OH - 222 numbers
Tier 6
013(031,103,130,301,310) 037(073,307,370,703,730) 048(084,408,480,804,840) 134(143,314,341,413,431) 136(163,316,361,613,631) 137(173,317,371,713,731) 138(183,318,381,813,831) 139(193,319,391,913,931) 347(374,437,473,734,743) 349(394,439,493,934,943) 789(798,879,897,978,987)
Tier 4
034(043,403,430) 035(305,503,530) 123(132,312,321) 135(315,513,531) 178(187,718,817) 418(481,814,841) 327(372,723,732) 329(392,923,932) 428(482,824,842) 345(435,534,543) 367(376,637,736) 378(387,738,837) 379(397,739,937) 436(463,634,643) 438(483,834,843) 468(486,648,846) 578(587,785,875) 589(598,895,985) 678(687,867,876)
Tier 3
113(131,311) 133(313,331) 334(343,433) 337(373,733) 448(484,844) 778(787,877) 078(087,807) 185(518,815) 325(523,532) 365(536,635) 375(537,735) 385(538,835) 395(539,935) 478(487,847) 489(498,849)
Tier 2
323(332) 335(533) 377(737) 434(443) 488(848) 878(887) 023(032) 085(805) 618(816) 423(432) 623(632) 628(826) 823(832) 485(845) 685(865)
Tier 1
535 585 885 825 827