State Programs

Alabama Field Office
2100 1st Ave. North, Suite 500
Birmingham, Alabama 35203
(205) 251-1155
Fax (205) 251-4444

Alaska Field Office
715 L Street, Suite 100
Anchorage, AK 99501
(907) 276-3133
(907) 276-2584 (fax)
alaska@tnc.org

Arizona Field Office
1510 E. Ft. Lowell,
Tucson, AZ 85719
(520) 622-3861
arizona@tnc.org

Arkansas Field Office
601 N. University Avenue
Little Rock, AR 72205
(501) 663-6699
arkansas@tnc.org

California Field Office
201 Mission Street
4th Floor
San Francisco, CA 94105
(415) 777-0487
calweb@tnc.org

Colorado Field Office
2424 Spruce Street
Boulder, CO 80302
(303) 444-2950
colorado@tnc.org

Connecticut Field Office
55 High Street
Middletown, CT 06457
(860) 344-0716
ct@tnc.org

Delaware Field Office
Community Service Building
100 West 10th Street, Suite 1107
Wilmington, DE 19801
(302) 654-4707
(302) 654-4708 (fax)
delaware@tnc.org

Florida Field Office
222 South Westmonte Drive, Suite 300
Altamonte Springs, FL 32714
(407) 682-3664

Georgia Field Office
1330 West Peachtree Street
Suite 410
Atlanta, GA 30309-2904
(404) 873-6946
(404) 863-6984 (fax)

Great Lakes Field Program
8 S. Michigan Avenue, Suite 2301
Chicago, IL 60603
(312) 759-8017
(312) 759-8409 (fax)
greatlakes@tnc.org

Hawaii Field Office
923 Nuuanu Avenue
Honolulu, HI 96817
(808) 537-4508
hawaii@tnc.org

Idaho Field Office
116 1st Avenue North
Hailey, ID 83333
(208) 788-8988
IdahoMembers@tnc.org

Illinois Field Office
8 S. Michigan Avenue, Suite 900
Chicago, IL 60603
(312) 580-2100
illinois@tnc.org

Indiana Field Office
1505 N. Delaware Street, Suite 200
Indianapolis, IN 46202
(317) 951-8818
(317) 917-2478 (fax)
indiana@tnc.org

Iowa Field Office
303 Locust Street - Suite 402
Des Moines, IA 50309
(515) 244-5044
(515) 244-8890 (fax)
iowa@tnc.org

Kansas Chapter
700 SW Jackson, Suite 804
Topeka, KS 66603
(785) 233-4400
(785) 233-2022 (fax)
kansas@tnc.org

Kentucky Field Office
642 W. Main Street
Lexington, KY 40508
(859) 259-9655
kentucky@tnc.org

Louisiana Field Office
P.O. Box 4125
Baton Rouge, LA 70821
(225) 338-1040
(225) 338-0103 (fax)
lafo@tnc.org

Maine Field Office
14 Maine Street, Suite 401
Brunswick, ME 04011
(207) 729-5182
naturemaine@tnc.org

Maryland/DC Field Office
5410 Grosvenor Lane
Suite 100
Bethesda, MD 20814
(301) 897-8570
(301) 897-0858 (fax)

Massachusetts Field Office
205 Portland Street, Suite 400
Boston, MA 02114-1708
(617) 227-7017
(617) 227-7688 (fax)
massachusetts@tnc.org

Michigan Field Office
101 E. Grand River
Lansing, MI 48906
(517) 316-0300
michigan@tnc.org

Minnesota Field Office
1101 West River Parkway
Suite 200
Minneapolis MN 55415-1291
(612) 331-0750
minnesota@tnc.org

Mississippi Field Office
405 Briarwood Drive, Suite 101
Jackson, MS 39206
(601) 713-3355

Missouri Field Office
2800 S. Brentwood Boulevard
Saint Louis, MO 63144
(314) 968-1105
missouri@tnc.org

Montana Field Office
32 South Ewing
Helena, MT 59601
(406) 443-0303

Nebraska Field Office
1025 Leavenworth St.
Suite 100
Omaha, NE 68102
(402) 342-0282
nebraska@tnc.org

Nevada Field Office
One East First Street, Suite 1007
Reno, NV 89501
(775) 322-4990
nevada@tnc.org

New Hampshire Field Office
22 Bridge Street, 4th Floor
Concord, New Hampshire 03301
(603) 224-5853
naturenewhampshire@tnc.org

New Jersey Field Office
200 Pottersville Road
Chester, NJ 07930
(908) 879-7262
newjersey@tnc.org

New Mexico Field Office
212 East Marcy, Suite 200
Santa Fe, NM 87501
(505) 988-3867
nm@tnc.org

New York:

New York State Office
195 New Karner Rd, Suite 200
Albany, NY 12205
Phone: (518) 690-7850
Fax: (518) 869-2332

