Maintainers for locales are GNU Libc Maintainers <debian-glibc@lists.debian.org>.
You may want to refer to the following packages that are part of the same source: eglibc-source, glibc-doc, libc-bin, libc-dev-bin, libc0.1, libc0.1-dbg, libc0.1-dev, libc0.1-dev-i386, libc0.1-i386, libc0.1-i686, libc0.1-pic, libc0.1-prof, libc0.1-udeb, libc0.3, libc0.3-dbg, libc0.3-dev, libc0.3-pic, libc0.3-prof, libc0.3-udeb, libc6, libc6-amd64, libc6-dbg, libc6-dev, libc6-dev-amd64, libc6-dev-i386, libc6-dev-mips64, libc6-dev-mipsn32, libc6-dev-ppc64, libc6-dev-s390x, libc6-dev-sparc64, libc6-i386, libc6-i686, libc6-mips64, libc6-mipsn32, libc6-pic, libc6-ppc64, libc6-prof, libc6-s390x, libc6-sparc64, libc6-sparcv9b, libc6-udeb, libc6-xen, libc6.1, libc6.1-alphaev67, libc6.1-dbg, libc6.1-dev, libc6.1-pic, libc6.1-prof, libc6.1-udeb, libnss-dns-udeb, libnss-files-udeb, locales-all, nscd.
You might like to refer to the locales package page, to the Package Tracking System, or to the source package src:eglibc's bug page.
If you find a bug not listed here, please report it.