Worldwide
USA (Eastern, Central, Mountain, Pacific),
Canada
 UK, France, Sweden, Norway, Denmark, Finland, Slovenia
Sri Lanka, Thailand
    
        |  Now in Service  Now Not in Service
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        | Global | 
            
            
 
 
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|  |   |  | 
        |  Australia -4/6|4/7-10/4|10/5-  GMT +10/ +11(summer)
 | 
    
        | Sydney | 
 | Ask Now 9:00-19:00 (AEDT) (M-F) 9:00-20:00 (AEDT) (M-F, Daylight Saving Time) | 
    
        | Melbourne |  | State Library of Victoria | 
    
        | USA | 
        |  Eastern Time Zone -3/7|3/8-10/30|11/1- GMT -5 / -4(summer)
 | 
    
        | CT |  24/7
 | InfoAnytime | 
    
        | DC
 | 
 | Library
of Congress. American Memory Historical Collections Chat Service 14:00-16:00 (M-F, Except Federal Holidays) | 
        | 
 | Library
of Congress. Digital Reference Section Chat Service 14:00-16:00 (M-F, Except Federal Holidays) | 
        | 
 | Library
of Congress. Serial and Government Publications Division Chat Service 14:00-15:00 (M-F, Except Federal Holidays) | 
        | DE |  | Answer Online | 
    
        | FL |  | Florida Ask a Librarian 10:00-24:00 (Su-Th) 10:00-17:00 (F-Sa) | 
    
        | KY |  24/7
 | AskWhyKY | 
    
        | MA |  24/7
 | Boston
Library Consortium ASK 24/7 Service | 
    
        |  | Framingham State University Skype a Librarian 
 
 | 
    
        | MD |  24/7
 | Maryland AskUsNow! | 
        |  | Kent County Public Library | 
    
        | ME |  | Maine State Library Skype a Librarian 
 | 
    
        | MI |  | Orion Township Public Library | 
    
        | NC |  | Ask NCknows | 
    
        | NH | 
 | New Hampshire State Library 11:00-14:00 (M-F) | 
    
        | NY |  24/7
 | New York Public Library | 
    
        | New York Public Library Mobile | 
    
        |  | Brooklyn Public Library | 
    
        |  | Tompkins County Public Library | 
    
        |  | Onondaga
County Public Library Live Online Reference | 
    
        |  | Queens Borough Public Library 10:00-20:00 (M-F) 10:00-16:00 (Sa) | 
    
        |  | Suffork County Public Library 15:00-23:00 (M-F) 17:00-23:00 (Sa) Closing 28 May | 
    
        | OH | 
 | Ohio University Libraries Skype a Librarian 9:00-17:00 (M-F) ohiolibref Ask a OHIO Librarian
 | 
    
        |  | Greene County Public Library | 
    
        |  | Washington Centerville Public Library | 
    
        | PA |  24/7
 | Ask Here PA | 
    
        | RI | 
 | AskRI 9:00-20:00 (M & Th) 9:00-18:00 (Tu & W) 9:00-17:30 (F & Sa) April 2004 started | 
    
        | SC |  | South Carolina State Library Ask Leo 8:30-17:00 (M-F) | 
    
        |  | University
of South Carolina Libraries Ask a Librarian Online | 
    
        |  | Ask a Librarian Richland County Public Library9:00-18:00 (M-F), 10:00-15:00 (Sa-Su)
 | 
    
        |  | Spartanburg County Public Library | 
    
        |  | Florence-Darlington Technical College10 am - 11 am (F)
 | 
    
        | VA |  | Lomgwood University Library | 
    
        |  | University
of Virginia Library AIM: UVALibRef | 
    
|  | Arlington Public Library | 
    
        |  Central Time Zone -3/7|3/8-10/30|11/1-  GMT -6 / -5(summer)
 | 
    
        | IL |  24/7
 | Ask Away Illinois | 
    
        |  | Westmont Public Library | 
    
        |  | Palatine Public Library | 
    
        |  | Skokie Public Library | 
    
        |  | St. Charles Public Library | 
    
        |  | Government Information Online: Ask a Librarian M-Th 8:00-18:00, F 8:00-17:00  | 
    
        | IN |  | Indiana State Library 8:00-16:00 (M-W,F), 8:00-18:30(Th) except holidays | 
    
        |  | Indiana University Purdue University Indianapolis | 
    
        |  | Monroe County Public Library | 
    
        |  | Vigo County Public Library | 
    
        | LA |  | University of Louisiana at Lafayette | 
    
        | TN |  | Austin
Peay State University. Felix G. Woodward Library. Ask A Librarian | 
        |  | Nashville Public Library Ask a Librarian | 
    
        | TX |  | Austin Public Library 10:00-21:00 (M-Th) 10:00-18:00 (T, Sa) 12:00-18:00 (Su) | 
    