Adirondack Chapter
P.O. Box 65, Route 73
Keene Valley, NY 12943
(518) 576-2082

Central & Western Chapter
1048 University Avenue
Rochester, NY 14607
(585) 546-8030

Eastern New York Chapter
265 Chestnut Ridge Road
Mt. Kisco, NY 10549
(914) 244-3271

Long Island Chapter
250 Lawrence Hill Road
Cold Spring Harbor, NY 11724
(631) 367-3225

P.O. Box 5125
E. Hampton, NY 11937
(631) 329-7689

New York City Office
322 8th Avenue, 16th Floor
New York, NY 10001
(212) 997-1880

North Carolina Field Office
One University Place, Suite 290
4705 University Dr.
Durham, NC 27707
(919) 403-8558
northcarolina@tnc.org

North Dakota Field Office
c/o Western Dakotas Program Office
822 Main Street
Rapid City, SD 57701
(605) 342-4040
(605) 342-6060 (fax)

Ohio Field Office
6375 Riverside Drive, Suite 50
Dublin, OH 43017
(614) 717-2770
ohio@tnc.org

Oklahoma Field Office
2727 East 21st Street, Suite 102
Tulsa, OK 74114
(918) 585-1117

Oregon Field Office
821 SE 14th Avenue
Portland, OR 97214
(503) 230-1221
oregon@tnc.org

Pennsylvania Field Office
2101 North Front Street
Building #1, Suite 200
Harrisburg, PA 17110
(866) 298-1267 (Toll-free)
(717) 232-6001
(717) 232-6061 (fax)
pa_chapter@tnc.org

Rhode Island Field Office
159 Waterman Street
Providence, RI 02906
(401) 331-7110
ri@tnc.org

South Carolina Field Office
2231 Devine Street, Suite 100
Columbia, SC  29205
(803) 254-9049
southcarolina@tnc.org

South Dakota Field Office
c/o Western Dakotas Program Office
822 Main Street
Rapid City, SD 57701
(605) 342-4040
(605) 342-6060 (fax)

Tennessee Field Office
2021 21st Avenue South, Suite C-400
Nashville, TN 37212
(615) 383-9909

Texas Field Office
P.O. Box 1440
San Antonio, TX 78295-1440
(210) 224-8774
(210) 228-9805 (fax)

Utah Field Office
559 E. South Temple
Salt Lake City, UT 84102
(801) 531-0999
utah@tnc.org

Vermont Field Office
27 State Street
Montpelier, VT 05602-2934
(802) 229-4425
vermont@tnc.org

Virginia Field Office
490 Westfield Road
Charlottesville, VA 22901-1633
(434) 295-6106

Washington Field Office
1917 First Avenue
Seattle, WA 98101
(206) 343-4344
washington@tnc.org

West Virginia Field Office
723 Kanawha Boulevard East Suite 500
Charleston, WV 25301
(304) 345-4350
westvirginia@tnc.org

Wisconsin Field Office
633 West Main Street
Madison, WI 53703
(608) 251-8140

Wyoming Field Office
258 Main Street, Suite 200
Lander, WY 82520
(307) 332-2971
wyoming@tnc.org

International Programs

Argentina
Mitre 660 1er Piso "C"
San Carlos de Bariloche 8400
Río Negro – Argentina
(54 2944) 427-818
argentina@tnc.org

Australia
Suite 3.04
The 60 L Green Building
60 Leicester Street
Carlton, Victoria 3053
Australia
+61 (3) 8346-8600
australia@tnc.org

Bahamas
West Bay Street
Caves Village, Suite 2
Building 5
P.O. Box CB - 11398
Nassau, Bahamas
1 (242) 327-2414
bahamas@tnc.org

Belize
41 Front Street
P.O. Box 170
Punta Gorda, Belize
(501) 722-2503

Bolivia
La Paz
Edificio Multicentro, Torre B
Piso 4 Oficinas 401 y 402
Avenidas Arce y R. Gutierrez
La Paz, Bolivia
(591-2) 214-5096

Santa Cruz
4to Anillo Esquina Avenidas 2 de Agosto
Santa Cruz de la Sierra, Bolivia
(591-3) 348-0766

Brazil(Português)
Rio de Janeiro - Main South America regional office
Rua Lauro Muller no 116
Sala 3405
Edificio Torre do Rio Sul
CEP22290-160 Rio de Janeiro – RJ
Brasil
(55-21) 2159-2826

Belém
Avenida Nazaré 280
Nazaré
CEP 66035-170 Belém - PA
Brasil
(55-91) 4008-6200
 
Brasilia
SRTVS, Quadra 701, Conjunto: D, Bloco: A, Sala 246
Ed. Brasília Design Center - Asa Sul
CEP 70340-907 Brasília – DF
(55-61) 3421-9100
 
Cuiabá
Av. Historiador Rubens de Mendonça, 1894
Centro Empresarial Maruanã, Salas: 1004/1005
Bosque da Saúde
CEP 78050-000 Cuiabá – MT
Brasil
(55-65) 3642-6792

