BIR RDO Code of West Bulacan: Everything You Need to Know

RDO Code: 25A (renamed RDO West Bulacan)

RDO: West Bulacan

This RDO is located in Guiguinto, a 1st class municipality in the province of Bulacan.

In this article, you’ll find all the essential information about your RDO (Revenue District Office). Knowing your RDO Code is important because it’s where your tax is registered and it’s where you can process different transactions under the scope of BIR (Bureau of Internal Revenue).

Office Location: BIR Bldg., Bypass Road, Tiaong, 3015 Guiguinto, Bulacan, Philippines.

Note: Both RDO 25A and RDO 25B have been transferred to the same building and renamed RDO West Bulacan and RDO East Bulacan1, respectively.

Contact Information:

  1. Direct Number: (044) 670-2402
  2. Fax Number: (044) 670-1612
  3. Email Address: [email protected]

Areas of Jurisdiction:

  • Balagtas
  • Baliuag
  • Bocaue
  • Bulacan
  • Bustos
  • Calumpit
  • Guiguinto
  • Hagonoy
  • Pandi
  • Paombong
  • Plaridel
  • Pulilan
  • Malolos City

Go back to the main article: BIR RDO Codes: Updated List of Revenue District Offices 



  1. BIR renames two RDOs in Bulacan to avoid confusion. (2020). Retrieved 23 August 2021, from