BCBS Alpha Numeric Prefix List (T2A to T9Z)

Today you will find The BCBS Alpha Numeric Prefix List from T2A to T9Z. The alpha Numeric prefix is very important to the identification number. The prefix acts as a key element in confirming the members’ eligibility and coverage information. Prefixes are also used to identify and correctly route claims to the appropriate Blue Cross Blue Shield Plan for processing. Most members with coverage through a Blue Cross Blue Shield Plan are assigned a Three Letter alpha prefix as a part of their unique identification number. The alpha prefix can easily be identified as it is the first three characters.

S.No	Prefix	BCBS Company Name
1	T2A	Blue Cross Blue Shield of Western New York
2	T2B	Blue Cross Blue Shield of Illinois
3	T2C	Blue Cross Blue Shield of Illinois
4	T2D	Blue Cross Blue Shield of Texas
5	T2E	Blue Cross Blue Shield of Texas
6	T2F	Blue Cross Blue Shield of Texas
7	T2G	Blue Cross Blue Shield of Texas
8	T2H	Blue Cross Blue Shield of Illinois
9	T2I	Highmark Blue Cross Blue Shield
10	T2J	Blue Cross Blue Shield of Texas
11	T2K	Blue Cross Blue Shield of Texas
12	T2L	Regence Blue Cross Blue Shield
13	T2M	Anthem Blue Cross of California
14	T2N	Anthem Blue Cross Blue Shield of Virginia
15	T2O	Anthem Blue Cross Blue Shield of Kentucky
16	T2P	Blue Cross Blue Shield of Minnesota
17	T2Q	Anthem Blue Cross of California
18	T2R	Blue Cross Blue Shield of Illinois
19	T2S	Blue Cross Blue Shield of Texas
20	T2T	Blue Cross Blue Shield of Minnesota
21	T2U	Blue Cross Blue Shield of Texas
22	T2V	Capital Blue Cross
23	T2W	Blue Cross Blue Shield of Illinois
24	T2X	Blue Cross Blue Shield of Illinois
25	T2Y	Blue Cross Blue Shield of North Dakota
26	T2Z	Blue Cross Blue Shield of Illinois
27	T3A	Regence Blue Cross Blue Shield
28	T3B	Highmark Blue Cross Blue Shield
29	T3C	Regence Blue Cross Blue Shield
30	T3D	Highmark Blue Cross Blue Shield
31	T3E	Blue Cross Blue Shield of Texas
32	T3F	Highmark Blue Cross Blue Shield
33	T3G	Carefirst Blue Cross Blue Shield
34	T3H	Blue Cross Blue Shield of Illinois
35	T3I	Unassigned Prefix
36	T3J	Highmark Blue Cross Blue Shield
37	T3K	Blue Cross Blue Shield of Texas
38	T3L	Carefirst Blue Cross Blue Shield
39	T3M	Anthem Blue Cross of California
40	T3N	Anthem Blue Cross of California
41	T3O	Unassigned Prefix
42	T3P	Blue Cross Blue Shield of Minnesota
43	T3Q	Unassigned Prefix
44	T3R	Blue Cross Blue Shield of Texas
45	T3S	Blue Cross Blue Shield of Texas
46	T3T	Blue Cross Blue Shield of Minnesota
47	T3U	Anthem Blue Cross Blue Shield of Missouri
48	T3V	Anthem Blue Cross Blue Shield of Ohio
49	T3W	Highmark Blue Cross Blue Shield of West New York
50	T3X	Blue Cross Blue Shield of Texas
51	T3Y	Anthem Blue Cross of California
52	T3Z	Anthem Blue Cross of California
53	T4A	Empire Blue Cross Blue Shield
54	T4B	Empire Blue Cross Blue Shield
55	T4C	Empire Blue Cross Blue Shield
56	T4D	Empire Blue Cross Blue Shield
57	T4E	Empire Blue Cross Blue Shield
58	T4F	Empire Blue Cross Blue Shield
59	T4G	Empire Blue Cross Blue Shield
60	T4H	Blue Cross Blue Shield of Illinois
61	T4I	Unassigned Prefix
62	T4J	Empire Blue Cross Blue Shield
63	T4K	Empire Blue Cross Blue Shield
64	T4L	Empire Blue Cross Blue Shield
65	T4M	Empire Blue Cross Blue Shield
66	T4N	Empire Blue Cross Blue Shield
67	T4O	Anthem Blue Cross Blue Shield of Colorado
68	T4P	Blue Cross Blue Shield of Illinois
69	T4Q	Anthem Blue Cross of California
70	T4R	Blue Cross Blue Shield of Texas
71	T4S	Empire Blue Cross Blue Shield
