There are other posts here on the board about this... while not common, it's not rare either.
Look in the local phone books, or Google for nearby frame & axle shops... any of them should be able to do the job for you, to either repair or replace as necessary.
Sucks when it happens on the road, but just a bump in the road. At least it didn't happen last week between Christmas & New Years. Good luck!
2013 VOLTAGE 3200 (EPIC I & II)
2014 Ford F-450 PLATINUM