---
oid: "0.4.0.0"
asn1-notation: "{itu-t(0) identified-organization(4) etsi(0) mobileDomain(0)}"
description: "Mobile domain"
last-modified: "2025-06-30"
tags: [oid-repository]
---

## OID: `0.4.0.0`

```asn1
{itu-t(0) identified-organization(4) etsi(0) mobileDomain(0)}
```

### Description

Mobile domain

### Supplementary information

Defined in ETSI EG 200 351.
ETSI `mobile-domain` was originally allocated to TC "SPS", but was then given to TC "SMG", and is now inherited by 3GPP.
All requests for object identifiers under `mobile-domain(0)` are handled by ETSI's Mobile Competence Centre support team for 3GPP.
All OIDs assigned under `mobile-domain(0)` can be found at [3GPP ASN.1 Object Identifier](http://www.3gpp.org/TB/Other/ASN1.htm).
For more information, see [ETSI ETR 091](http://pda.etsi.org/pda/home.asp?wki_id=807).
See [recent information about child OIDs managed by ETSI](https://portal.etsi.org/pnns/asn1oids/ASN1.asp).

### Registrant

Name: John M. Meredith
Address: ETSI (European Telecommunications Standards Institute)
650 route des Lucioles
06921 Sophia Antipolis
France
Phone: +33 4 92 94 42 00
Email: john.meredith@etsi.org

### Child OIDs

- [OID `0.4.0.0.0`](https://oid-base.com/get-md/0.4.0.0.0): `mobileDomainDefinitions(0)`
- [OID `0.4.0.0.1`](https://oid-base.com/get-md/0.4.0.0.1): `gsm-Network(1)`
- [OID `0.4.0.0.2`](https://oid-base.com/get-md/0.4.0.0.2): `gsm-Access(2)`
- [OID `0.4.0.0.3`](https://oid-base.com/get-md/0.4.0.0.3): `gsm-Operation-Maintenance(3)`
- [OID `0.4.0.0.4`](https://oid-base.com/get-md/0.4.0.0.4): `gsm-Messaging(4)`
- [OID `0.4.0.0.5`](https://oid-base.com/get-md/0.4.0.0.5): `charging(5)`
- [OID `0.4.0.0.20`](https://oid-base.com/get-md/0.4.0.0.20): `umts-Access(20)`
- [OID `0.4.0.0.21`](https://oid-base.com/get-md/0.4.0.0.21): `eps-Access(21)`
- [OID `0.4.0.0.22`](https://oid-base.com/get-md/0.4.0.0.22): `ngran-access(22)`

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