# EDGAR Filing Document

**Accession Number:** 0000751199
**File Stem:** 0000035402-25-001582
**Filing Date:** 2025-11
**Character Count:** 8255
**Document Hash:** bb980f8d0edac8dee796b6e40aefcbf8
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000035402-25-001582.hdr.sgml**: 20251121

**ACCESSION NUMBER**: 0000035402-25-001582

**CONFORMED SUBMISSION TYPE**: 24F-2NT

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250831

**FILED AS OF DATE**: 20251121

**DATE AS OF CHANGE**: 20251121

**EFFECTIVENESS DATE**: 20251121

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** FIDELITY INCOME FUND /MA/
- **CENTRAL INDEX KEY:** 0000751199

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 0731

**FILING VALUES:**
- **FORM TYPE:** 24F-2NT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 002-92661
- **FILM NUMBER:** 251507573

**BUSINESS ADDRESS:**
- **STREET 1:** 245 SUMMER STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02210
- **BUSINESS PHONE:** 617-563-7000

**MAIL ADDRESS:**
- **STREET 1:** 245 SUMMER STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02210

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FIDELITY MORTGAGE SECURITIES FUND
- **DATE OF NAME CHANGE:** 19851103

## Series and Classes Contracts Data

### Fidelity Total Bond Fund (Series ID: S000007066)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                | Ticker Symbol | Class ID   |
| Fidelity Total Bond Fund                  | FTBFX         | C000019272 |
| Fidelity Advisor Total Bond Fund: Class A | FEPAX         | C000019273 |
| Fidelity Advisor Total Bond Fund: Class C | FCEPX         | C000019275 |
| Fidelity Advisor Total Bond Fund: Class M | FEPTX         | C000019276 |
| Fidelity Advisor Total Bond Fund: Class I | FEPIX         | C000019277 |
| Fidelity Advisor Total Bond Fund: Class Z | FBKWX         | C000150510 |

---

### Fidelity Government Income Fund (Series ID: S000007069)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                       | Ticker Symbol | Class ID   |
| Fidelity Government Income Fund                  | FGOVX         | C000019283 |
| Fidelity Advisor Government Income Fund: Class A | FVIAX         | C000038098 |
| Fidelity Advisor Government Income Fund: Class C | FVICX         | C000038100 |
| Fidelity Advisor Government Income Fund: Class M | FVITX         | C000038101 |
| Fidelity Advisor Government Income Fund: Class I | FVIIX         | C000038102 |
| Fidelity Advisor Government Income Fund: Class Z | FIKPX         | C000205069 |

---

### Fidelity Intermediate Government Income Fund (Series ID: S000007070)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                   | Ticker Symbol | Class ID   |
| Fidelity Intermediate Government Income Fund | FSTGX         | C000019284 |

---

### Fidelity Total Bond K6 Fund (Series ID: S000057288)

---

|  |  |  |
|:---|:---|:---|
| Class Name                  | Ticker Symbol | Class ID   |
| Fidelity Total Bond K6 Fund | FTKFX         | C000182864 |

---

### Fidelity Series Government Bond Index Fund (Series ID: S000062811)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                 | Ticker Symbol | Class ID   |
| Fidelity Series Government Bond Index Fund | FHNFX         | C000203458 |

---

### Fidelity Environmental Bond Fund (Series ID: S000072130)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                        | Ticker Symbol | Class ID   |
| Fidelity Advisor Environmental Bond Fund: Class M | FEBEX         | C000227901 |
| Fidelity Advisor Environmental Bond Fund: Class A | FEBBX         | C000227902 |
| Fidelity Environmental Bond Fund                  | FFEBX         | C000227903 |
| Fidelity Advisor Environmental Bond Fund: Class I | FEBFX         | C000227904 |
| Fidelity Advisor Environmental Bond Fund: Class C | FEBDX         | C000227905 |
| Fidelity Advisor Environmental Bond Fund: Class Z | FEBGX         | C000227906 |

---

## Series and Classes Contracts Data

### Fidelity Total Bond Fund (Series ID: S000007066)

| Class ID   | Class Name                                | Ticker Symbol   |
|:---|:---|:---|
| C000019272 | Fidelity Total Bond Fund                  | FTBFX           |
| C000019273 | Fidelity Advisor Total Bond Fund: Class A | FEPAX           |
| C000019275 | Fidelity Advisor Total Bond Fund: Class C | FCEPX           |
| C000019276 | Fidelity Advisor Total Bond Fund: Class M | FEPTX           |
| C000019277 | Fidelity Advisor Total Bond Fund: Class I | FEPIX           |
| C000150510 | Fidelity Advisor Total Bond Fund: Class Z | FBKWX           |

