International Signaling Point Code (ISPC)

An ISPC is a unique, seven-digit code synonymous used to identify the signaling network of each international carrier. The collection of this information is required to assign a unique identification code to each international carrier and to facilitate communication among international carriers by their use of the ISPC code on the shared signaling network. The Commission informs the International Telecommunication Union (ITU) of its assignment of ISPCs to international carriers on an ongoing basis.

The latest form for International Signaling Point Code (ISPC) expires 2022-12-31 and can be found here.