mvwicky / postal-codes

Postal code lookup service

Postal Codes

Where I figure out postal code parsing.

Data Sources

• ODA: Quebec specific Canadian postal code data. (Huge and not super helpful.)
• zip_code_database.csv: US Zip Code Data (from )

geonames.org

• US
• CA
  • Also CA full
  • The CA.txt file contains entries for three character postal codes

Format

TSV files with the following fields:

• country code
• postal code
• place name
• admin name 1 (state)
• admin code 1
• admin name 2 (county/province)
• admin code 2
• admin name 3 (community)
• admin code 3
• latitude (estimated)
• longitude (estimated)
• accuracy
  • 1: estimated
  • 4: geonameid
  • 6: centroid of address or shape

Random Number Generator

From