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Contact us

If you have any questions or queries, you can reach us here. “Contact us” below to reach the following services within your region: Marketing/Communication, Sales and Press/Media.

Contact Us

Browse our regions to find contact information for our local offices.

Australia

  • Sydney
  • Level 6, 141 Walker Street
  • North Sydney 2060
  • Australia
  • Melbourne
  • Level 9, 222 Exhibition St
  • Melbourne, VIC 3000
  • Australia

China

  • Beijing
  • Unit 2228, 22nd Floor
  • China World Tower 1
  • 1, Jian Guo Men Wai Avenue
  • Beijing 100004, PRC
  • Tel: (+86) 10 5921 9000
  • Shanghai
  • 2104-08, 21/F
  • Shanghai Times Square
  • 93 Huai Hai Zhong Lu
  • Lu Wan District
  • Shanghai 200021, PRC
  • Tel: (+86) 21 2308 0888
  • Guangzhou
  • Room 1323, 13/F Teem Tower
  • 208 Tian He Road, Guangzhou
  • Tian He District
  • Guangzhou 510620, PRC
  • Shenzhen
  • Room 2645, 26th Floor
  • Anlian Center
  • 4018 Jin Tian Road
  • Futian District
  • Shenzhen 518026, PRC
  • Tianjin
  • Regus Golden Valley Center
  • 11th Floor, Jingu Building, Jinwan Square
  • No. 1 Binjiang Road,Heping District,
  • Tianjin 300000

Hong Kong

  • Hong Kong
  • Asia Pacific Headquarters
  • Suites 2201-2206 & 2214-2216, 22/F
  • 1111 King’s Road
  • Taikoo Shing
  • Hong Kong
  • Email (Marketing): mktg@intl.att.com

India

  • New Delhi
  • Vatika Triangle, 3rd Floor
  • Sushant Lok -1, Block A
  • MG Road, Gurgaon – 122002 Haryana
  • India
  • Tel: +91 12 4486 8777
  • Fax: +91 12 4428 3194 or 4428 3195
    • Bangalore
    • 10th & 11th Floor, Innovator Building
    • International Technology Park Bangalore (ITPB)
    • Whitefield Road, Bangalore 560 066
    • India
    • Tel: +91 80 4131 8000
    • Fax: +91 80 4131 8191
    • Email: gbsindia@ap.att.com

 

  • Mumbai
  • 4th Floor, Platina Building
  • C-59, G Block, Bandra Kurla Complex
  • Bandra East
  • Mumbai-400 051
  • India
  • Tel: +91 22 6681 7900/21
  • Email: gbsindia@ap.att.com
  • Chennai
  • Module 4C , 10th Floor, Block A
  • West Wing, SP Infocity
  • Plot No 40, MGR Salai Kandanchavadi Perungudi
  • Chennai – 600 096
  • India
  • E mail:gbsindia@ap.att.com

 

  • Pune
  • Suite No. 14, 5th Floor
  • Vatika Business Center
  • C-Wing, Panchshil Tech Park – 1
  • Airport Road, Yerwada
  • Pune – 411 006
  • India
  • Email: gbsindia@ap.att.com

 

  • Grievance Officer
  • If you find any objectionable content on this website please contact:
  • Adarsh Chauhan
  • Contact No. +91 12 4486 8727

Indonesia

  • Jakarta
  • Sampoerna Strategic Square
  • South Tower, 18th floor
  • Jl. Jend. Sudirman Kav. 45-46
  • Jakarta 12930
  • Indonesia
  • Tel: +62 21 575 0805
  • Fax: +62 21 577 0801
  • Email: sales.id@ap.att.com

 

Japan

  • Tokyo
  • Headquarter
  • 2-10-1, Toranomon, Minato-ku
  • Tokyo 105-0001
  • Japan

 

Korea

  • Seoul
  • 15th Floor
  • Seoul City Tower Building
  • #581 Namdaemun-ro 5-ga
  • Hooamro 110
  • Jung-gu, Seoul 04637
  • Korea

 

Malaysia

  • Selangor
  • AT&T WORLDWIDE NETWORK SERVICES (MALAYSIA) SDN. BHD.
  • Company Registration No. 200901040924 (884072-T)
  • Level 8, Block B, Quill 18
  • Lingkaran Teknokrat 3 Barat, Cyber 4
  • 63000 Cyberjaya, Selangor
  • Malaysia

