ESROT
Databases
Voice & signaling
SIP response codes
Q.850 cause codes
Mobile & SMS
SMPP error codes
MCC / MNC database
Mobile operators
Numbering & location
World countries — ISO & dialing
ISO 3166-2 subdivisions
Emergency numbers
Numbering plans
India STD codes
Postal / ZIP codes
Guides
SIP & protocols
SIP call flow
History of SIP
Platforms
Asterisk guide
G.729 codec
Asterisk solutions
Vicidial guide
Tools
Network
My IP address
DNS lookup
WHOIS lookup
QR code generator
SMS counter
Security & dev
Password generator
Hash generator
UUID generator
Encoder / decoder
Cron builder
Finance & general
IBAN validator
SWIFT codes
IFSC codes
Age calculator
Lorem ipsum
Unit converter
India
Lookup
Mobile number lookup
PIN code decoder
STD codes
RTO codes
Coverage & society
5G coverage
UPI stats
Demographics
Election results 2026
2024 general election
Global
Codes & identifiers
HTTP status codes
World countries — ISO & dialing
ISO 3166-2 subdivisions
Emergency numbers
Currency codes
Domain extensions
World reference
Time zones
Public holidays
World population
More
Telecom news
Events
Telecom facts
Abbreviations
Blog
Home
›
Postal Codes
›
Canada
› J4J
Postal Code J4J — Longueuil Central, Canada
Quebec · Longueuil
English
Français
Postal Code
J4J
Place
Longueuil Central
State / Region
Quebec
District
Longueuil
Country
Canada
Coordinates
45.5362, -73.4721
Nearby postal codes
J4N
Longueuil Northeast · Quebec
J4L
Longueuil Southeast · Quebec
J4G
Longueuil North · Quebec
J4H
Longueuil West · Quebec
J4M
Longueuil East · Quebec
J4K
Longueuil Southwest · Quebec
J4T
Saint-Hubert West · Quebec
J4P
Saint-Lambert North · Quebec
← Back to Canada postal codes