Huancayo Information:
Telephone: Country code: 51
City code: 64 
Huancayo to and from Lima:
Getting buses to and from Lima from Huancayo is fairly easy. Buses run regularly and the trip normally takes about six to seven hours.
Huancayo to Lima:
Cruz del Sur: (Jr, Ayacucho 281, 51-6-423-2650) has four departures daily (8 a.m., 1:30 p.m., 11 p.m. and 11:30 p.m.).
Ormeño (Av. Mariscal Castilla Nº 1379, 251-199) offers three departures to Lima daily.
E.T.U.C.S.A. (Puno 220, 226-524) offers several departures daily, including three overnighters.
Mariscal Cáceres (Calle Real 1245, 216-635) Leaves twice a day (9:30 a.m., 10:30 p.m.) but the buses stop along the way and may not have a bathroom (don't forget: seven-hour trip).
Pullman (Avenida Ferrocarril 601, 266-120) has one overnight bus that leaves daily at 11:30 p.m.
Rogger (Jirón Lima 561, 212-687) offers one daily overnight bus (no bathroom).
Bus Peru (Paseo la Breña 235, 808-053) has three departures daily (8:30 a.m., 9 p.m., 10:45 p.m.). The last of these three is an overnight bus with sleeper facilities.
Judith (Ayacucho 282, 219-276) has one overnight bus to Lima (11:30 p.m.).
Lima to Huancayo:
Cruz del Sur has four departures daily (7:45 a.m., 1:30 p.m., 10:45 and 11:30 p.m., be sure to get there early). You can book online at: http://www.go2peru.com/ecs3_ing_b.htm.
Huancayo to Jauja/Concepción:
Little buses leave regularly from the corner of Jr. Amazonas and Av. Giraldez, or you can catch a colectivo at Calle Calixta 531.  The trip to Concepción takes about 20-30 minutes, and about 50 minutes to Jauja.
Huancayo to Huancavelica:
The train is the best way to reach the city. The station is at Av. Ferrocarril 461 in Chilca (51-6-421-7294). There are two trains daily, at 6:30 a.m. and 1 p.m. (2 p.m. and 6 p.m. on Sundays), taking four to five hours. Prices vary depending on class. If you do not want to take the scenic train ride there are other transportation options. Bus TICLSAS (corner of Ancash and Angaraes) Chilca has several departures leaving daily. Traveling time is about five hours.
By car: Autos depart for Huancavelica whenever they fill up with four passengers from Real 1241, Chilca. (365-417). At three hours, this is the quickest way to go.
Huancayo to Ayacucho:
This grueling but scenic 12-hour trip is serviced by two companies:
Exp Lobato (Jr. Omar Yali 148-158, 51-6-231-892) has one daily overnight departure (8:30 p.m.).
Molina (Angaraes 334 Chilca, 224501) has four departures (6:30 a.m., 8:00 a.m., 8 p.m. and 9 p.m.). Some buses have bathrooms, others do not so check ahead to reserve a seat on one that does for a more comfortable trip.
Huancayo to Satipo:
A scenic trip down into the jungle. Via La Merced, the trip takes about nine hours.
Exp Lobato (Jr. Omar Yali 148-158, 51-6-231-892) has four daily departures: 7 a.m., 11 a.m., 9:30 p.m. and 10 p.m.
Huancayo to Huanuco:
Turismo Central (Ayacucho 274, 51-6-422-3128) departs daily at 10:15 p.m. (seven hours).