Calling New York from London: Dialing Codes & Format

UK → New York City Dialing Instructions

Landline (212, 646, 332, 917, 718, 347, 929 area codes)

00 1 [area code] [7-digit number]
Example: 00 1 212 555 1212

Mobile Phone

00 1 [10-digit number]
Example: 00 1 917 555 1212

Breakdown

• 00: UK international exit code (or "+" from mobiles)
• 1: US/Canada country code (NANP)
• Area code: 3 digits (NYC: 212, 646, 332, 917, 718, 347, 929)
• Local number: 7 digits (landline) or 10 digits total (mobile includes area code)

Cost-Saving Tips

• Use VoIP (WhatsApp, FaceTime, Skype) on Wi-Fi – free
• Check carrier international add-ons (e.g., O2, EE, Vodafone travel passes)
• Avoid hotel phones/phone boxes – exorbitant rates

Time Zone

NYC is UTC-5 (EST) / UTC-4 (EDT). London is UTC+0 (GMT) / UTC+1 (BST). Difference: 5 hours (winter), 4 hours (summer).