# EDGAR Filing Document

**Accession Number:** 0000737800
**File Stem:** 0000930413-23-000254
**Filing Date:** 2023-2
**Character Count:** 6027
**Document Hash:** 347d9be36dd3b90b87018606b753680b
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000930413-23-000254.hdr.sgml**: 20230201

**ACCESSION NUMBER**: 0000930413-23-000254

**CONFORMED SUBMISSION TYPE**: 497J

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230201

**DATE AS OF CHANGE**: 20230201

**EFFECTIVENESS DATE**: 20230201

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** LORD ABBETT MUNICIPAL INCOME FUND INC
- **CENTRAL INDEX KEY:** 0000737800
- **IRS NUMBER:** 133200760
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 0930

**FILING VALUES:**
- **FORM TYPE:** 497J
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 002-88912
- **FILM NUMBER:** 23574937

**BUSINESS ADDRESS:**
- **STREET 1:** 90 HUDSON STREET
- **STREET 2:** 11TH FLOOR
- **CITY:** JERSEY CITY
- **STATE:** NJ
- **ZIP:** 07302
- **BUSINESS PHONE:** 201-827-2000

**MAIL ADDRESS:**
- **STREET 1:** 90 HUDSON STREET
- **STREET 2:** 11TH FLOOR
- **CITY:** JERSEY CITY
- **STATE:** NJ
- **ZIP:** 07302

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** LORD ABBETT TAX FREE INCOME FUND INC
- **DATE OF NAME CHANGE:** 19920703

## Series and Classes Contracts Data

### Lord Abbett California Tax-Free Income Fund (Series ID: S000007531)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000020575 | Class P      |  |
| C000020576 | Class A      | LCFIX           |
| C000020577 | Class C      | CALAX           |
| C000054742 | Class F      | LCFFX           |
| C000096845 | Class I      | CAILX           |
| C000188221 | Class F3     | LCFOX           |

### Lord Abbett National Tax-Free Income Fund (Series ID: S000007537)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000020588 | Class P      |  |
| C000020589 | Class A      | LANSX           |
| C000020591 | Class C      | LTNSX           |
| C000050290 | Class I      | LTNIX           |
| C000054746 | Class F      | LANFX           |
| C000188222 | Class F3     | LONSX           |

### Lord Abbett New Jersey Tax-Free Income Fund (Series ID: S000007538)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000020592 | Class P      |  |
| C000020593 | Class A      | LANJX           |
| C000054747 | Class F      | LNJFX           |
| C000096846 | Class I      | LINJX           |
| C000188223 | Class F3     | LONJX           |

### Lord Abbett New York Tax-Free Income Fund (Series ID: S000007539)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000020594 | Class P      |  |
| C000020595 | Class A      | LANYX           |
| C000020596 | Class C      | NYLAX           |
| C000054748 | Class F      | LNYFX           |
| C000096847 | Class I      | NYLIX           |
| C000188224 | Class F3     | LONYX           |

### Lord Abbett High Income Municipal Bond Fund (Series ID: S000031145)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000096621 | Class A      | HYMAX           |
| C000096623 | Class C      | HYMCX           |
| C000096624 | Class F      | HYMFX           |
| C000096625 | Class I      | HYMIX           |
| C000096626 | Class P      | HYMPX           |
| C000188226 | Class F3     | HYMOX           |

### Lord Abbett Intermediate Tax Free Fund (Series ID: S000031146)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000096627 | Class F      | LISFX           |
| C000096628 | Class I      | LAIIX           |
| C000096629 | Class P      | LISPX           |
| C000096630 | Class A      | LISAX           |
| C000096632 | Class C      | LISCX           |
| C000188227 | Class F3     | LOISX           |

### Lord Abbett Short Duration Tax Free Fund (Series ID: S000031147)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000096633 | Class A      | LSDAX           |
| C000096635 | Class C      | LSDCX           |
| C000096636 | Class F      | LSDFX           |
| C000096637 | Class I      | LISDX           |
| C000188228 | Class F3     | LSDOX           |

### Lord Abbett Short Duration High Income Municipal Bond Fund (Series ID: S000049302)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000155633 | Class A      | SDHAX           |
| C000155634 | Class C      | SDHCX           |
| C000155635 | Class F      | SDHFX           |
| C000155636 | Class I      | SDHIX           |
| C000188229 | Class F3     | HYMQX           |

### Lord Abbett Sustainable Municipal Bond Fund (Series ID: S000074722)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000232849 | Class F3     | LSMOX           |
| C000232850 | Class I      | LISMX           |
| C000232851 | Class A      | LASMX           |
| C000232852 | Class C      | LCSBX           |
| C000232853 | Class F      | LSMFX           |

**LORD ABBETT MUNICIPAL INCOME FUND, INC.<br> 90 Hudson Street<br> Jersey City, New Jersey 07302-3973**

February 1, 2023

**<u><br> VIA EDGAR</u>**

U.S. Securities and Exchange Commission<br> Division of Investment Management<br> 100 F Street, NE<br> Washington, D.C. 20549-4720

Re: Lord Abbett Municipal Income Fund, Inc. (the "Registrant") <br> 1933 Act File No. 002-88912 <br> <u>1940 Act File No. 811-03942</u>

Ladies/Gentlemen:

In accordance with the provisions of Rule 497(j) under the Securities Act of 1933, as amended (the "Securities Act"), the undersigned hereby certifies that:

&nbsp;&nbsp;&nbsp;&nbsp;1. the form of prospectus and statement of additional information (Part II only) that would have been filed under Rule 497(c) under the
Securities Act would not have differed from that contained in Post-Effective Amendment No. 91 to the Registrant's Registration Statement
on Form N-1A filed by the Registrant on January 24, 2023; and

&nbsp;&nbsp;&nbsp;&nbsp;2. the text of Post-Effective Amendment No. 91, which was the most recent Amendment to the Registration Statement, was filed electronically
with the U.S. Securities and Exchange Commission on January 24, 2023.

Sincerely,

<u>/s/ Victoria Zozulya</u><br> Victoria Zozulya<br> Vice President and Assistant Secretary<br> Lord Abbett Family of Funds