 

New Zealand

  • Auckland
  • Level 2, 7-9 Fanshawe Street
  • Viaduct Harbour
  • Auckland 1010
  • New Zealand

Philippines

  • Makati City
  • 28th Floor, Tower 2
  • The Enterprise Center Building
  • 6766 Ayala Avenue
  • 1226 Makati City
  • Philippines
  • Tel: +63 2 8849 3971
  • Fax: +63 2 8886 5008

 

Singapore

  • Singapore
  • 85 Science Park Drive
  • The Cavendish
  • Unit #03-01 to 08
  • Singapore 118259

 

Taiwan

  • Taipei
  • Room D, 16 th Floor
  • Hung Tai Century Tower
  • 156 Min Sheng E. Road Sec 3
  • Taipei 105
  • Taiwan

 

Thailand

  • Bangkok
  • Empire Tower, 15th Floor, Unit 1504
  • 1 South Sathorn Road, Yannawa, Sathorn,
  • Bangkok 10120
  • Tel: +66 2 670 9700
  • Fax: +66 2 670 9707

 

Vietnam

Austria

  • Wien
  • AT&T Global Network Services Austria GmbH
  • Wienerbergstrasse 11/12A
  • 1100 Wien
  • Austria

Belgium

  • AT&T
  • BUROGEST OFFICE PARK SA
  • Avenue des Dessus-de-Lives, 2
  • 5101 Loyers (Namur)
  • Belgium

Bulgaria

  • Sofia
  • AT&T Global Network Services Bulgaria Ltd.
  • 19A Patriarch Evtimii blv., fl.2
  • Sofia 1142
  • Bulgaria

 

Croatia

  • Zagreb
  • AT&T Global Network Services Croatia Ltd.
  • Sarengradska 9
  • 10000
  • Zagreb
  • Croatia

 

Czech Republic

  • Brno
  • AT&T Global Network Services Czech Republic s.r.o.
  • The Campus Science Park
  • Palachovo náměstí 726/2
  • 625 00 Brno
  • Czech Republic
  • Praha
  • AT&T Global Network Services Czech Republic s.r.o.
  • 46 Klimentska
  • 110 00 Praha
  • Czech Republic

 

Denmark

  • Holte
  • AT&T GNS Denmark Aps.
  • Dronninggaards Alle 134
  • 2840 Holte
  • Denmark

Finland

  • Helsinki
  • AT&T GNS Finland
  • Luna House Mannerheimintie 12B
  • Helsinki, 00100
  • Finland

France

  • Paris
  • AT&T GNS France
  • AT&T GNS France
  • 1 Place Zaha Hadid
  • 92400 Courbevoie
  • France
  • Nice
  • AT&T GNS France
  • 400 Promenade des Anglais
  • 06000 Nice
  • France

Germany

  • Berlin
  • AT&T Global Network Services Deutschland GmbH
  • Kurfürstendamm 21
  • 10719 Berlin
  • Germany
  • Böblingen
  • AT&T Global Network Services Deutschland GmbH
  • Hans-Klemm- Str. 5
  • 71034 Böblingen
  • Germany
  • Düsseldorf
  • AT&T Global Network Services Deutschland GmbH
  • Dreischeibenhaus 1
  • 40211 Dusseldorf
  • Germany
  • Frankfurt
  • AT&T Global Network Services Deutschland GmbH
  • Düsseldorfer Strasse 13
  • 65760 Eschborn (near Frankfurt)
  • Germany
  • Hamburg
  • AT&T Global Network Services Deutschland GmbH
  • Gorch-Forck-Wall 1A
  • 20354 Hamburg
  • Germany
  • Munich
  • AT&T Global Network Services Deutschland GmbH
  • Mindspace Salvatorplatz 3
  • 80333 München
  • Germany

Greece

  • Athens
  • AT&T GNS Greece
  • 166A Kifissias Avenue
  • Athens 15126
  • Greece

Hungary

  • Budapest
  • AT&T GNS Hungary
  • Infopark
  • Gabor Denes Utca 2
  • Budapest, 1117
  • Hungary

