| Organisation | Postcode | Denomination | website | Map Code |
| Bethesda Baptist Church | IP4 2BB | Baptist | Website link | 1 |
| Burlington Baptist Church | IP1 2EZ | Baptist | Website link | 2 |
| Cauldwell Hall Road Baptist | IP4 4QG | Baptist | Website link | 3 |
| Colchester Road Baptist Church | IP4 4ST | Baptist | Website link | 4 |
| Holly Lodge | IP1 4DF | Baptist | Website link | 5 |
| Kesgrave Baptist Church | IP5 1EW | Baptist | Website link | 6 |
| Nansen Road Baptist | IP3 9HN | Baptist | Website link | 7 |
| Rushmere Baptist Church | IP5 1DF | Baptist | Website link | 8 |
| Shepherd Drive Baptist | IP8 3SL | Baptist | Website link | 9 |
| Stoke Green Baptist | IP2 8RE | Baptist | Website link | 10 |
| Whitehouse Baptist Church | IP1 5NW | Baptist | Website link | 11 |
| Whitton Baptist Church | IP1 6DH | Baptist | Website link | 12 |
| Witnesham Baptist Church | IP6 9EW | Baptist | Website link | 13 |
| Zoar Baptist | IP4 2LH | Baptist | Website link | 14 |
| Gospel Hall Kemball Street | IP4 5EA | Bretheren | Website link | 15 |
| All Hallows Ipswich | IP3 0EN | Church of England | Website link | 16 |
| All Saints | IP1 2PQ | Church of England | Website link | 17 |
| All Saints Kesgrave | IP5 1JG | Church of England | Website link | 18 |
| Bridge Church | IP1 3DE | Church of England | Website link | 19 |
| Church of the Ascension | IP1 6AL | Church of England | Website link | 20 |
| Ipswich Deaf Church | IP1 1UQ | Church of England | Website link | 21 |
| Lindbergh Road Community Church | IP39QX | Church of England | Website link | 22 |
| MIE: Bixley Farm | IP4 5SU | Church of England | Website link | 23 |
| MIE: St Andrew’s | IP4 5HF | Church of England | Website link | 24 |
| MIE: St John’s | IP4 4QE | Church of England | Website link | 25 |
| River Church | IP4 1BZ | Church of England | Website link | 26 |
| Safe Harbour | IP4 2LB | Church of England | Website link | 27 |
| Spanish Church | IP1 2PQ | Church of England | Website link | 28 |
| St Andrew’s Church Rushmere | IP5 1DH | Church of England | Website link | 29 |
| St Augustine’s Church | IP3 8TJ | Church of England | Website link | 30 |
| St Bartholomew’s Church | IP3 8HQ | Church of England | Website link | 31 |
| St Francis with St Clare Chantry | IP2 0QQ | Church of England | Website link | 32 |
| St Margaret’s Church | IP4 2BE | Church of England | Website link | 33 |
| St Martin Tuddenham | IP6 9BZ | Church of England | Website link | 34 |
| St Mary and St Botolph Whitton | IP1 6LT | Church of England | Website link | 35 |
| St Mary at Stoke | IP2 8DA | Church of England | Website link | 36 |
| St Mary at the Elms | IP1 2AA | Church of England | Website link | 37 |
| St Mary Le Tower | IP1 3BE | Church of England | Website link | 38 |
| St Mary Magdalene Westerfield | IP6 9BQ | Church of England | Website link | 39 |
| St Mary Witnesham | IP6 9JD | Church of England | Website link | 40 |
| St Matthew All Saints and Triangle Ipswich | IP1 2BP | Church of England | Website link | 41 |
| St Peter’s Stoke Park | IP2 9TH | Church of England | Website link | 42 |
| St Thomas | IP1 5BP | Church of England | Website link | 43 |
| Triangle Church | IP2 0JR | Church of England | Website link | 44 |
