Petco is one of the largest pet retailers in the US, shipping food, litter, supplies, and prescription pet medications from its network of distribution centers and stores. Like most big retailers, it doesn't run its own doorstep delivery fleet — once an online order leaves a fulfillment center it travels on a national parcel carrier, and the tracking number you receive belongs to that carrier, not to Petco.
Petco ships home orders on FedEx, UPS, and USPS, and it picks the carrier for you based on your destination and the items in your order — heavier or bulkier items may be excluded from USPS, for example. You choose a shipping speed at checkout rather than a specific carrier, so a Petco order can arrive under any of the three, and two items from the same order can occasionally ship separately on different carriers, each with its own tracking number. Petco emails a tracking number once your order leaves the warehouse.
Petco also offers same-day delivery from local stores through delivery partners (Instacart, Shipt, DoorDash, and Uber Eats), which you follow in that partner's app rather than with a parcel tracking number; prescription medications ship separately through its pharmacy partner; and Repeat Delivery (Petco's autoship subscription) reuses these same carriers. This page lists the carriers and delivery methods behind Petco orders in 2025–2026 and how to recognize each tracking number. If you'd rather not guess which carrier's site to open, 24hTrack auto-detects the carrier from the number and follows the parcel in a single timeline.
One of the three national carriers Petco uses for ship-to-home orders, often FedEx Home Delivery for residential addresses. Petco assigns the carrier based on your destination and what's in the order, so you don't pick FedEx yourself — you choose a shipping speed at checkout. When FedEx carries your parcel, every scan is visible on FedEx tracking. Tracking numbers: FedEx Home Delivery and Ground numbers are all-numeric, commonly 12 or 15 digits; FedEx Express is a 12-digit number
A national carrier Petco uses on some orders depending on the fulfillment location, item, and destination. When UPS is assigned the parcel travels on the UPS network with scans available on UPS tracking. UPS is also the carrier for refrigerated prescription shipments (see Petco Pharmacy below). Tracking numbers: 18 characters — 1Z followed by 16 letters and digits
USPS carries many Petco shipments, typically lighter or smaller items, finishing on the USPS network with delivery scans on USPS tracking. Some orders can't go USPS because of weight, size, or dimensions, in which case Petco routes them to FedEx or UPS instead. The carrier and number appear in your Petco shipping confirmation. Tracking numbers: A 22-digit number that usually begins with 9 (USPS IMpb tracking)
Petco offers same-day delivery from local stores through third-party delivery platforms — Instacart, Shipt, DoorDash, and Uber Eats. These orders are picked at a nearby store and dropped at your door by the platform's driver, so you track them in that partner's app (or in your Petco order status), not with a FedEx, UPS, or USPS tracking number. This is a separate service from standard shipping and doesn't produce a parcel number to look up.
Prescription pet medications are filled by Petco's pharmacy partner and ship separately from the rest of your order, after your veterinarian approves the prescription — so a single Petco order can produce more than one tracking number. Most prescriptions ship standard ground and arrive a few days after approval; medications that must stay cold ship UPS Overnight in insulated packaging with a signature required, and refrigerated items can't be sent to some non-contiguous destinations. You track the shipment with the carrier tracking number in your confirmation, just like any other package.
Some items on Petco.com ship directly from third-party vendors rather than from Petco's own warehouses. These can take a bit longer to arrive and travel on whichever carrier the vendor uses (usually FedEx, UPS, or USPS), so the tracking number still belongs to a national carrier — paste it and 24hTrack detects which one.
Petco ships home orders on FedEx, UPS, and USPS, and it assigns the carrier for you based on your destination and the items in the order — heavier or larger items may be routed away from USPS, for example. You choose a shipping speed at checkout rather than a specific carrier, and Petco emails you the carrier's tracking number when the order ships. Same-day orders are delivered from local stores by a delivery partner (Instacart, Shipt, DoorDash, or Uber Eats) and tracked in that app instead.
There's no single 'Petco' number — it belongs to whichever carrier was assigned. A FedEx Home Delivery or Ground shipment is all-numeric, commonly 12 or 15 digits; a UPS shipment is 18 characters beginning with 1Z; a USPS number is a 22-digit number that usually starts with 9. Paste whichever number you have and 24hTrack will detect the carrier for you.
No. Petco assigns the carrier — FedEx, UPS, or USPS — based on your delivery address and what's in the order, and you select a shipping speed at checkout rather than a specific carrier. That's also why two items from the same order can occasionally arrive on different days or with different couriers, each carrying its own tracking number.
No. Petco doesn't run its own doorstep delivery fleet. Standard online orders are delivered by FedEx, UPS, or USPS, and same-day orders are delivered from local stores by third-party platforms (Instacart, Shipt, DoorDash, or Uber Eats). So the tracking you follow is either a carrier tracking number or the delivery partner's in-app tracking — there's no separate Petco-branded live truck map to watch.
Same-day delivery is fulfilled from a nearby Petco store by a delivery partner — Instacart, Shipt, DoorDash, or Uber Eats. You follow it in that partner's app or in your Petco order status, and it doesn't generate a FedEx, UPS, or USPS tracking number. Standard shipped orders are the ones that come with a carrier tracking number you can paste here.
Prescription pet medications are filled by Petco's pharmacy partner and ship separately from the rest of your order, after your vet approves the prescription — so a single order can generate more than one tracking number. Most prescriptions ship standard ground on the same national carriers; refrigerated medications ship UPS Overnight in insulated packaging with a signature required. You track them with the carrier tracking number in your Petco confirmation.
No. Repeat Delivery — Petco's autoship subscription — is a scheduling and savings program that automatically reorders the items you buy regularly at a discount, and you can skip, reschedule, or cancel anytime. It's not a carrier: Repeat Delivery orders are shipped by the same carriers (FedEx, UPS, or USPS) and tracked the same way as one-time orders.
No. Petco.com ships within the United States only — it doesn't ship internationally or to Canada, and it can't deliver to P.O. boxes. Some remote or non-contiguous destinations may have added restrictions, especially for refrigerated prescription items. If you're outside the U.S., you'd typically use a package-forwarding service rather than ordering directly.
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