAN  JR. or JUAN   JR.

                 vii. a combination of the above-mentioned variations.

                b. If your name contains MA. or MARIA, try both variations in the FIRST NAME field. 

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Here is the link to the site:  http://www.comelec.gov.ph/precinctfinder/precinctfinder.aspx