| 1034 | Domain names - concepts and facilitiesP. Mockapetris | Internet Standard | November 1987 |
| 1035 | Domain names - implementation and specificationP. Mockapetris | Internet Standard | November 1987 |
| 2046 | Multipurpose Internet Mail Extensions (MIME) Part Two: Media TypesN. Freed, N. Borenstein | Draft Standard | November 1996 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2426 | vCard MIME Directory ProfileF. Dawson, T. Howes · obsoleted by RFC 6350 | Proposed Standard | September 1998 |
| 3261 | SIP: Session Initiation ProtocolJ. Rosenberg, H. Schulzrinne, G. Camarillo, A. Johnston, J. Peterson, R. Sparks, M. Handley, E. Schooler | Proposed Standard | July 2002 |
| 3339 | Date and Time on the Internet: TimestampsG. Klyne, C. Newman | Proposed Standard | July 2002 |
| 3966 | The tel URI for Telephone NumbersH. Schulzrinne | Proposed Standard | December 2004 |
| 3986 | Uniform Resource Identifier (URI): Generic SyntaxT. Berners-Lee, R. Fielding, L. Masinter | Internet Standard | January 2005 |
| 3987 | Internationalized Resource Identifiers (IRIs)M. Duerst, M. Suignard | Proposed Standard | January 2005 |
| 4648 | The Base16, Base32, and Base64 Data EncodingsS. Josefsson | Proposed Standard | October 2006 |
| 5234 | Augmented BNF for Syntax Specifications: ABNFD. Crocker, Ed., P. Overell | Internet Standard | January 2008 |
| 5322 | Internet Message FormatP. Resnick, Ed. | Draft Standard | October 2008 |
| 5646 | Tags for Identifying LanguagesA. Phillips, Ed., M. Davis, Ed. | Best Current Practice | September 2009 |
| 5870 | A Uniform Resource Identifier for Geographic Locations ('geo' URI)A. Mayrhofer, C. Spanring | Proposed Standard | June 2010 |
| 6350 | vCard Format SpecificationS. Perreault | Proposed Standard | August 2011 |
| 6351 | xCard: vCard XML RepresentationS. Perreault | Proposed Standard | August 2011 |
| 6473 | vCard KIND:applicationP. Saint-Andre | Proposed Standard | December 2011 |
| 6474 | vCard Format Extensions: Place of Birth, Place and Date of DeathK. Li, B. Leiba | Proposed Standard | December 2011 |
| 6715 | vCard Format Extensions: Representing vCard Extensions Defined by the Open Mobile Alliance (OMA) Converged Address Book (CAB) GroupD. Cauchie, B. Leiba, K. Li | Proposed Standard | August 2012 |
| 6869 | vCard KIND:deviceG. Salgueiro, J. Clarke, P. Saint-Andre | Proposed Standard | February 2013 |
| 6901 | JavaScript Object Notation (JSON) PointerP. Bryan, Ed., K. Zyp, M. Nottingham, Ed. | Proposed Standard | April 2013 |
| 7095 | jCard: The JSON Format for vCardP. Kewisch | Proposed Standard | January 2014 |
| 7493 | The I-JSON Message FormatT. Bray, Ed. | Proposed Standard | March 2015 |
| 7529 | Non-Gregorian Recurrence Rules in the Internet Calendaring and Scheduling Core Object Specification (iCalendar)C. Daboo, G. Yakushev | Proposed Standard | May 2015 |
| 7841 | RFC Streams, Headers, and BoilerplatesJ. Halpern, Ed., L. Daigle, Ed., O. Kolkman, Ed. | Informational | May 2016 |
| 8126 | Guidelines for Writing an IANA Considerations Section in RFCsM. Cotton, B. Leiba, T. Narten | Best Current Practice | June 2017 |
| 8141 | Uniform Resource Names (URNs)P. Saint-Andre, J. Klensin | Proposed Standard | April 2017 |
| 8174 | Ambiguity of Uppercase vs Lowercase in RFC 2119 Key WordsB. Leiba | Best Current Practice | May 2017 |
| 8259 | The JavaScript Object Notation (JSON) Data Interchange FormatT. Bray, Ed. | Internet Standard | December 2017 |
| 8605 | vCard Format Extensions: ICANN Extensions for the Registration Data Access Protocol (RDAP)S. Hollenbeck, R. Carney | Informational | May 2019 |
| 9499 | DNS TerminologyP. Hoffman, K. Fujiwara | Best Current Practice | March 2024 |
| 9554 | vCard Format Extensions for JSContactR. Stepanek, M. Loffredo | Proposed Standard | May 2024 |
| 9555 | JSContact: Converting from and to vCardM. Loffredo, R. Stepanek | Proposed Standard | May 2024 |
| 9562 | Universally Unique IDentifiers (UUIDs)K. Davis, B. Peabody, P. Leach | Proposed Standard | May 2024 |