Postal Code 3770-304 - Vale do Junco, Aveiro, Portugal
Postal Code: 3770-304
Postal System Details
Postal Authority
CTT – Correios de Portugal
Postal System
Seven-digit postal code (4 digits + 3 digits: 1234-567)
Region Structure
District → Municipality → Parish → Delivery Zone
Area Information
The postal code 3770-304 follows Portugal’s seven-digit postal addressing system, overseen by CTT – Correios de Portugal, the national postal authority of Portugal. Portuguese postal codes follow the format X X X X–X X X, such as 1 0 0 0–0 0 X (illustrative only). The first four digits define the municipality and parish grouping, while the last three digits specify localized delivery sectors. This postal code corresponds to Vale do Junco in the Aveiro district/municipality, located near coordinates 40.517 and -8.514. Routing follows District → Municipality → Parish → Delivery Zone. Example mapping: - District/Municipality: Aveiro - Parish: (Example: Central Parish Area) - Locality: Vale do Junco - Delivery Sector: Based on last three digits This page reflects routing principles followed by CTT. All examples shown are illustrative only. To ensure precise delivery, verify that the parish and municipality correspond with Vale do Junco, Aveiro, Portugal.
Country:
Portugal
State:
Aveiro
Area:
Vale do Junco
Postal Code:
3770-304
Latitude:
40.517
Longitude:
-8.514
Frequently Asked Questions
1. What area does 3770-304 represent in Portugal?
It designates the parish-level delivery zone serving Vale do Junco within the Aveiro district/municipality.
2. How do Portuguese postal codes work?
They use the format 1234-567, where the first digits define municipality/parish routing.
3. Can 3770-304 verify an address in Portugal?
Yes—if municipality and parish match Vale do Junco, Aveiro.
4. Which authority manages postal codes in Portugal?
CTT – Correios de Portugal manages national postal routing and code assignments.