| 407 | Remote Job Entry ProtocolR.D. Bressler, R. Guida, A.M. McKenzie | Historic | October 1972 |
| 569 | NETED: A Common Editor for the ARPA NetworkM.A. Padlipsky | Historic | October 1973 |
| 643 | Network Debugging ProtocolE. Mader | Unknown | July 1974 |
| 678 | Standard file formatsJ. Postel | Unknown | December 1974 |
| 733 | Standard for the format of ARPA network text messagesD. Crocker, J. Vittal, K.T. Pogran, D.A. Henderson · obsoleted by RFC 822 | Unknown | November 1977 |
| 734 | SUPDUP ProtocolM.R. Crispin | Historic | October 1977 |
| 740 | NETRJS ProtocolR.T. Braden | Historic | November 1977 |
| 741 | Specifications for the Network Voice Protocol (NVP)D. Cohen | Unknown | November 1977 |
| 742 | NAME/FINGER ProtocolK. Harrenstien · obsoleted by RFC 1194, RFC 1196, RFC 1288 | Unknown | December 1977 |
| 759 | Internet Message ProtocolJ. Postel | Historic | August 1980 |
| 764 | Telnet Protocol specificationJ. Postel · obsoleted by RFC 854 | Unknown | June 1980 |
| 765 | File Transfer Protocol specificationJ. Postel · obsoleted by RFC 959 | Unknown | June 1980 |
| 767 | Structured format for transmission of multi-media documentsJ. Postel | Unknown | August 1980 |
| 768 | User Datagram ProtocolJ. Postel | Internet Standard | August 1980 |
| 775 | Directory oriented FTP commandsD. Mankins, D. Franklin, A.D. Owen | Unknown | December 1980 |
| 778 | DCNET Internet Clock ServiceD.L. Mills | Historic | April 1981 |
| 783 | TFTP Protocol (revision 2)K.R. Sollins · obsoleted by RFC 1350 | Unknown | June 1981 |
| 788 | Simple Mail Transfer ProtocolJ. Postel · obsoleted by RFC 821 | Unknown | November 1981 |
| 790 | Assigned numbersJ. Postel · obsoleted by RFC 820 | Historic | September 1981 |
| 791 | Internet ProtocolJ. Postel | Internet Standard | September 1981 |
| 792 | Internet Control Message ProtocolJ. Postel | Internet Standard | September 1981 |
| 793 | Transmission Control ProtocolJ. Postel · obsoleted by RFC 9293 | Internet Standard | September 1981 |
| 794 | Pre-emptionV.G. Cerf | Informational | September 1981 |
| 795 | Service mappingsJ. Postel | Historic | September 1981 |
| 796 | Address mappingsJ. Postel | Historic | September 1981 |
| 797 | Format for Bitmap filesA.R. Katz | Unknown | September 1981 |
| 804 | CCITT draft recommendation T.4International Telegraph and Telephone Consultative Committee of the International Telecommunication Union | Unknown | January 1981 |
| 810 | DoD Internet host table specificationE.J. Feinler, K. Harrenstien, Z. Su, V. White · obsoleted by RFC 952 | Unknown | March 1982 |
| 811 | Hostnames ServerK. Harrenstien, V. White, E.J. Feinler · obsoleted by RFC 953 | Unknown | March 1982 |
| 812 | NICNAME/WHOISK. Harrenstien, V. White · obsoleted by RFC 954, RFC 3912 | Unknown | March 1982 |
| 813 | Window and Acknowledgement Strategy in TCPD.D. Clark · obsoleted by RFC 7805 | Historic | July 1982 |
| 814 | Name, addresses, ports, and routesD.D. Clark | Informational | July 1982 |
| 815 | IP datagram reassembly algorithmsD.D. Clark | Unknown | July 1982 |
| 816 | Fault isolation and recoveryD.D. Clark · obsoleted by RFC 7805 | Historic | July 1982 |
| 817 | Modularity and efficiency in protocol implementationD.D. Clark | Informational | July 1982 |
| 818 | Remote User Telnet serviceJ. Postel | Historic | November 1982 |
| 821 | Simple Mail Transfer ProtocolJ. Postel · obsoleted by RFC 2821 | Internet Standard | August 1982 |
| 822 | STANDARD FOR THE FORMAT OF ARPA INTERNET TEXT MESSAGESD. Crocker · obsoleted by RFC 2822 | Internet Standard | August 1982 |
| 823 | DARPA Internet gatewayR.M. Hinden, A. Sheltzer | Historic | September 1982 |