        |  | Harris County Public Library, Houston 13:00-17:00 (M-F) | 
    
        |  | Houston Public Library InfoLive 9:00-18:00 (M-F) | 
    
        |  | University of Texas Ask a System Librarian 12:00-24:00 (M-Th) 12:00-16:00 (F) 18:00-24:00 (Su)
 | 
    
        |  | St. Edward's University | 
    
        | WI |  | Skype Reference Madison College M - Th 11:00-19:00, F 9:00-16:30  | 
    
        |  | L.E. Philips Memorial Public Library Ask?Away Eau Claire | 
    
|  | Edgewood College | 
        |  Mountain Time Zone -3/7|3/8-10/30|11/1-  GMT-7 / -6(summer)
 | 
    
        | CO |  24/7
 | AskColorado Except some holidays | 
    
        | ID |  24/7
 | AnswerXpress | 
    
        | MT |  24/7
 | Ask a Montana Librarian Except holidays | 
    
        |  | Missoula Public Library | 
    
        | UT |  | Utah
State Library 9:00-16:00 (M-F) | 
        |  Pacific Time Zone -3/7|3/8-10/30|11/1-  GMT-8 / -7(summer)
 | 
    
        | CA |  | California
State University, Fullerton | 
    
        |  | California
State University, Long Beach | 
    
        |  | San Francisco Public Library | 
    
        |  24/7
 | Santa
Monica Public Library Ask Now | 
    
        | NV |  | Ask Nevada 8:00-21:00 (M-Th) 8:00-18:00 (F) 9:00-18:00 (Sa-Su) | 
    
        | OR |  24/7
 | L-net: Oregon Libraries Network | 
    
        | WA 
 |  24/7
 | Seattle
Public Library. Live Help Chat9:00-18:00
 | 
        |  | University
of Washington Libraries Q & A Live | 
        |  | Washington State Library 8:00-17:00 (M-F) | 
    
        |  | Stevens County Rural Library District 24/7 Reference | 
    
        |  | Mid-Columbia Library. Benton Franklin and Adams County. Ask Us 24/7 | 
    
        |  | Timberland Regional Library | 
    
        |  | Pend Oreille County Library | 
    
        |  | Sno-Isle Regional Library | 
    
        |  | King County Law Library 13:00-16:00 (M-F) | 
        |  Canada Eastern Time Zone -3/7|3/8-10/30|11/1- GMT-5 / -4 (summer)
 | 
    
        | Ottawa | 
 | Library and Archives Canada 11:00-12:00 & 14:00-16:00 (Except statutory holidays) | 
    
        | St. Catharines, Ontario |  | St. Catharines Public Library | 
    
        | West Waterloo |  | University of Waterloo Skype a LibrarianM-F 12:00 –16:00
 | 
    
        | Quebec |  | McGill Library 11:00-17:00 (M-F) | 
    
        | Toronto |  | Toronto Public Library 12:00-20:30 (M-Th) 12:00-17:30 (F) 9:00-17:00 (Sa) | 
    
        | Canada Pacific Time Zone | 
    
        | BC |  | Just Ask | 
    
        |  U.K. -3/29|3/30-10/26|10/27-  GMT 0 / +1 (summer)
 | 
    
        | London |  24/7
 | People's Network Enquire | 
    
        | Cambridgeshire |  | Cambridgeshire County Council 10:00-12:00, 14:00-16:00 (M-Sa) | 
    
        |  France -3/29|3/30-10/26|10/27-  GMT+1 / +2(summer)
 | 
    
        | Paris | 
 | Bibliotheque Centre Pompidou  10:00-12:00 (M,W-F) | 
    
        |  Sweden -3/29|3/30-10/26|10/27- GMT +1 / +2(summer)
 | 
    
        | Umea  | 
 | Umea Region's Libraries 10:00-18:00 (M-Th), 10:00-16:00 (F) | 
    
        | Nationwide | 
 | Fråga Biblioteket/Ask the Library 9:00-21:00 (M-F)
 13:00-17:00 (Sa, Su)
 | 
    
        |  Norway -3/29|3/30-10/26|10/27-  GMT +1 / +2(summer)
 | 
    
        | Oslo | 
 | Biblioteksvar 10:00-16:00 (M-Th) 10:00-15:30 (F) | 
    
        |  Denmark -3/29|3/30-10/26|10/27- GMT +1 / +2(summer)
 | 
    
        | Copenhagen | 
 | Biblioteksvagten 8:00-16:00 (M-F) | 
    
        |  Finland -3/29|3/30-10/26|10/27-  GMT+2 / +3(summer)
 | 
    
        | Helsinki |  | Helsinki City Library 10:00-20:00 (M-Th), 10:00-16:00 (F) | 
    
        | Slovenia | 
    
        | Maribor |  | IZUM: Institute of Information | 
    
        | Sri Lanka GMT +5:30 | 
    
        | Matara |  |  | Ruhuna University | 
    
        |  Thailand GMT+7
 | 
    
        | Bangkok |  | Chulalongkorn University 9:00-16:00 (M-F) |