Generate Random Phone Numbers in Python

import random
import re

# Generate random US phone number (xxx) xxx-xxxx
def random_us_phone_number():
    area_code = random.randint(200, 999)
    exchange = random.randint(200, 999)
    line_number = random.randint(1000, 9999)
    return f"({area_code:03d}) {exchange:03d}-{line_number:04d}"

# Generate random phone number with country code
def random_international_phone(country_code="+1"):
    area_code = random.randint(200, 999)
    exchange = random.randint(200, 999)
    line_number = random.randint(1000, 9999)
    return f"{country_code} ({area_code:03d}) {exchange:03d}-{line_number:04d}"

# Generate phone number without formatting
def random_phone_digits(length=10):
    return "".join(str(random.randint(0, 9)) for _ in range(length))

# Validate US phone number format
def is_valid_us_phone(phone):
    pattern = r"^\(\d{3}\) \d{3}-\d{4}$"
    return re.match(pattern, phone) is not None

# Generate multiple phone numbers
def generate_phone_numbers(count=10):
    return [random_us_phone_number() for _ in range(count)]

# Using Faker library (pip install faker)
# from faker import Faker
# faker = Faker()
# phone = faker.phone_number()  # (555) 123-4567
# phone_e164 = faker.msisdn()   # 15551234567 (E.164 without +)

print(f"US Phone: {random_us_phone_number()}")
print(f"International: {random_international_phone(\"+44\")}")
print(f"Digits only: {random_phone_digits(10)}")
print(f"Valid: {is_valid_us_phone(\"(555) 123-4567\")}")
print(f"Batch: {\", \".join(generate_phone_numbers(3))}")