Ireland

  • Dublin
  • AT&T Global Network Services Ireland Ltd
  • Ballycoolin Industrial Estate
  • Ballycoolin
  • Dublin
  • Ireland
  • Dublin
  • AT&T Global Network Services Ireland Ltd
  • The Sweepstakes
  • Dublin
  • Ireland
  • Cork
  • AT&T Global Network Services Ireland Ltd
  • 1 Horgan’s Quay
  • Cork
  • Ireland

Italy

  • Torino
  • AT&T GNS Italy
  • Building A2
  • Via Livorno 60
  • Torino 10144
  • Italy
  • Milan
  • AT&T GNS Italy
  • Via Vincenzo Monti 8
  • Milan 20123
  • Italy
  • Rieti
  • AT&T GNS Italy
  • Building A2
  • Via Livorno 60
  • Rieti 02100
  • Italy

Israel

  • Lod
  • AT&T GNS Israel
  • 2 Negev Airport City
  • 70150 Lod
  • Israel
  • Tel Avid
  • AT&T GNS Israel
  • 6 Totzeret Haaretz
  • Tel Avid
  • Israel

Luxembourg

  • Luxembourg
  • AT&T GNS Luxembourg
  • 5 Rue Heienhaff
  • L-1736 Senningerberg
  • Luxembourg

The Netherlands

  • The Hague
  • AT&T GNS Netherlands
  • Wilhelmina van Pruisenweg 104
  • 2595 AN The Hague
  • The Netherlands

Norway

  • Oslo
  • AT&T GNS Norway
  • 25 Rosenholmveien
  • 1414 Oslo
  • Norway

Poland

  • Warsaw
  • AT&T Global Network Services Polska Sp. z o.o.
  • Aleje Jerozolimskie 96
  • 00-807 Warsaw
  • Poland

Portugal

  • Lisboa
  • AT&T Serviços de Telecomunicações , S.U., Lda
  • Centro Empresarial Torres de Lisboa
  • Rua Tomás da Fonseca, Torre G – 1º andar
  • 1600-209 Lisboa
  • Portugal

Romania

  • Bucharest
  • AT&T GNS Romania
  • 26 Timisoara Blvd
  • 061344, Bucharest
  • Romania

Slovakia

  • Bratislava
  • AT&T Global Network Services Slovakia
  • Lakeside Park 01
  • Tomasikova 64
  • 831 04, Bratislava
  • Slovakia
  • Bratislava
  • AT&T Global Network Services Slovakia
  • Einsteinova 24
  • 851 01, Bratislava
  • Slovakia
  • Kosice
  • AT&T Global Network Services Slovakia
  • Letna 45
  • 040 01, Kosice
  • Slovakia
Slovenia
  • Ljubljana
  • AT&T Global Network Slovenia
  • 3 Trg Republika
  • 1000
  • Ljubljana
  • Slovenia

South Africa

  • Johannesburg
  • AT&T South Africa Proprietary Limited
  • Regus Business Offices
  • 2nd Floor West Towers
  • Nelson Mandela Square
  • Maude Street
  • Sandton 2196
  • Johannesburg
  • South Africa

Spain

  • Madrid
  • AT&T GNS Spain
  • Calle Lopez de Hoyos 35
  • 28002 Madrid
  • Spain
  • Granada
  • AT&T GNS Spain
  • Avenida de la Constitucion 20
  • 18012 Granada
  • Spain

Sweden

  • Stockholm
  • AT&T GNS Sweden
  • Kungsgatan 9
  • 111 43 Stockholm
  • Sweden

Switzerland

  • Geneva
  • AT&T GNS Switzerland
  • 14 rue de Pré-Bois
  • 1216 Geneva
  • Switzerland
  • Zurich
  • AT&T GNS Switzerland
  • 161 Hardturmstrasse
  • 8005 Zurich
  • Switzerland

Turkey

  • İstanbul
  • AT&T Global İletişim Servisleri Ltd. Şti.
  • Büyükdere Caddesi
  • Kanyon Ofis Binası
  • No:185 Kat:6 Levent
  • 34394 İstanbul
  • Turkey

United Arab Emirates

  • Dubai
  • AT&T Operations Inc.
  • 62 Sheikh Zayed Road,
  • P.O. Box 25238
  • Dubai
  • United Arab Emirates

