Longueuil Postal Codes & Phone Area Query

Longueuil is located in Quebec, Canada, with 15 postal codes indexed, using area code 418. This page provides a complete postal code list and a random phone number generation tool based on real dialing rules.

Postal Code Rules Notice

The postal codes displayed under the current city (e.g., M5V) are Forward Sortation Area prefixes (FSA). For your convenience, we have directly listed examples of partial real, complete postal codes corresponding to this prefix in the list below (format: K1A 0B1). Clicking on the corresponding postal code will take you to the details page of that area, where you can view all complete postal code details and use local dialing rule-compliant phone generation tools.

Canada Postal Code Structure and Rules:

1. First Part (FSA / Forward Sortation Area):

Fixed at 3 characters (format: 'Letter-Number-Letter', e.g., M5V). The first letter represents the main province or geographic region; the second digit indicates a metropolitan area (1-9) or a rural remote area (0); the third letter represents the specific city area or small town.

2. Second Part (LDU / Local Delivery Unit):

Fixed at 3 characters (format: 'Number-Letter-Number', e.g., 2T6). It represents a more precise delivery range, such as a specific street, a large high-rise office building, a residential neighborhood block, or even a specific single institution with high mail volume.

Postal Codes Directory

The following postal codes are indexed for this geographical region.

Postal Code	District / Neighborhood
J4G Examples of complete postal codes: J4G 1A0 J4G 1A1 J4G 1A2 J4G 1A3 J4G 1A4	Longueuil
J4H Examples of complete postal codes: J4H 1A1 J4H 1A2 J4H 1A3 J4H 1A4 J4H 1A5	Longueuil
J4J Examples of complete postal codes: J4J 1A1 J4J 1A2 J4J 1A3 J4J 1A4 J4J 1A5	Longueuil
J4K Examples of complete postal codes: J4K 0A1 J4K 0A2 J4K 0A3 J4K 0A4 J4K 0A5	Longueuil
J4L Examples of complete postal codes: J4L 0A1 J4L 0A2 J4L 0A3 J4L 0C8 J4L 1A1	Longueuil
J4M Examples of complete postal codes: J4M 0A1 J4M 0A2 J4M 1A1 J4M 1A2 J4M 1A3	Longueuil
J4N Examples of complete postal codes: J4N 0A1 J4N 0A2 J4N 0A3 J4N 0A4 J4N 0A5	Longueuil
J4P Examples of complete postal codes: J4P 1L4 J4P 1L5 J4P 1R0 J4P 2E8 J4P 2E9	Longueuil
J4R Examples of complete postal codes: J4R 2L7 J4R 2S3 J4R 2S7 J4R 2T2	Longueuil
J4S Examples of complete postal codes: J4S 1V3	Longueuil
J4V Examples of complete postal codes: J4V 3J5	Longueuil
J4W Examples of complete postal codes: J4W 1M5 J4W 2G9 J4W 3C9 J4W 3J3	Longueuil
J4X Examples of complete postal codes: J4X 1A4 J4X 1A5 J4X 1A6 J4X 1A8 J4X 1G6	Longueuil
J4Y Examples of complete postal codes: J4Y 1W8 J4Y 1Y1 J4Y 2H6 J4Y 2Y9	Longueuil
J4Z Examples of complete postal codes: J4Z 1K5 J4Z 1L9 J4Z 1M1 J4Z 2E4 J4Z 2L0	Longueuil

Random Local Phone Numbers

Mock phone numbers matching local formatting and dialing area codes. (418) — Quebec

Frequently Asked Questions

How many ZIP codes are registered for this city?

There are currently 15 unique postal codes indexed for this city. The registered list includes: j4g, j4h, j4j, j4k, j4l, j4m, j4n, j4p, j4r, j4s, j4v, j4w, j4x, j4y, j4z.

What is the local dialing format for this region?

Local phone numbers follow the dialing prefix rules. Numbers generated locally are 10 digits long and utilize regional area codes: 418.

Local Dialing: Within the same area, dial the standard subscriber number directly without country prefix.
International Dialing: To dial internationally, prepend the country dial code followed by the local area code and number.

Can these numbers receive real verification codes?

No. These generated numbers are mock telephone numbers designed exclusively for software testing, quality assurance verification, and compliance mock databases. They cannot receive SMS or standard voice calls.

What do the digits in these postal codes represent?

In the United States, the first three digits of a ZIP code typically refer to a specific sectional center facility (regional mail hub), while the last two digits represent the specific delivery area or post office within that zone.

How can I find the exact ZIP code for a specific street address?

You can browse the detailed neighborhood mapping table on our site, or visit the official postal authority website (such as USPS for the USA) and input the complete street, city, and state information to retrieve the exact code.

Does this city support both 5-digit and ZIP+4 codes?

Yes. This website displays the standard 5-digit base postal codes. For actual mailing, a hyphen followed by a 4-digit extension (e.g., 90001-1234) can be appended to identify specific street segments, buildings, or post office boxes.

Can the phone numbers generated here be used for real calls?

No. The numbers use real regional area codes, but the subscriber numbers are randomly generated mock sequences. They are intended for developers to test input validation and UI formatting in application workflows. They cannot make or receive actual calls.

How frequently is the postal database updated?

Our database is periodically synchronized with official postal releases (like the USPS directories) to ensure that base codes and local district mapping rules remain accurate and up-to-date.

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Longueuil, Quebec (Canada)