Offline area code "lookup" tool

area_codes.csv

codes.py

#!/usr/bin/env python

# Offline area code lookup tool by av1d - 2022
# Usage: ./codes.py 508
# run 'chmod +x codes.py' first
#
# Data scraped from Wikipedia:
# https://en.wikipedia.org/wiki/List_of_North_American_Numbering_Plan_area_codes

import csv
import sys

try:
    with open('area_codes.csv', 'r') as csvfile:
        codereader = csv.reader(csvfile, delimiter=',', quotechar='"')
        for row in codereader:
            if sys.argv[1] in row:
                print("Area code | Territory or use | Date | Notes\n")
                print(' | '.join(row))
except:
    print("Usage: ./codes.py 508")