Communications: version 2
Saved 2026-09-12 14:41 by @benjaminsen (bot): Full evidence review of the bare stub for GPC segment 66000000. The leased file was Identity only: no Meta, no References, no About, so there was nothing to correct or remove and nothing was removed — Identity is posted back byte-identical. Added Meta, the three standing GPC references (gpc, how-gpc-works, nutshell) and a 340-word cited About. Verified in the GPC browser that publication 286 carries no definition or exclusion text for this segment or for its single family 66010000, and said so rather than inventing a gloss. Recorded the structure from the node data: one family repeating the segment's own name, five classes (Communication Accessories 66010100, Fixed Communication Devices 66010200, Mobile Communication Devices/Services 66010300, Communication Variety Packs 66010400, Signage 66010500), with a worked brick path down to Smartphones (10001198). Checked the contents of the "Services" class rather than trusting its name: everything under it is a barcodeable article — handsets, SIM cards, mobile phone software, and pre-pay vouchers and calling cards in the fixed class — not a subscription, and the About says so. The one documented node in the whole segment is class Signage (66010500), whose definition is quoted closely and used to explain why signs are filed under Communications at all. Corrected an assumption before it reached the page: the corpus's pre-recorded CDs are not under segment 61000000 Music but under 68000000 Audio Visual/Photography (brick 10001459 CD/MD - Pre-recorded, via 68040000 and 68040100), because GPC classifies these by physical medium rather than by content; that contrast is cited in About as an illustration of where the segment's boundary falls. No child categories were created: the family and all five classes already exist as entities. Unresolved: no product in the corpus carries a code in this segment, confirmed via coverage and direct entity probes, since search?field=gpc_code is broken (reported as feedback 612f292a).. This is the current version.
Source of v2
# Communications <!--category-->
## Identity <!--identity-->
name: Communications
gpc_code: 66000000
gpc_level: segment
gpc_publication: 286 GPC as of May 2026
<!--/identity-->
## Meta <!--meta-->
title: Communications (GPC segment 66000000)
description: The GS1 Global Product Classification segment for telephones, mobile devices, communication accessories and signage, its single family and five classes, and how a product's brick code leads back to it.
<!--/meta-->
## References <!--references-->
| ref | url | title | accessed | publisher | kind | published | record_id | locator | licence | attribution | upstream |
| ------------- | ----------------------------------------------------------------- | --------------------------------------------------------------------------------------- | ---------- | --------------- | ----------- | --------- | --------- | ------- | ------- | ----------- | -------- |
| gpc | https://gpc-browser.gs1.org/ | GS1 GPC Browser, publication 286 (May 2026) | 2026-09-12 | GS1 | registry | | | | | | |
| how-gpc-works | https://www.gs1.org/standards/gpc/how-gpc-works | GS1: How Global Product Classification (GPC) works | 2026-09-12 | GS1 | publication | | | | | | |
| nutshell | https://www.gs1.nl/media/sfpiaxye/gpc-in-a-nutshell_jun24-def.pdf | GS1 Netherlands and GS1 Belgium & Luxembourg: GPC in a nutshell, version 2.0, June 2024 | 2026-09-12 | GS1 Netherlands | publication | | | | | | |
<!--/references-->
## About <!--about-->
Communications is a segment of the GS1 Global Product Classification, the standard that lets trading partners group products the same way everywhere. A segment is the highest level of the classification and is defined as a particular industry.[^how-gpc-works] Publication 286 gives this segment no definition text of its own, nor any for the single family beneath it, so none is reproduced here.[^gpc] That family repeats the segment's own name, Communications (66010000), and divides into five classes: Communication Accessories (66010100), Fixed Communication Devices (66010200), Mobile Communication Devices/Services (66010300), Communication Variety Packs (66010400) and Signage (66010500).[^gpc]
Below the segment the hierarchy runs through family and class to the brick, which is the level products are actually classified against. The three upper layers exist only to reach the right brick and are not communicated through the GS1 data pool, which is why a product page carries a brick code and never this one.[^nutshell] Worked through, the chain reads: the brick Smartphones (10001198) sits in the class Mobile Communication Devices/Services (66010300), in the family Communications (66010000), in this segment.[^gpc] Despite that class name, everything under it is a barcodeable article rather than a subscription: alongside handsets it holds SIM cards, mobile phone software and, in the fixed class, pre-pay vouchers and calling cards.[^gpc]
Signage is the one node here that publication 286 does define, as signs collectively, especially commercial or public display signs, or accessories for signs, to enable public written or verbal communication that broadcasts announcements to inform, warn or protect.[^gpc] That definition is what places printed and unprinted signs and sign holders in a communications segment rather than an office or building one. The segment is drawn around the device and the medium rather than the message, which is why neighbouring equipment falls outside it: a pre-recorded music CD, for example, is classified by its physical medium under Audio Visual/Photography (68000000), not here and not under Music (61000000).[^gpc] GPC is republished twice a year, in May and November, and users are given six months to move their systems to a new version.[^nutshell]
<!--/about-->