Access our services online.
Issuer Identifier Number (IIN)
Request an IIN or search for available or allocated IINs.
Request an Issuer Identifier Number (IIN)
Request an Issuer Identifier Number (IIN) to correctly identify an issuer of international payment cards for telecommunication services.
Search for an Issuer Identifier Number (IIN)
Search for allocated or available Issuer Identifier Numbers (IINs).
International Signalling Point Code (ISPC)
Request an ISPC or search for available or allocated ISPCs.
Request an International Signalling Point Code (ISPC)
Request an International Signalling Point Code (ISPC) to enable international forwarding of control information between elements of a telecommunications network.
Search for an International Signalling Point Code (ISPC)
Search for allocated or available International Signalling Point Codes (ISPCs).
Mobile Network Code (MNC)
Request an MNC or search for available or allocated MNCs.
Request a Mobile Network Code (MNC)
Request a Mobile Network Code (MNC) to uniquely identify yourself as a public terrestrial mobile network operator.
Search for a Mobile Network Code (MNC)
Search for allocated or available Mobile Network Codes (MNCs).
National Signalling Point Code (NSPC)
Request an NSPC or search for available or allocated NSPCs.
Request a National Signalling Point Code (NSPC)
Request a National Signalling Point Code (NSPC) to enable routing of SS7 signalling traffic between telecommunications networks on a national basis.
Search for a National Signalling Point Code (NSPC)
Search for allocated or available National Signalling Point Codes (NSPCs).
Object Identifier (OID)
Request an OID or search for available or allocated OIDs.
Request an object identifier (OID)
Request an object identifier (OID) to enable the precise identification of an information element within a communication process.
Search for an object identifier (OID)
Search for allocated or available object identifiers (OIDs).
Request an Administration Management Domain (ADMD)
Request an Administration Management Domain (ADMD) to manage an area of a message handling system (MHS).
Request a manufacturer code
Request a manufacturer code, which is used by the control procedures for Group 3 fax machines (non-standard facilities). The structure of the manufacturer code (or 'terminal provider code') is specified in ITU-T Recommendation T.35.
Request an International Code Designator (ICD)
You can request an International Code Designator (ICD) to uniquely identify your company within a coding/addressing system (e.g. ATM network).
Request a Network Service Access Point (NSAP)
Request a network service access point (NSAP) to identify an OSI network access point.
Request a Private Management Domain (PRMD)
Request a Private Management Domain (PRMD) to manage a domain of a message handling system (MHS).
Request a Relative Distinguished Name (RDN)
Request a Relative Distinguished Name (RDN) to uniquely identify a specific directory entry.
Request a TETRA Mobile Network Code (T-MNC)
Request a TETRA (terrestrial trunked radio) Mobile Network Code (T-MNC) to identify yourself as a private mobile network operator.
Request an operator code
Request an operator code to identify service providers and operators of national and international networks for telephony and data transmission in accordance with ITU-T Recommendation M.1400.
Request a tenth of Data Network Identification Code (DNIC)
Request a tenth of a Data Network Identification Code (DNIC) to identify a data transmission network in accordance with ITU-T Recommendation X.121.
Search for more addressing resources
Search for more allocated or available addressing resources (e.g. ADMD, NSAP, manufacturer codes).