### Fidelity Government Income Fund (Series ID: S000007069)

| Class ID   | Class Name                                       | Ticker Symbol   |
|:---|:---|:---|
| C000019283 | Fidelity Government Income Fund                  | FGOVX           |
| C000038098 | Fidelity Advisor Government Income Fund: Class A | FVIAX           |
| C000038100 | Fidelity Advisor Government Income Fund: Class C | FVICX           |
| C000038101 | Fidelity Advisor Government Income Fund: Class M | FVITX           |
| C000038102 | Fidelity Advisor Government Income Fund: Class I | FVIIX           |
| C000205069 | Fidelity Advisor Government Income Fund: Class Z | FIKPX           |

### Fidelity Intermediate Government Income Fund (Series ID: S000007070)

| Class ID   | Class Name                                   | Ticker Symbol   |
|:---|:---|:---|
| C000019284 | Fidelity Intermediate Government Income Fund | FSTGX           |

### Fidelity Total Bond K6 Fund (Series ID: S000057288)

| Class ID   | Class Name                  | Ticker Symbol   |
|:---|:---|:---|
| C000182864 | Fidelity Total Bond K6 Fund | FTKFX           |

### Fidelity Series Government Bond Index Fund (Series ID: S000062811)

| Class ID   | Class Name                                 | Ticker Symbol   |
|:---|:---|:---|
| C000203458 | Fidelity Series Government Bond Index Fund | FHNFX           |

### Fidelity Environmental Bond Fund (Series ID: S000072130)

| Class ID   | Class Name                                        | Ticker Symbol   |
|:---|:---|:---|
| C000227901 | Fidelity Advisor Environmental Bond Fund: Class M | FEBEX           |
| C000227902 | Fidelity Advisor Environmental Bond Fund: Class A | FEBBX           |
| C000227903 | Fidelity Environmental Bond Fund                  | FFEBX           |
| C000227904 | Fidelity Advisor Environmental Bond Fund: Class I | FEBFX           |
| C000227905 | Fidelity Advisor Environmental Bond Fund: Class C | FEBDX           |
| C000227906 | Fidelity Advisor Environmental Bond Fund: Class Z | FEBGX           |

## FORM 24F-2NT: Annual Notice of Securities Sold Pursuant to Rule 24f-2

### 24F-2NT: Filer Information

**Filer CIK:** 0000751199

**Is this a LIVE or TEST Filing?:** LIVE

**Filer Investment Company Type:** N-1A

### 24F-2NT: Annual Filing Information

**1. Name and address of issuer:**

- **Name of Issuer:** Fidelity Income Fund /MA/

- **Address:** 245 Summer Street, Boston, MA 02210

**2. The Name and EDGAR Identifier of each series or class of securities for which this Form is filed:**

- [ ] Check box if the Form is being filed for all series and classes of the issuer.

**3. Investment Company Act File Number:** 811-04085

   **Securities Act File Number:** 002-92661

**4(a). Last day of fiscal year for which this Form is filed:** 08/31/2025

**4(b). Check box if this Form is being filed late:** [ ]

**4(c). Check box if this is the last time the issuer will be filing this Form:** [ ]

**5. Calculation of registration fee:**

- **(i) Aggregate sale price of securities sold during the fiscal year:** $20637537764.00

- **(ii) Aggregate price of securities redeemed or repurchased during the fiscal year:** $17935201456.00

- **(iii) Aggregate price of securities redeemed or repurchased during any prior fiscal year:** $0.00

- **(iv) Total available redemption credits [add Items 5(ii) and 5(iii)]:** $17935201456.00

- **(v) Net sales:** $2702336308.00

- **(vi) Redemption credits available for use in future years:** $0.00

- **(vii) Multiplier for determining registration fee:** 0.0001381

- **(viii) Registration fee due:** $373192.64

**Explanatory Notes (if any):**
0

**Signatures**

**Name and Title:** President and Treasurer

**Date:** 08/31/2025

**Signature:** Laura M. Del Prato