# Cosper Enterprises Inc Cosper Enterprises Inc is an ITIN acceptance agent in Portales, New Mexico, United States. ## Details - Address: 421 South Avenue C, Suite B, Portales, New Mexico, 88130, United States - Phone: [575-356-8352]() - Also trading as: H&R Block - Source note: IRS Acceptance Agent Program list for New Mexico (page last reviewed 17-Sep-2026; retrieved 2026-10-02). US federal public domain (17 U.S.C. 105). ## Questions ### Where is Cosper Enterprises Inc? Cosper Enterprises Inc is at 421 South Avenue C, Suite B, Portales, New Mexico, 88130, United States. ### How do I contact Cosper Enterprises Inc? To contact Cosper Enterprises Inc, call 575-356-8352. ## Source From [U.S. Internal Revenue Service](https://www.irs.gov/individuals/international-taxpayers/acceptance-agents-new-mexico), license Public domain (17 U.S.C. 105; irs.gov content use terms request credit), checked 2026-10-03. Last updated October 3, 2026. ## Links - This ITIN acceptance agent on the [web page]() - [Certifying acceptance agents in Portales]() - [IRS acceptance agents in Portales]() - [More ITIN acceptance agents in Portales]()