NOM Numbers Explained: How to Find Out Who Really Makes Your Tequila

TL;DR: Every legal bottle of tequila carries a four-digit "NOM" number on its label. It identifies the exact distillery where the liquid was made — not the brand, not the marketing story, the actual factory. Many brands you think are "independent" are bottled at the same handful of mega-distilleries. Knowing how to read a NOM lets you shop with real information instead of a label design.

If you've ever flipped a tequila bottle around and noticed a small "NOM ####" printed near the barcode, you've already seen it — you just didn't know what it was telling you. That number is one of the most useful (and most overlooked) tools for buying better tequila.

What Does NOM Actually Stand For?

NOM stands for Norma Oficial Mexicana — literally, "Official Mexican Standard." It's part of the regulatory framework the Mexican government uses to control how tequila is made, labeled, and verified as authentic. The specific standard governing tequila production is known as NOM-006, which has been updated several times since the early 1990s to tighten quality and labeling requirements.

In practice, when people say "NOM" in the tequila world, they're not talking about the standard itself — they're talking about the four-digit distillery ID number that standard requires every bottle to carry.

What Does the Four-Digit Number Mean?

The number that follows "NOM" on a label is a unique code assigned to a specific licensed distillery in Mexico. It is issued and tracked by the Consejo Regulador del Tequila (CRT) — the regulatory council that oversees tequila production on behalf of the Mexican government.

That number tells you:

• Which physical distillery produced the tequila — not the brand's headquarters, not where it's bottled for export, but the actual plant where the agave was cooked, fermented, and distilled.
• What other brands come out of the same facility. Because there are roughly 150 licensed tequila distilleries in Mexico producing well over 1,000 registered brands, a huge number of "different" tequilas on the shelf actually come from the same handful of factories.

What the NOM does not tell you is quality. It's an identifier, not a grade. Two tequilas can share a NOM and still taste completely different, because recipe, agave sourcing, aging, and whether additives are used can vary brand to brand — even inside the same plant.

Where to Find the NOM on a Bottle

Look at the back label, usually near the CRT seal, the government health warning, or the barcode. It will read something like:

NOM 1414 or NOM-1414

A few brands, like Patrón, print it more prominently on the front. If you can't find "NOM" printed anywhere, that's a red flag — it likely means the bottle isn't CRT-certified tequila at all, but rather an agave-based spirit that doesn't meet the legal definition of tequila.

Why the NOM Matters When You're Buying

1. It exposes shared production.
Independent-looking brands frequently share a distillery — and sometimes the same base liquid — with dozens of other labels. Looking up the NOM shows you the real family tree behind a bottle before you buy it.

2. It helps you shortlist by production style.
Distilleries differ in real, tastable ways: brick ovens versus autoclaves for cooking agave, traditional roller mills versus diffusers for extraction, open-air versus stainless fermentation. If you like a tequila from a particular NOM, other brands from that same distillery are a reasonable next bottle to try.

3. It's a starting point for spotting mass-produced tequila.
Distilleries that produce tequila for a very high number of brands are often larger, higher-volume operations, which can lean more heavily on additives or diffuser extraction to hit price points and speed production. That's not automatically a bad thing, but it's worth knowing before you pay a premium price for a "craft" story.

4. It confirms the bottle is legally tequila.
A valid NOM paired with the CRT seal is proof the product met Mexico's legal standard for tequila — including that it was made from Weber blue agave grown in the designated region. No NOM, no such guarantee.

Same Brand, Different NOM — What's Going On?

Occasionally you'll see the same brand carry a different NOM on different bottles or vintages. This usually means production moved to a new facility, the brand added a second distillery, or a special/limited bottling was made somewhere else. It's not necessarily a red flag, but it's worth a quick look-up if you're chasing a specific style you loved.

How to Look Up a NOM

The CRT maintains the official distillery registry, and a few tools make it searchable in seconds:

• Rare Tequilas: Search by NOM — browse our own catalog organized by distillery, so you can shop by NOM directly.
• Consejo Regulador del Tequila — the official regulatory body; source of truth for certified distilleries and brands.
• Tequila Matchmaker — a free searchable database where you can enter any NOM number and instantly see the distillery and every brand associated with it.
• TTB COLA Registry — for U.S.-imported bottles, the Alcohol and Tobacco Tax and Trade Bureau's label database can cross-reference approved tequila labels sold in the States.

Type the four digits in, and within seconds you'll see the plant's name, its general region in Jalisco (or one of the other approved states), and the full list of brands it produces.

The Bottom Line

A NOM number won't tell you if a tequila is good — taste, transparency about additives, and agave sourcing still matter more. But it will tell you the truth about where a bottle actually comes from, which is the first real piece of due diligence before you spend money on a "premium" or "small-batch" claim.

At Rare Tequilas, we look up the NOM on every bottle before we ever consider adding it to the collection — because knowing the distillery behind a label is step one in knowing what's actually in the bottle. Want to try it yourself? Use our Search by NOM page to browse tequilas by distillery and see exactly who's behind your favorite bottles.

FAQ

What does NOM stand for on a tequila bottle?
NOM stands for Norma Oficial Mexicana, the Mexican regulatory standard system. On a tequila label, "NOM" followed by a four-digit number identifies the specific licensed distillery that produced the liquid.

Does the same NOM mean it's the same tequila?
No. A shared NOM means a shared distillery, not an identical product. Recipe, agave source, fermentation, and aging can all differ between brands made at the same plant.

Can one distillery make more than one brand?
Yes, and it's extremely common. With roughly 150 licensed distilleries producing well over 1,000 registered tequila brands, most distilleries make tequila for multiple, sometimes dozens, of different labels.

Is a higher or lower NOM number better?
No. The number is simply a sequential registration ID, not a ranking, rating, or indicator of age or quality.

Where can I look up a tequila's NOM?
Use our Search by NOM page, the Consejo Regulador del Tequila for official records, or Tequila Matchmaker for a fast, searchable public database.

Sources: Consejo Regulador del Tequila; Wikipedia, "Norma Oficial Mexicana"; Tequila Matchmaker; VinePair, "What is a Tequila NOM?"; Patrón Tequila, "Norma Oficial Mexicana (NOM)."