Cheapest shipping from the Castaic Post Office area

Retail Hours

Services at Castaic Post Office

Parking lot available. Here's what you can do at this location:

Carrier Services: Postal carriers deliver and pick up mail and packages along routes serving homes and businesses in this area. You can schedule a free package pickup from your address.
Label Broker: For online sellers: give your customers a Label Broker ID or QR code so they can print a prepaid USPS return label at this post office — no printer needed.
Priority Mail International: Affordable international shipping with delivery in 6–10 business days to most countries. Includes tracking and insurance up to $200.

Accountable Mail Pickup: Pick up items that require a signature: Certified Mail, Registered Mail, Collect on Delivery, insured packages, and Signature Confirmation items.
Hold Mail Pickup: Pick up mail that USPS has been holding while you were away. You can request a hold for up to 30 days through usps.com or at the counter.
Package Pickup (Notice Left): Pick up a package that couldn't be delivered — the carrier left a slip at your door. Bring the notice and a valid ID.
PO Box (Online Management): Rent a PO Box and manage billing online. A PO Box gives you a secure, private mailing address — useful if you run a business or want to separate personal and business mail.

Passport Applications (By Appointment): Apply for a new passport or renew an expired one. Appointments are required — schedule at usps.com. Bring your documents, photos, and payment.
Passport Photos: Get a compliant passport photo taken on-site. The photo meets all U.S. Department of State requirements so your application won't be delayed.

Domestic Money Orders: Purchase money orders up to $1,000 each — a secure way to send payments without a bank account. Accepted nearly everywhere and traceable if lost.
Money Order Inquiries: If a money order is missing, lost, or stolen, you can file an inquiry here. Bring your receipt — USPS can trace and replace it.
International Money Orders: Send money orders to other countries through the USPS international network. Available for select countries with limits that vary by destination.

Business Reply Mail Account: Manage your Business Reply Mail account balance. BRM lets your customers mail back responses postage-free — you pay only for what's returned.
New Business Reply Mail Permits: Set up a Business Reply Mail permit so customers can respond to your mailings without paying postage.

Burial Flags for Veterans: Eligible veterans and their families can receive a U.S. flag to drape over the casket at no cost. Bring a completed VA Form 27-2008.
Customer Service Referrals: Staff can help answer questions or direct you to the right resource for issues with mail delivery, address changes, or other USPS services.
Federal Duck Stamps: Purchase a Migratory Bird Hunting and Conservation Stamp — required for waterfowl hunting in addition to a state license. Proceeds fund wetland conservation.
Greeting Cards with Postage: Buy greeting cards that already include postage — write your message, address it, and drop it in the mail. No stamps needed.

Castaic Post Office