United Kingdom

  • London
  • AT&T GNS United Kingdom
  • 80 Victoria Street
  • London
  • SW1E 5JL
  • United Kingdom
  • Studley
  • AT&T GNS United Kingdom
  • Studley Point,
  • Birmingham Road
  • Studley
  • Warwickshire B80 7AS
  • United Kingdom
  • Portsmouth
  • AT&T GNS United Kingdom
  • 1000 Lakeside, North Harbour
  • Portsmouth
  • United Kingdom

Argentina

  • Buenos Aires
  • AT&T GNS Argentina
  • Juana Manso 555, 3rd FL, B.
  • Dique IV, Puerto Madero
  • Capital Federal (C1106CBK)
  • Buenos Aires
  • Argentina
  • Telephone: +54 (11) 5297-9501
  • Buenos Aires
  • AT&T GNS Argentina
  • Edison 2659, Edificio 2
  • San Isidro (B1640HSA)
  • Buenos Aires
  • Argentina
  • Tel: +54 (11) 5297-9525

Brazil

Chile

  • Santiago
  • AT&T GNS Chile
  • Malaga 89, Piso 7, Las Condes
  • Santiago 6761570
  • Chile
  • Tel: +56 2 23657921

Colombia

  • Bogota
  • AT&T GNS Colombia Ltda.
  • Cra. 7 #116-50, Of. 5-119.
  • Bogota
  • Colombia
  • Phone +57 1 508 5548

Costa Rica

  • Costa Rica
  • AT&T SERVICIOS DE COMUNICACION DE COSTA RICA S.A.
  • Sabana Business Center, piso 11.
  • Calle 68 y Bulevar Rohrmoser.
  • San Jose
  • Costa Rica
  • Telephone:
  • + (506) 2536-6403 (Sales & Operations)
  • 0800-0114-114, + 877-ATT-FIXX
  • (877-288-3499) (Customer Service Center)

El Salvador

  • San Salvador
  • AT&T GNS El Salvador
  • 89 Av. norte y Calle El Mirador
  • Edif. WTC, torre 1, nivel 2
  • Col. Escalon, San Salvador
  • El Salvador
  • Tel: +(503) 2509-0890

Guatemala

  • Guatemala City
  • AT&T GNS Guatemala
  • 3a. avenida 13-78 zona 10 Edificio Torre
  • Citibank 8vo. Nivel
  • Guatemala City
  • Guatemala

Mexico

  • Mexico City
  • AT&T
  • Río Lerma 232
  • Cuauhtémoc, Mexico City DF 06500
  • Mexico

Panama

  • Panama City
  • AT&T GNS Panama
  • Torre de Las Americas B, Piso 15.
  • Punta Pacifica, Panama City 0832-00155
  • Panama
  • Telephone: +(507) 282-7327

Peru

  • Lima
  • AT&T GNS Peru
  • Av. Victor Andres Belaunde 147
  • Lima 27
  • Peru
  • Tel: +51 1 716 5693

Puerto Rico

  • San Juan
  • AT&T GNS Puerto Rico
  • 996 San Roberto street
  • Reparto Loyola
  • San Juan, PR 00926
  • Puerto Rico

Venezuela

  • Caracas
  • AT&T GNS Venezuela
  • El Rosal Building
  • Municipio Chacao 1060
  • Venezuela Ave. 7th FL, Office 75. Miranda Estate
  • Venezula

Canada

  • Toronto
  • AT&T Global Services Canada Co.
  • 55 Commerce Valley Drive West, Suite 600
  • Thornhill, , L3T 7V9
  • Ontario
  • Canada
  • Montreal
  • AT&T Global Services Canada Co.
  • 3 Place Ville Marie, Suite 400
  • Montreal, H3B 2E3
  • Quebec
  • Canada
  • Calgary
  • AT&T Global Services Canada Co.
  • 700 Avenue SW 2nd floor, Suite 260
  • Zip Code: 72P 3J4
  • Calgary, AB T2P3J5
  • Canada
  • Vancouver
  • AT&T Global Services Canada Co.
  • 885 West Georgia Street, Suite 1502. 15th floor
  • Vancouver, BC V6C 3E8
  • Canada

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