Blue Cross Blue Shield Prefix Assignments
Prefix begin with I , J, K, L, M
| Prefix | Product | Area | Billing Address | Phone # | Employer |
| IBF | PPO | Excel | IBEW Eastern States (eff 10/02) | ||
| IBM | Empire BC | ||||
| IJC | PPO | Roch | Jones Chemicals (8/97) | ||
| ILT | IL | BC IL, 300 E Randolph St , Chicago , IL , 60601-5099 | 888-253-1178 | Hobart | |
| IMV | MI | BC MI, POB 1618 , Detroit , MI , 48231 | 800-462-7237 | Visten/Visteon Sys (Med Comp)end 9/30/2001 | |
| IPP | PPO | AL | BC AL, PO Box 995 , Birmingham , AL , 35298 | 800-517-6425 | PC 800-248-2342 |
| ITM | MI | BC MI, POB 1618 , Detroit , MI , 48231 | 800-462-7237 | ITT Industries (Medicare Comp) | |
| IUE | PPO | Roch | Valeo Retirees (8/00) | ||
| IUS | SC | BC SC, POB 100121 , Columbia , SC , 29202-3121 | 888-782-2500 | PC 888-376-6544 psych 800-872-4711 | |
| IWW | IL | BC IL, 300 E Randolph St , Chicago , IL , 60601-5099 | 888-253-1178 | ||
| JET | TX | BC TX, POB 655730 , Dallas , TX , 75266-5730 | 800-521-2227 | Express Jet Airlines | |
| JPC | BC Empire, PO Box 5075 , Middletown , NY , 10940 | 800-446-1532 | JP Morgan Chase Bank | ||
| JWF | Indemnity | CNY | PO Box 4809 , Syracuse , NY , 13221 | 315-448-3735 | Joint Welfare Fund |
| KAD | PPO | Excel | Kaddis Manufacturing (eff 8/02) | ||
| KCD | TRAD | Roch | Eastman Kodak – Colorado (9/95) | ||
| KCP | OR | BC OR, POB 1071 , Portland , OR , 97207-1071 | 877-417-6222(Bene | 800-824-8563(PC) | |
| KCT | OR | BC OR, POB 1071 , Portland , OR , 97207-1071 | 877-417-6222 | PC 800-824-8563 Key Corp | |
| KDM | MA | 800-358-2212 | |||
| KLE | PPO | Roch | Kleenbrite Laboratories (1/00) | ||
| KLG | MI | BC MI, POB 166 , Detroit , MI , 48231-0166 | 800-676-2583 | PC 800-572-3413 Psych 800-997-4841 | |
| KNC | MI | BC MI, POB 1618 , Detroit , MI , 48231 | 800-462-7237 | Old Kent (Medicare Comp) | |
| KRL | PPO | Excel | |||
| KRU | PPO | Roch | |||
| KSC | MI | BC MI, POB 1618 , Detroit , MI , 48231 | 800-462-7237 | Kelly Services(Medicare Comp) | |
| KSM | PPO | Excel | Kodak Subsidiary (eff 1/03) | ||
| LAP | TRAD | Roch | Lapp Insulator Company (12/01) | ||
| LCH | PPO | Roch | LeChase Construction (10/00) | ||
| LEC | MI | BC MI, POB 1618 , Detroit , MI , 48231 | 800-462-7237 | Valeo (Medicare Comp) | |
| LEM | LE Meridan Hotels, Inc (NASCO) | ||||
| LEN | MI | BC MI, 600 Lafayette East , Detroit , MI , 48226 | 800-249-5103 | 313-225-9000 | |
| LGN | AL | BC AL, PO Box 995 , Birmingham , AL , 35298 | 800-517-6425 | 800-248-2342 (PC) | |
| LIX | BC MI, 600 Lafayette East , Detroit , MI , 48226 | 800-249-5103 | Jay Alix (Medicare Comp) | ||
| LJG | PPO | CNY | L&JG Stickley | ||
| LPP | PPO | CNY | Lander Company, Inc | ||
| LPR | PPO | Roch | Lapp Insulator Co LLC (10/01) | ||
| LSC | MI | BC MI, POB 1618 , Detroit , MI , 48231 | 800-462-7237 | Lason, Inc (Medicare Comp) | |
| LUS | PPO | Roch | Xelus Inc (5/01) | ||
| LVM | MI | BC MI, POB 1618 , Detroit , MI , 48231 | 800-462-7237 | Valenite (Medicare Comp) | |
| LZC | MI | BC MI, POB 1618 , Detroit , MI , 48231 | 800-462-7237 | La-Z-Boy (Medicare Comp) | |
| MAE | PPO | Excel | Marietta Corp (eff 1/03) | ||
| MAG | NM State University/Medicare | ||||
| MAK | CA | BC CA, POB 60007 , Los Angeles , CA , 90060 | 800-810-8523 | PC 888-596-6009 Kaufmanns | |
| MCD | IL | BC IL, POB 1220 , Chicago , IL , 60690-1220 | 800-730-8446 | PC 800-730-8446 | |
| MCN | Empire | BC Empire, POB 5076 , Middletown , NY , 10940-9076 | 866-219-8695 | ||
| MCS | MI | BC MI, 600 Lafayette East , Detroit , MI , 48226 | 800-249-5103 | Ford Motor Co Salaried (Medicare Comp) | |
| MDC | PPO | MN | BC MN, POB 64560 , St Paul , MN , 55122-1154 | 866-340-8647 | PC 800-528-0934 |
| MDV | PPO | Roch | CellTech US Inc (1/01) | ||
| MLC | Empire BC, POB 5036 , Middletown , NY , 10940-9036 | 800-992-2583 | |||
| MMF | PPO | Roch | Monro Muffler Brake (1/99) | ||
| MNA | PPO | Roch | Manning & Napier (10/00) | ||
| MOG | MI | BC MI, POB 1618 , Detroit , MI , 48231 | 800-462-7237 | Money Foods US Ind (Medicare Comp) | |
| MPF | PPO | CNY | Maines Paper & Food PPO | ||
| MPW | PPO | Roch | M Power Communications (1/01) | ||
| MRC | PPO | CNY | Marietta Corp | ||
| MRT | IL | BC IL, PO Box 1364 , Chicago , IL , 60690-1364 | 800-676-2583 | 800-944-9581 (PC) | |
| MSD | Empire BC, POB 5072 , Middletown , NY , 10940 | 866-770-0254 | Morgan Stanley | ||
| MSH | MI | BC MI, POB 1618 , Detroit , MI , 48231 | 800-462-7237 | MSX International (Medicare Comp) | |
| MTD | MI | BC MI, POB 1618 , Detroit , MI , 48231 | 800-462-7237 | Metaldyne (Medicare Comp) | |
| MTS | MD | BC MD, PO Box 1739 , Cumberland , MD , 21501-1739 | 877-228-7268 | 800-367-1799 (PC) | |
| MVA | PPO | Roch | Val Morgan Cinema Advertising (effective 8/1/02) | ||
| MYT | MI | BC MI, POB 1618 , Detroit , MI , 48231 | 800-462-7237 | Massey Enterprises (Medicare Comp) |
