AIM/Stanford Number Theory Seminar
- Schedule of talks in Palo Alto, CA, USA.
- http://math.stanford.edu/numbertheorysem/NTS.html

Arizona Winter School
- Annual week-long instructional meetings for graduate students in number theory.
- http://swc.math.arizona.edu/newaws/

Pacific Northwest Number Theory Seminar
- Links to forthcoming and past meetings.
- http://www.pims.math.ca/science/pnw/pnwnt.html

New York Seminar and Workshops
- Schedules of the regular seminar and annual workshops.
- http://www.theoryofnumbers.com/

SERMON
- SouthEast Regional Meeting On Numbers. An informal gathering of number theorists and combinatorialists in the south-eastern USA. Email list, links to meetings.
- http://www.math.clemson.edu/~kevja/SERMON/

Sydney Computational Arithmetic Geometry Seminar
- Sydney University. Normally meeting on Fridays during term.
- http://magma.maths.usyd.edu.au/users/bruin/CompArithGeom/

Seminar on Higher Arithmetic
- University of Nottingham, UK. First meeting: 6 December 2003.
- http://www.maths.nottingham.ac.uk/personal/ibf/har.html

Québec-Vermont Number Theory Seminar
- Every second Thursday, either in Montréal, in Burlington, or in Québec city. Seminar schedules from 1995.
- http://cicma.mathstat.concordia.ca/faculty/chantal/qvnts.html

NoMaDS
- North of England Algebraic Number Theory Group, meeting termly, based at Durham, Nottingham, Sheffield and Manchester. Fifteenth meeting: Nottingham, 29th April 2005.
- http://www.shef.ac.uk/~pm1afj/lms/

New York Joint Number Theory Seminar
- Columbia -- CUNY -- NYU. Thursday evenings, starting 18 September 2003.
- http://www.math.columbia.edu/JointNTS.html

London Number Theory Seminar
- Weekly meetings during term, rotating between University College, King's College and Imperial College.
- http://www.mth.kcl.ac.uk/events/numbtheo.html

KUL-RUG Joint Seminar
- Number Theory and Algebraic Geometry meetings at Katholieke Universiteit Leuven and University of Gent, Belgium.
- http://cage.rug.ac.be/~kulrug/webpagina.html

Five College Number Theory Seminar
- Meets regularly in Massachusetts. Programme, some abstracts.
- http://www.math.umass.edu/~siman/seminar.html