Curitiba
Alameda Júlia da Costa, 1240
Bigorrilho
CEP: 80730-070 Curitiba – PR
Brasil
(55-41) 3336-8777

Manaus
Av. Constantino Nery 2.789
Ed. Empire Center, Sala 705
CEP 66050-002 Manaus - AZ
(55-92) 3656 8246

Canada
c/o Worldwide Office
4245 N. Fairfax Drive Suite 100
Arlington, VA 22203
(703) 841-2088
canada@tnc.org

Chile
Marchant Pereira 367, Oficina 801
Santiago De Chile, Chile 7500557
(56-23) 417-027
chile@tnc.org

Valdivia
Carlos Andwater 624
Casa 4
Valdivia, Chile
(56-63) 250-228

Valdivian Coastal Reseve
Reserva Costera Valdiviana
Chaihuin
Valdivia, Chile
(56 63) 972-195

China
Yunnan Provincial Meteorological Building
8th Floor
77 Xi Chang Road
Kunming, Yunnan Province
People's Republic of China 650034
(+86-871) 418-2966

Colombia (Español)
Cra 7 No. 80-49 Oficina 204
Centro de Negocios el Nogal
Bogotá, Colombia
(57 1) 321-4051

Cartagena
Getsamani
Avenida Del Arsenal No.9a-37
Cartagena De Indias, Colombia
(57 5) 664-9893

Costa Rica
Nature Conservancy in Costa Rica
De POPS Sabana Sur 1 Km al Oeste,
ultima casa a la derecha antes del puente
San Jose, Costa Rica
(506) 220-2552
costarica@tnc.org

Dominican Republic
Calle Jacinto Mañon
Esquina Federico Gerardino
Plaza D'Roca, 4to Piso, Apartamento #401
Santo Domingo, Dominican Republic
(809) 541-7666

Ecuador
Calle Los Naranjos N44-491 y Azucenas
(Sector Monteserrin)
Quito, Ecuador
(593-2) 225-7138
ecuadorofc@tnc.org

Europe
Sascha Müller-Kraenner
Charitéstraße 3
D-10117 Berlin
+49 30 284 984 1950
+49 30 284 984 1953 (fax)
+49 160 9035 4509 (mobile)
smullerkraenner@tnc.org

Guatemala
12 Avenida, 14-41 zona 10
Colonia Oakland
Guatemala City, Guatemala 01010
(502) 2367-0480

Honduras
Col. Florencia Norte
1era. Entrada, 2da. Calle
4ta. Ave., Casa No. 2201, Bulevar Suyapa
Apdo. Postal 5744
Tegucigalpa, Honduras
(504) 232-3298

Indonesia
Jl. Wijaya XIII No. 9
Kebayoran Baru
Jakarta 11430
Indonesia
(+62-21) 724-7152
(+62-21) 724-7162 (fax)
tncindonesia@cbn.net.id

Jamaica
10A Chelsea Avenue
2nd Floor
Kingston  5
Jamaica
(876) 754-4579

Mexico
Rio San Angel 9
Col. Guadalupe Inn
Del. Alvaro Obregon
C.P. 01020
Mexico, D.F.
Mexico
(5255) 5661-1153

Micronesia
Moylan's Insurance Building #204
Kolonia, Pohnpei, FSM 96941
(691) 320-4267
(+691) 320-7422 (fax)

Mailing Address:
P.O. Box 216, Kolonia
Pohnpei 96941
Federated States of Micronesia

Nicaragua
Del Hotel Colon, 1 cuadra al sur
75 varas arriba casa No. 2
Residencial Los Robles
Managua, Nicaragua
(505) 277-0594

Palau
Carlos Salii Bldg.
2nd Floor
Toirois, Medalaii
Koror, Palau PW 96940
(680) 488-2017

Panama
Clayton
Ciudad del Saber
Calle Principal, Casa #352 A/B
Panama
(507) 317-0328
 

Papua New Guinea
Suite 7
Monian Haus-Nita Street
Tabari Place-Boroko
Papua New Guinea
(+675) 323 0699
(+675) 323-0397 (fax)

Peru
Av. Casimiro Ulloa 346
Miraflores
Lima, Perú L-18
(51 1) 444-1166
(51 1) 243-0856 (fax)

Solomon Islands
Tom Yu Building
Point Cruz
Honiara
Solomon Islands
(677) 20-940
(677) 26-814 (fax)

Virgin Islands
Eastern Caribbean Program
3052 Estate Little Princess
Christiansted, St. Croix
U.S.V.I.  00820
(340) 773-5575

Venezuela
Avenida Fransisco de Miranda con Avenida Arturo Uslar Pietri
Edificio Torre Metálica, mezz II, ofic 2 A,
Chacao 1060 – Caracas
Venezuela
(58 212) 613-8607