A Service Provider Identification Number (SPIN) is a unique nine-digit number assigned to telecommunication companies throughout the United States by the administrator of the Federal Universal Service Fund, the Universal Service Administrative Company, also known commonly as USAC. Carrier SPINs are required to be provided by applicants for E-Rate when completing their Form 471 and/or when requesting a change in carriers.
T-Mobile’s SPIN Number, for use everywhere in the United States, except the U.S. Territory of Puerto Rico, is 143026181.
T-Mobile’s Puerto Rico SPIN Number, for use only in the U.S. Territory of Puerto Rico, is 143029059.
If you are an E-Rate applicant ready to submit your Form 471 and you are interested in using T-Mobile as your service provider, please make sure you list T-Mobile’s appropriate SPIN Number specified above.