Specific sites to secure Secretary of State lists of candidates filed to run in Congressional, State Senate and House races…

For the upcoming Republican/Democatic Primaries:

• Democratic Party:  http://www.txdemocrats.org/thepartyinsider/
• Republican Party:  http://candidates.texasgop.org/

The Texas Tribune is running a daily update on candidate filings.
This is an easy site to use.

• http://www.texastribune.org/election-2012/

How to find my lawmaker(s) by address & zipcode:
Texas Legislature Online

• http://www.legis.state.tx.us/
• Scroll down to “Who Represents me?”

For a list of zip codes in each Texas Senate or House district:

• http://www.fyi.legis.state.tx.us/fyiwebdocs/PDF/house/dist109/r9.pdf
• Change "house" to "senate" and district number as appropriate.

For a list of zip codes in each U.S. Congressional district in Texas:

• http://www.fyi.legis.state.tx.us/fyiwebdocs/PDF/congress/dist6/r9.pdf
• Change district number as appropriate.

Date for primary - March 6, 2012

Date for run-off – May 22, 2012

Date for General Election – November 6, 2012