Of course, if you won't be using your cell phone or bringing it along, these numbers are great to have anyway -- write them down on a sheet of paper and stash it in your wallet!
1. Your Hotel's Local Phone Number
2. Your Airline Phone Number
More: Airline Phone Number Directory
3. 311New York City has a fantastic free information service: 311. Government information and non-emergency assistance is a quick phone call away and all calls are answered by a live person, 24 hours a day, 7 days a week. Translation services into over 170 languages are available via 311. For calls made from outside of New York City's five boroughs, you can access the same free information (with 24 hour live operators) by calling (212) NEW-YORK (212-639-9675). If your car has been towed, you lost something in a taxi, or just about any other NYC related issue, the folks at 311 can point you in the right direction.
More: 311 Website
4. NYC Car Service Phone NumberUnfortunately, it's not always easy to hail a taxi, so having a car service number can be a tremendous help. When you're stuck with lots of bags from a serious shopping trip, out in the boroughs looking for a ride back to Manhattan or trying to get to the airport, a quick call to a car service can get you a ride to your destination with little hassle. This is also a great number to have if you're meeting a car service at the airport, because it makes it easier to find your driver once you land.
More: New York City Car Services Guide
5. NYC & Company Visitor Information Phone NumberIf you've got a tourism related question, call 212-484-1222 to speak to a Visitor Information Counselor Monday through Friday 8:30 a.m. - 6 p.m. and Saturday and Sunday 9 a.m. - 5 p.m. They can help you with questions about attractions, tours or anything else related to New York City tourism.
More: NYC & Company Website
6. Phone Numbers for Restaurants You Want to Eat AtEven if you already have reservations, it's a good idea to call and confirm them the day before. If you don't reservations, it can be a good idea to call to see if they have suggestions about good times to get a table or if they have any same-day reservations available.
More: Where To Eat in New York City
7. Your Travel Agent's Phone NumberIt's not surprising that even the best laid plans can sometimes run into a snag. Having the phone number for your travel agent will make it easier to rectify any problems you might run into, whether it's delayed flights, an overbooked hotel or a rained-out tour, your travel agent will be able to fix things more easily the sooner you let him/her know you've run into a problem.
8. Tour Operator Phone NumbersIf you've booked tours or events on your own, it's a great idea to store these numbers in your phone as well. It's easier to let someone know you're lost or running late if you can call them directly.
More: New York City Guided Tours
9. Traveler's Aid Phone NumberShould you need travel assistance and don't have somewhere else to turn, give Traveler's Aid's JFK agency a call at 718-656-4870. If you lose your ticket, find yourself at the wrong airport or run into another travel snafu, Traveler's Aid may be able to offer you assistance.
More: Traveler's Aid Website
10. New York Area Consulate Emergency Phone NumberFor international travelers, it can be helpful to have the number of the nearest consulate available. Should you lose your passport, run into legal problems or need other assistance, the Consulate office of your home country can often provide help.
More: New York City Foreign Consulate Listings