| 2004-12-28 | LutonvColchesterLeague One · England | 2–2 | League One · England |
| 2004-12-18 | BrentfordvColchesterLeague One · England | 1–0 | League One · England |
| 2004-12-11 | ColchestervHullLeague One · England | 1–2 | League One · England |
| 2004-12-07 | ColchestervBarnsleyLeague One · England | 0–2 | League One · England |
| 2004-11-27 | TorquayvColchesterLeague One · England | 1–3 | League One · England |
| 2004-11-20 | ColchestervHuddersfieldLeague One · England | 0–0 | League One · England |
| 2004-11-06 | BradfordvColchesterLeague One · England | 2–2 | League One · England |
| 2004-10-30 | Bristol CityvColchesterLeague One · England | 0–0 | League One · England |
| 2004-10-23 | ColchestervTranmereLeague One · England | 1–2 | League One · England |
| 2004-10-19 | ColchestervWrexhamLeague One · England | 1–2 | League One · England |
| 2004-10-16 | BlackpoolvColchesterLeague One · England | 1–1 | League One · England |
| 2004-10-09 | WalsallvColchesterLeague One · England | 2–1 | League One · England |
| 2004-10-02 | ColchestervPort ValeLeague One · England | 2–1 | League One · England |
| 2004-09-25 | OldhamvColchesterLeague One · England | 1–1 | League One · England |
| 2004-09-18 | ColchestervMilton Keynes DonsLeague One · England | 0–1 | League One · England |
| 2004-09-11 | BournemouthvColchesterLeague One · England | 1–3 | League One · England |
| 2004-09-04 | ColchestervSwindonLeague One · England | 0–1 | League One · England |
| 2004-08-30 | HartlepoolvColchesterLeague One · England | 2–1 | League One · England |
| 2004-08-28 | ColchestervDoncasterLeague One · England | 4–1 | League One · England |
| 2004-08-21 | ChesterfieldvColchesterLeague One · England | 2–1 | League One · England |
| 2004-08-14 | ColchestervPeterboroLeague One · England | 2–1 | League One · England |
| 2004-08-10 | ColchestervStockportLeague One · England | 3–2 | League One · England |
| 2004-08-07 | Sheffield WedsvColchesterLeague One · England | 0–3 | League One · England |
| 2004-05-08 | PlymouthvColchesterLeague One · England | 2–0 | League One · England |
| 2004-05-01 | ColchestervRushden & DLeague One · England | 2–0 | League One · England |
| 2004-04-24 | Sheffield WedsvColchesterLeague One · England | 0–1 | League One · England |
| 2004-04-17 | ColchestervWrexhamLeague One · England | 3–1 | League One · England |
| 2004-04-12 | BrentfordvColchesterLeague One · England | 3–2 | League One · England |
| 2004-04-10 | ColchestervNotts CountyLeague One · England | 4–1 | League One · England |
| 2004-04-03 | BournemouthvColchesterLeague One · England | 1–1 | League One · England |
| 2004-03-30 | BlackpoolvColchesterLeague One · England | 0–0 | League One · England |
| 2004-03-27 | ColchestervPeterboroLeague One · England | 0–0 | League One · England |
| 2004-03-23 | ChesterfieldvColchesterLeague One · England | 1–2 | League One · England |
| 2004-03-20 | BrightonvColchesterLeague One · England | 2–1 | League One · England |
| 2004-03-16 | ColchestervWycombeLeague One · England | 1–1 | League One · England |
| 2004-03-13 | OldhamvColchesterLeague One · England | 0–0 | League One · England |
| 2004-03-06 | ColchestervHartlepoolLeague One · England | 1–2 | League One · England |
| 2004-03-02 | ColchestervStockportLeague One · England | 2–1 | League One · England |
| 2004-02-24 | ColchestervPort ValeLeague One · England | 1–4 | League One · England |
| 2004-02-21 | ColchestervGrimsbyLeague One · England | 2–0 | League One · England |
| 2004-02-07 | LutonvColchesterLeague One · England | 1–0 | League One · England |
| 2004-01-31 | ColchestervTranmereLeague One · England | 1–1 | League One · England |
| 2004-01-27 | Bristol CityvColchesterLeague One · England | 1–0 | League One · England |
| 2004-01-17 | SwindonvColchesterLeague One · England | 2–0 | League One · England |
| 2004-01-10 | ColchestervBarnsleyLeague One · England | 1–1 | League One · England |