| 826 | An Ethernet Address Resolution Protocol: Or Converting Network Protocol Addresses to 48.bit Ethernet Address for Transmission on Ethernet HardwareD. Plummer | Internet Standard | November 1982 |
| 827 | Exterior Gateway Protocol (EGP)E.C. Rosen | Unknown | October 1982 |
| 854 | Telnet Protocol SpecificationJ. Postel, J.K. Reynolds | Internet Standard | May 1983 |
| 855 | Telnet Option SpecificationsJ. Postel, J.K. Reynolds | Internet Standard | May 1983 |
| 862 | Echo ProtocolJ. Postel | Internet Standard | May 1983 |
| 863 | Discard ProtocolJ. Postel | Internet Standard | May 1983 |
| 864 | Character Generator ProtocolJ. Postel | Internet Standard | May 1983 |
| 865 | Quote of the Day ProtocolJ. Postel | Internet Standard | May 1983 |
| 866 | Active usersJ. Postel | Internet Standard | May 1983 |
| 867 | Daytime ProtocolJ. Postel | Internet Standard | May 1983 |
| 868 | Time ProtocolJ. Postel, K. Harrenstien | Internet Standard | May 1983 |
| 869 | Host Monitoring ProtocolR. Hinden | Historic | December 1983 |
| 870 | Assigned numbersJ.K. Reynolds, J. Postel · obsoleted by RFC 900 | Historic | October 1983 |
| 871 | Perspective on the ARPANET reference modelM.A. Padlipsky | Unknown | September 1982 |
| 877 | Standard for the transmission of IP datagrams over public data networksJ.T. Korb · obsoleted by RFC 1356 | Unknown | September 1983 |
| 879 | The TCP Maximum Segment Size and Related TopicsJ. Postel · obsoleted by RFC 7805, RFC 9293 | Historic | November 1983 |
| 881 | Domain names plan and scheduleJ. Postel | Unknown | November 1983 |
| 887 | Resource Location ProtocolM. Accetta | Experimental | December 1983 |
| 888 | "STUB" Exterior Gateway ProtocolL. Seamonson, E.C. Rosen | Unknown | January 1984 |
| 889 | Internet Delay ExperimentsD.L. Mills | Informational | December 1983 |
| 890 | Exterior Gateway Protocol implementation scheduleJ. Postel | Unknown | February 1984 |
| 891 | DCN Local-Network ProtocolsD.L. Mills | Internet Standard | December 1983 |
| 893 | Trailer encapsulationsS. Leffler, M.J. Karels | Unknown | April 1984 |
| 894 | A Standard for the Transmission of IP Datagrams over Ethernet NetworksC. Hornig | Internet Standard | April 1984 |
| 895 | Standard for the transmission of IP datagrams over experimental Ethernet networksJ. Postel | Internet Standard | April 1984 |
| 896 | Congestion Control in IP/TCP InternetworksJ. Nagle · obsoleted by RFC 7805 | Historic | January 1984 |
| 900 | Assigned NumbersJ.K. Reynolds, J. Postel · obsoleted by RFC 923 | Historic | June 1984 |
| 903 | A Reverse Address Resolution ProtocolR. Finlayson, T. Mann, J.C. Mogul, M. Theimer | Internet Standard | June 1984 |
| 904 | Exterior Gateway Protocol formal specificationD.L. Mills | Historic | April 1984 |
| 907 | Host Access Protocol specificationBolt Beranek and Newman Laboratories | Internet Standard | July 1984 |
| 908 | Reliable Data ProtocolD. Velten, R.M. Hinden, J. Sax | Experimental | July 1984 |
| 909 | Loader Debugger ProtocolC. Welles, W. Milliken | Experimental | July 1984 |
| 912 | Authentication serviceM. St. Johns · obsoleted by RFC 931 | Unknown | September 1984 |
| 913 | Simple File Transfer ProtocolM. Lottor | Historic | September 1984 |
| 917 | Internet subnetsJ.C. Mogul | Unknown | October 1984 |
| 918 | Post Office ProtocolJ.K. Reynolds · obsoleted by RFC 937 | Unknown | October 1984 |
| 920 | Domain requirementsJ. Postel, J.K. Reynolds | Unknown | October 1984 |
| 921 | Domain name system implementation schedule - revisedJ. Postel | Unknown | October 1984 |
| 923 | Assigned numbersJ.K. Reynolds, J. Postel · obsoleted by RFC 943 | Historic | October 1984 |