72	T4T	Blue Cross of Massachusetts
73	T4U	Empire Blue Cross Blue Shield
74	T4V	Empire Blue Cross Blue Shield
75	T4W	Premera Blue Cross Blue Shield of Alaska
76	T4X	Anthem Blue Cross of California
77	T4Y	Anthem Blue Cross of California
78	T4Z	Unassigned Prefix
79	T5A	Anthem Blue Cross of California
80	T5B	Anthem Blue Cross Blue Shield of Ohio
81	T5C	Anthem Blue Cross of California
82	T5D	Anthem Blue Cross of California
83	T5E	Anthem Blue Cross of California
84	T5F	Anthem Blue Cross Blue Shield of Virginia
85	T5G	Anthem Blue Cross Blue Shield of Indiana
86	T5H	Blue Cross Blue Shield of Illinois
87	T5I	Unassigned Prefix
88	T5J	Anthem Blue Cross of California
89	T5K	Anthem Blue Cross of California
90	T5L	Blue Cross Blue Shield of Illinois
91	T5M	Anthem Blue Cross Blue Shield of Colorado
92	T5N	Anthem Blue Cross Blue Shield of Georgia
93	T5O	Anthem Blue Cross Blue Shield of Ohio
94	T5P	Regence Blue Cross Blue Shield
95	T5Q	Anthem Blue Cross of California
96	T5R	Blue Cross Blue Shield of Texas
97	T5S	Blue Cross Blue Shield of Texas
98	T5T	Regence Blue Cross Blue Shield
99	T5U	Anthem Blue Cross Blue Shield of Missouri
100	T5V	Anthem Blue Cross of California
101	T5W	Anthem Blue Cross of California
102	T5X	Anthem Blue Cross of California
103	T5Y	Anthem Blue Cross of California
104	T5Z	Blue Cross Blue Shield of Texas
105	T6A	Empire Blue Cross Blue Shield
106	T6B	Blue Cross Blue Shield of Illinois
107	T6C	Regence Blue Cross Blue Shield
108	T6D	Highmark Blue Shield
109	T6E	Anthem Blue Cross Blue Shield of Georgia
110	T6F	Highmark Blue Cross Blue Shield of Delaware
111	T6G	Regence Blue Cross Blue Shield
112	T6H	Blue Cross Blue Shield of Illinois
113	T6I	Unassigned Prefix
114	T6J	Premera Blue Cross Blue Shield of Alaska
115	T6K	Anthem Blue Cross Blue Shield of Missouri
116	T6L	Empire Blue Cross Blue Shield
117	T6M	Highmark Blue Shield
118	T6N	Blue Cross Blue Shield of Massachusetts
119	T6O	Unassigned Prefix
120	T6P	Anthem Blue Cross Blue Shield of Georgia
121	T6Q	Highmark Blue Cross Blue Shield
122	T6R	Highmark Blue Cross Blue Shield of West Virginia
123	T6S	Anthem Blue Cross Blue Shield of Georgia
124	T6T	Blue Cross Blue Shield of Michigan
125	T6U	Blue Cross Blue Shield of Michigan
126	T6V	Highmark Blue Shield
127	T6W	Highmark Blue Shield
128	T6X	Highmark Blue Cross Blue Shield of Delaware
129	T6Y	Highmark Blue Cross Blue Shield
130	T6Z	Highmark Blue Cross Blue Shield of West Virginia
131	T7A	Anthem Blue Cross Blue Shield of Indiana
132	T7B	Anthem Blue Cross Blue Shield of Indiana
133	T7C	Anthem Blue Cross Blue Shield of Indiana
134	T7D	Unassigned Prefix
135	T7E	Anthem Blue Cross Blue Shield of Indiana
136	T7F	Anthem Blue Cross Blue Shield of Indiana
137	T7G	Anthem Blue Cross Blue Shield of Indiana
138	T7H	Blue Cross Blue Shield of Illinois
139	T7I	Unassigned Prefix
140	T7J	Anthem Blue Cross Blue Shield of Indiana
141	T7K	Anthem Blue Cross Blue Shield of Indiana
142	T7L	Anthem Blue Cross Blue Shield of Indiana
143	T7M	Anthem Blue Cross Blue Shield of Ohio
144	T7N	Empire Blue Cross Blue Shield
145	T7O	Unassigned Prefix
146	T7P	Unassigned Prefix
147	T7Q	Unassigned Prefix
148	T7R	Anthem Blue Cross Blue Shield of Indiana
149	T7S	Anthem Blue Cross of California
150	T7T	Blue Cross Blue Shield of Illinois
151	T7U	Blue Cross Blue Shield of Illinois
152	T7V	Unassigned Prefix
153	T7W	Unassigned Prefix
154	T7X	Blue Cross Blue Shield of Illinois
155	T7Y	Anthem Blue Cross Blue Shield of Ohio
156	T7Z	Anthem Blue Cross Blue Shield of Wisconsin
