Local prefix guide
Ambler = 445
Buckland = 494
Deering = 363
Kiana = 475
Kivalina = 645
Kobuk = 948
Kotzebue = 442
Noatak = 485
Noorvik = 636
Red Dog = 426
Selawik = 484
Shungnak = 437
Understanding 800 and 900 numbers
Subscribers who choose direct-dial service are responsible for all direct-dial calls, no matter who makes the call. OTZ encourages all members to choose the toll-restricted or calling-card-restricted options to avoid paying for unauthorized charges. To avoid making expensive calls by mistake, know the guidelines about 800/888 and 900 numbers. If you aren’t sure whether a call is free or not, you might want to avoid making the call.800 and 888 prefixes
Calls made to phone numbers that begin with 800 or 888 are free to the person making the call.900 prefix
Calls made to phone numbers that begin with 900 are billed to the person making the call; these calls are free to the company or person receiving the call.Correctional Billing Services
OTZ Telephone Cooperative members are unable to accept collect calls from inmates. In order to receive calls from inmates at correctional institutions, there are two steps you need to follow:- Call OTZ Telephone at 907-442-3114 or 1-800-478-3111 to make sure your telephone is set up to accept collect calls.
- Call Securus Technologies at 1-800-844-6591 to set up your account.