| Waterfront Churches: Holy Trinity | IP3 8AJ | Church of England | Website link | 45 |
| Waterfront Churches: St Helen’s | IP4 2LS | Church of England | Website link | 46 |
| Waterfront Churches: St Luke’s | IP3 0PJ | Church of England | Website link | 47 |
| Wellsprings Church | IP2 9TH | Church of England | 48 | |
| Hatfield Road | IP3 9AF | Congregational | Website link | 49 |
| St Clement’s Congregational Church | IP3 8AH | Congregational | Website link | 50 |
| Ashcroft Christian Fellowship | IP1 6AA | Independent | Website link | 51 |
| Bethel Apostolic Church | IP2 8EQ | Independent | Website link | 52 |
| Fields Church | IP5 2PB | Independent | Website link | 53 |
| Full Gospel Church | IP1 6LB | Independent | Website link | 54 |
| Greenfinch Church | IP2 0SQ | Independent | Website link | 55 |
| Hope Church Ipswich | IP4 2AT | Independent | Website link | 56 |
| Ipswich Community Church | IP1 2JP | Independent | Website link | 57 |
| Leighton Road Evangelical Church | IP3 0LJ | Independent | Website link | 58 |
| Proclaimers Church | IP2 0UA | Independent | Website link | 59 |
| Redeemed Christian Church of God All Souls Parish | IP4 2BB | Independent | Website link | 88 |
| Romanian Fellowhip | IP1 2NB | Independent | 60 | |
| Rushmere Community Church | IP4 3EJ | Independent | Website link | 61 |
| The True Vine Church | IP3 0EE | Independent | Website link | 62 |
| Trinity Praise Centre | IP1 3JG | Independent | Website link | 63 |
| Vineyard Church | IP2 0HU | Independent | Website link | 64 |
| Deeper Life Bible Church | IP1 2EF | Independent | Website link | 87 |
| Alan Road Methodist Church | IP3 8EX | Methodist | Website link | 65 |
| Bramford Road Methodist Church | IP1 4AY | Methodist | Website link | 66 |
| Chantry Methodist Church | IP2 0QN | Methodist | Website link | 67 |
| Landseer Road Methodist Church | IP3 9LX | Methodist | Website link | 68 |
| Museum Street Methodist Church | IP1 2EF | Methodist | Website link | 69 |
| Sourozh Diocese of the Russian Orthodox Church | IP1 2AB | Orthodox | Website link | 70 |
| Syriac Orthodox Church | IP3 8TJ | Orthodox | 71 | |
| The Orthodox Church of St Cosmas and St Damian | IP1 2AQ | Orthodox | Website link | 72 |
| Ipswich International Church | IP1 2NB | Penticostal | Website link | 73 |
| Shiloh Pentecostal | IP2 8JA | Penticostal | 74 | |
| St James the Lesser | IP3 9LU | Roman Catholic | Website link | 75 |
| St Mark’s Catholic Parish Church | IP2 0QQ | Roman Catholic | Website link | 86 |
| St Mary Magdalen RC Church | IP1 6JS | Roman Catholic | Website link | 76 |
| St Mary's Catholic Parish | IP4 4BD | Roman Catholic | Website link | 77 |
| St Pancras R C Church | IP4 1BD | Roman Catholic | Website link | 78 |
| The Church of the Holy Family & St Michael | IP5 2QP | Roman Catholic | Website link | 79 |
| Salvation Army Bramford | IP1 2LW | Salvation Army | Website link | 80 |
| Salvation Army Ipswich Queens Way | IP3 9EX | Salvation Army | Website link | 81 |
| Salvation Army Ipswich Citadel | IP4 4PH | Salvation Army | Website link | 82 |
| Castle Hill United Reformed | IP1 6QF | United Reformed | Website link | 83 |
| St John's United Reformed | IP4 5JD | United Reformed | Website link | 84 |
| Christ Church Tacket Street | IP4 1AU | United Reformed / Baptist | Website link | 85 |