1. [Home](https://www.g2.com/) 2. ... 3. [Identity Resolution Software](https://www.g2.com/categories/identity-resolution) 4. [Epsilon COREid Discussions](https://www.g2.com/products/epsilon-coreid/discuss) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_c936d0f7c092b218e7bee4db6468ebda/epsilon-coreid.jpeg "Product Avatar Image") ](/products/epsilon-coreid/reviews) [ Epsilon COREid ](/products/epsilon-coreid/reviews) (9)4.0/5 Agility Unite, our multichannel marketing platform, consolidates and integrates the features and functionality typically found in standalone marketing tools and nonintegrated marketing clouds. With Agility Unite, you spend more time marketing and eliminate the need to manage a complex integration of multiple databases, identities and applications. Show More * * * ### 71.0 Nps Score Already have Epsilon COREid? ### All Epsilon COREid Discussions Search Most CommentedMost HelpfulPinned by G2Newest All DiscussionsDiscussions with CommentsPinned by G2Discussions without Comments FilterFilter Filter byExpand/Collapse Sort by Most Commented Most Helpful Pinned by G2 Newest Filter by All Discussions Discussions with Comments Pinned by G2 Discussions without Comments ![Pinned by G2 as a common question](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Pinned by G2 as a common question") G2 Pinned by G2 as a common question • almost 3 years ago More Options - [ # What is Epsilon CORE ID used for? ](/discussions/what-is-epsilon-core-id-used-for) What is Epsilon CORE ID used for? [ Identity Resolution Software ](https://www.g2.com/tags/identity-resolution-software) * * * \<0\>0\>Upvotes * * * 0 Comments [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+Epsilon+COREid+questions+and+get+answers+from+expert+users+in+our+Epsilon+COREid+Discussions+section.&title=Epsilon+COREid+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fepsilon-identity-coreid%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=Epsilon+COREid+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fepsilon-identity-coreid%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fepsilon-identity-coreid%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=Epsilon+COREid+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fepsilon-identity-coreid%2Fdiscuss%0aAsk+Epsilon+COREid+questions+and+get+answers+from+expert+users+in+our+Epsilon+COREid+Discussions+section.) [![mail](/assets/social-logos/mail-d55c53b04bf49872e40cd2443b85a99caa23394e6cf154ae32a9d08377c15d86.svg "mail")](mailto:?subject=Epsilon+COREid+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fepsilon-identity-coreid%2Fdiscuss%0aAsk+Epsilon+COREid+questions+and+get+answers+from+expert+users+in+our+Epsilon+COREid+Discussions+section.) ![copy_link](/assets/social-logos/copy_link-05d8dc5dc8576fc78425ad34d07241b060878835e555a30417ff41c18335e575.svg "copy\_link") ![Verified User](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User") G2 Verified User • over 4 years ago More Options - [ # We need TFN and DIDs with 888 series. ](/discussions/we-need-tfn-and-dids-with-888-series) We need new numbers with 888 Series. If this is possible please try to give us the number with this series. [ Identity Resolution Software ](https://www.g2.com/tags/identity-resolution-software) * * * \<0\>0\>Upvotes * * * 0 Comments [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+Epsilon+COREid+questions+and+get+answers+from+expert+users+in+our+Epsilon+COREid+Discussions+section.&title=Epsilon+COREid+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fepsilon-identity-coreid%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=Epsilon+COREid+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fepsilon-identity-coreid%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fepsilon-identity-coreid%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=Epsilon+COREid+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fepsilon-identity-coreid%2Fdiscuss%0aAsk+Epsilon+COREid+questions+and+get+answers+from+expert+users+in+our+Epsilon+COREid+Discussions+section.) [![mail](/assets/social-logos/mail-d55c53b04bf49872e40cd2443b85a99caa23394e6cf154ae32a9d08377c15d86.svg "mail")](mailto:?subject=Epsilon+COREid+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fepsilon-identity-coreid%2Fdiscuss%0aAsk+Epsilon+COREid+questions+and+get+answers+from+expert+users+in+our+Epsilon+COREid+Discussions+section.) ![copy_link](/assets/social-logos/copy_link-05d8dc5dc8576fc78425ad34d07241b060878835e555a30417ff41c18335e575.svg "copy\_link") ## Start a New Software Discussion Have a software question? Get answers from real users and experts [Start A Discussion](/products/epsilon-coreid/discussions/new) * * * ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_c936d0f7c092b218e7bee4db6468ebda/epsilon-coreid.jpeg "Product Avatar Image") ### Have you used Epsilon COREid before? Answer a few questions to help the Epsilon COREid community [ Yes ](javascript:void(0))[ Yes ](https://www.g2.com/authorize?form=signup&return_to=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fepsilon-identity-coreid%2Fdiscuss%3Fsmall_ask%3Depsilon-coreid) No ## Top Contributors in Epsilon COREid 1 TS Loading... ### [Tannu S.](https://www.g2.com/users/d5853e92-69c7-42b7-b9a9-57dacf243613 "Tannu S.") Sales Manager 1 pt