157	T8A	Carefirst Blue Cross Blue Shield
158	T8B	Blue Shield of Northeastern New York
159	T8C	Anthem Blue Cross Blue Shield of Missouri
160	T8D	Anthem Blue Cross Blue Shield of Missouri
161	T8E	Blue Cross Blue Shield of Massachusetts
162	T8F	Anthem Blue Cross Blue Shield of Georgia
163	T8G	Anthem Blue Cross Blue Shield of Georgia
164	T8H	Blue Cross Blue Shield of Illinois
165	T8I	Unassigned Prefix
166	T8J	Unassigned Prefix
167	T8K	Unassigned Prefix
168	T8L	Anthem Blue Cross of California
169	T8M	Premera Blue Cross Blue Shield of Alaska
170	T8N	Blue Cross Blue Shield of Illinois
171	T8O	Unassigned Prefix
172	T8P	Anthem Blue Cross of California
173	T8Q	Unassigned Prefix
174	T8R	Premera Blue Cross Blue Shield of Alaska
175	T8S	Anthem Blue Cross Blue Shield of Georgia
176	T8T	Anthem Blue Cross Blue Shield of Georgia
177	T8U	Unassigned Prefix
178	T8V	Carefirst Blue Cross Blue Shield
179	T8W	Anthem Blue Cross of California
180	T8X	Anthem Blue Cross Blue Shield of Colorado
181	T8Y	Anthem Blue Cross of California
182	T8Z	Blue Cross Blue Shield of Massachusetts
183	T9A	Anthem Blue Cross Blue Shield of Ohio
184	T9B	Unassigned Prefix
185	T9C	Regence Blue Cross Blue Shield
186	T9D	Anthem Blue Cross Blue Shield of Georgia
187	T9E	Anthem Blue Cross Blue Shield of Indiana
188	T9F	Anthem Blue Cross Blue Shield of Indiana
189	T9G	Anthem Blue Cross Blue Shield of Indiana
190	T9H	Blue Cross Blue Shield of Illinois
191	T9I	Unassigned Prefix
192	T9J	Anthem Blue Cross Blue Shield of Indiana
193	T9K	Anthem Blue Cross Blue Shield of Indiana
194	T9L	Anthem Blue Cross Blue Shield of Indiana
195	T9M	Anthem Blue Cross Blue Shield of Indiana
196	T9N	Blue Cross Blue Shield of Minnesota
197	T9O	Unassigned Prefix
198	T9P	Anthem Blue Cross Blue Shield of Indiana
199	T9Q	Unassigned Prefix
200	T9R	Empire Blue Cross Blue Shield
201	T9S	Blue Cross Blue Shield of Illinois
202	T9T	Carefirst Blue Cross Blue Shield
203	T9U	Unassigned Prefix
204	T9V	Carefirst Blue Cross Blue Shield
205	T9W	Anthem Blue Cross Blue Shield of Wisconsin
206	T9X	Empire Blue Cross Blue Shield
207	T9Y	Anthem Blue Cross Blue Shield of Ohio
208	T9Z	Anthem Blue Cross Blue Shield of Connecticut

Some identification cards may not include an alpha prefix, which may indicate that the claim filing instructions for these type policies are different. We suggest that you verify claim filing instructions during the time eligibility information is obtained. If not, please follow the instructions on the back of the member’s ID card or contact the plan directly. Member eligibility can be obtained at 1 (800) 676-BLUE (2583). Once connected, you will then simply provide the alpha prefix and the operator will then route you to the member’s plan. Helpful Tips Related to the Alpha Prefix:

1. Do not omit or randomly select an alpha prefix.
2. Do not substitute another Blue Cross Blue Shield Member’s prefix.
3. Include the alpha prefix and all alpha numeric characters preceding the alpha prefix on all correspondence and claims submitted to Blue Cross Blue Shield of Texas.
4. The alpha prefix is always three letters followed by the member’s ID number which can be from 6 up to 14 characters total.
5. If possible, make copies of the member’s ID card (front and back) for your records.
6. We recommend that you obtain a copy of the ID card any time there has been a coverage or policy change. If there are no changes, we suggest that you obtain card copies annually.

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