If the city code you are looking for is not listed email andy@andy.net and request that it be added.
| Description | City Code |
| Akron, OH (USA) | CAK |
| Albuquerque, NM | ABQ |
| Allentown, PA (USA) | ABE |
| Amsterdam, Netherlands | AMS |
| Anchorage, AK (USA) | ANC |
| Atlanta, GA (USA) | ATL |
| Austin, TX (USA) | AUS |
| Baltimore, MD (USA) | BWI |
| Bangkok, Thailand | BKK |
| Baton Rouge, LA (USA) | BTR |
| Beijing, China | PEK |
| Birmingham, AL (USA) | BHM |
| Boston, MA (USA) | BOS |
| Buffalo, NY (USA) | BUF |
| Calgary, AL Canada | YYC |
| Cancun, Mexico | CUN |
| Charlotte, NC (USA) | CLT |
| Chattanooga, TN (USA) | CHA |
| Chicago-Midway, IL (USA) | MDW |
| Chicago-Ohare, IL (USA) | ORD |
| Cincinnati, OH (USA) | CVG |
| Cleveland, OH (USA) | CLE |
| Colorado Springs, CO (USA) | COS |
| Columbus, OH (USA) | CMH |
| Copenhagen, Denmark | CPH |
| Dallas-Fort Worth, TX (USA) | DFW |
| Dallas-Love Field, TX (USA) | DAL |
| Dayton, OH (USA) | DAY |
| Denver, CO (USA) | DEN |
| Detroit, MI (USA) | DTW |
| Dublin, Ireland | DUB |
| El Paso, TX (USA) | ELP |
| Fairbanks, AK (USA) | FAI |
| Fayetteville, AR (USA) | XNA |
| Fort Myers, FL (USA) | RSW |
| Frankfurt, Germany | FRA |
| Ft. Lauderdale, FL (USA) | FLL |
| Grand Rapids, MI (USA) | GRR |
| Gulfport MS (USA) | GPT |
| Hartford, CT (USA) | BDL |
| Honolulu, HI (USA) | HNL |
| Houston-Hobby, TX (USA) | HOU |
| Houston-Intercontinental, TX (US | IAH |
| Indianapolis, IN (USA) | IND |
| Islip, NY ( | ISP |
| Jacksonville, FL (USA) | JAX |
| Kahului, Maui (USA) | OGG |
| Kansas City, MO (USA) | MCI |
| Knoxville, TN (USA) | TYS |
| Kona, HI (USA) | KOA |
| Lansing, MI (USA) | LAN |
| Las Vegas, NV (USA) | LAS |
| Lima, Peru | LIM |
| Little Rock, AR (USA) | LIT |
| London-Gatwick, (UK) | LGW |
| London-Heathrow, (UK) | LHR |
| Los Angeles, CA (USA) | LAX |
| Los Cabos, Mexico | SJD |
| Louisville, KY (USA) | SDF |
| Lubbock, TX (USA) | LBB |
| Memphis, TN (USA) | MEM |
| Miami, FL (USA) | MIA |
| Milwaukee, WI (USA) | MKE |
| Minneapolis, MN (USA) | MSP |
| Montego Bay, Jamaica | MBJ |
| Narita, Tokyo (JP) | NRT |
| Nashville, TN (USA) | BNA |
| Newark, NJ (USA) | EWR |
| Newburgh, NY (USA) | SWF |
| New Orleans, LA (USA) | MSY |
| New York-Kennedy, NY (USA) | JFK |
| New York-LaGuardia, NY (USA) | LGA |
| Norfolk, VA (USA) | ORF |
| Oakland, CA (USA) | OAK |
| Omaha, NE, (USA) | OMA |
| Ontario, CA (USA) | ONT |
| Orlando, FL (USA) | MCO |
| Oslo, Norway | OSL |
| Page, AZ (USA) | PGA |
| Paris, France | CDG |
| Pensacola, FL (USA) | PNS |
| Philadelphia, PA (USA) | PHL |
| Phoenix, AZ (USA) | PHX |
| Pittsburgh, PA (USA) | PIT |
| Portland, OR (USA) | PDX |
| Providence, RI (USA) | PVD |
| Puerto Vallarta, Mexico | PVR |
| Raleigh, NC (USA) | RDU |
| Reno, NV (USA) | RNO |
| Rhinelander, WI (USA) | RHI |
| Richmond, VA (USA) | RIC |
| Rome, Italy | FCO |
| Sacramento, CA (USA) | SMF |
| Salt Lake City, UT (USA) | SLC |
| San Antonio, TX (USA) | SAT |
| San Diego, CA (USA) | SAN |
| San Francisco, CA (USA) | SFO |
| San Jose, CA (USA) | SJC |
| San Juan, PR | SJU |
| Santa Ana, CA (USA) | SNA |
| Seattle, WA (USA) | SEA |
| South Bend, IN (USA) | SBN |
| Spokane, WA (USA) | GEG |
| St Louis, MO (USA) | STL |
| Stockholm, Sweden | ARN |
| St Thomas, VI | STT |
| Syracuse NY (USA) | SYR |
| Taipei, Taiwan | TPE |
| Tampa, FL (USA) | TPA |
| Tel Aviv, Israel | TLV |
| Toledo, OH (USA) | TOL |
| Toronto, ON Canada | YYZ |
| Tromso, Norway | TOS |
| Tucson, AZ (USA) | TUS |
| Tulsa, OK (USA) | TUL |
| Vancouver, BC | YVR |
| Washington-Dulles, DC (USA) | IAD |
| Washington-National, DC (USA) | DCA |
| West Palm Beach, FL (USA) | PBI |
| White Plains, NY (USA) | HPN |