BCBS Alpha Numeric Prefix List (X2A to X9Z)

Today you will find The BCBS Alpha Numeric Prefix List from X2A to X9Z. 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	X3C	Anthem Blue Cross Blue Shield of Colorado
2	X6A	Anthem Blue Cross Blue Shield of Colorado
3	X7A	Anthem Blue Cross Blue Shield of Connecticut
4	X7B	Anthem Blue Cross Blue Shield of Connecticut
5	X7C	Anthem Blue Cross Blue Shield of Connecticut
6	X7D	Anthem Blue Cross Blue Shield of Connecticut
7	X7E	Anthem Blue Cross Blue Shield of Connecticut
8	X7F	Anthem Blue Cross Blue Shield of Connecticut
9	X7G	Anthem Blue Cross Blue Shield of Connecticut
10	X7H	Anthem Blue Cross Blue Shield of Connecticut
11	X7J	Anthem Blue Cross Blue Shield of Connecticut
12	X7K	Anthem Blue Cross Blue Shield of Connecticut
13	X7L	Anthem Blue Cross Blue Shield of Connecticut
14	X7M	Anthem Blue Cross Blue Shield of Connecticut
15	X7N	Anthem Blue Cross Blue Shield of Connecticut
16	X7P	Anthem Blue Cross Blue Shield of Connecticut
17	X4D	Anthem Blue Cross Blue Shield of Indiana
18	X6B	Anthem Blue Cross Blue Shield of Indiana
19	X6C	Anthem Blue Cross Blue Shield of Indiana
20	X6D	Anthem Blue Cross Blue Shield of Indiana
21	X6E	Anthem Blue Cross Blue Shield of Indiana
22	X6H	Anthem Blue Cross Blue Shield of Indiana
23	X6J	Anthem Blue Cross Blue Shield of Indiana
24	X6L	Anthem Blue Cross Blue Shield of Indiana
25	X6N	Anthem Blue Cross Blue Shield of Indiana
26	X6P	Anthem Blue Cross Blue Shield of Indiana
27	X6Q	Anthem Blue Cross Blue Shield of Indiana
28	X6R	Anthem Blue Cross Blue Shield of Indiana
29	X6S	Anthem Blue Cross Blue Shield of Indiana
30	X6U	Anthem Blue Cross Blue Shield of Indiana
31	X6V	Anthem Blue Cross Blue Shield of Indiana
32	X3B	Anthem Blue Cross Blue Shield of New Hampshire
33	X3D	Anthem Blue Cross Blue Shield of New Hampshire
34	X3F	Anthem Blue Cross Blue Shield of New Hampshire
35	X3G	Anthem Blue Cross Blue Shield of New Hampshire
36	X8L	Anthem Blue Cross Blue Shield of Ohio
37	X2M	Anthem Blue Cross Blue Shield of Virginia
38	X3M	Anthem Blue Cross Blue Shield of Virginia
39	X4M	Anthem Blue Cross Blue Shield of Virginia
40	X5C	Anthem Blue Cross Blue Shield of Virginia
41	X5M	Anthem Blue Cross Blue Shield of Virginia
42	X6M	Anthem Blue Cross Blue Shield of Virginia
43	X4C	Anthem Blue Cross Blue Shield of Wisconsin
44	X4Z	Anthem Blue Cross Blue Shield of Wisconsin
45	X2F	Anthem Blue Cross of California
46	X3T	Anthem Blue Cross of California
47	X4A	Anthem Blue Cross of California
48	X4H	Anthem Blue Cross of California
49	X5A	Anthem Blue Cross of California
50	X8A	Anthem Blue Cross of California
51	X8B	Anthem Blue Cross of California
52	X8M	Anthem Blue Cross of California
53	X8S	Anthem Blue Cross of California
54	X9B	Anthem Blue Cross of California
55	X9D	Anthem Blue Cross of California
56	X9G	Anthem Blue Cross of California
57	X9M	Anthem Blue Cross of California
58	X9S	Anthem Blue Cross of California
59	X2U	Blue Cross Blue Shield of Illinois
60	X4N	Premera Blue Cross Blue Shield of Alaska
61	X4Q	Premera Blue Cross Blue Shield of Alaska
62	X4W	Premera Blue Cross Blue Shield of Alaska
63	X6F	Premera Blue Cross Blue Shield of Alaska
64	X7W	Premera Blue Cross Blue Shield of Alaska
65	X7Y	Premera Blue Cross Blue Shield of Alaska
66	X4F	Regence Blue Cross Blue Shield
67	X4G	Regence Blue Cross Blue Shield
68	X4S	Regence Blue Cross Blue Shield
69	X4T	Regence Blue Cross Blue Shield
70	X8C	Regence Blue Cross Blue Shield
71	X2A	Anthem Blue Cross Blue Shield of Connecticut
72	X2B	Blue Cross of Idaho
73	X2C	Anthem Blue Cross Blue Shield of Connecticut
74	X2D	Anthem Blue Cross Blue Shield of Connecticut
75	X2E	Anthem Blue Cross Blue Shield of Connecticut
76	X2G	Unassigned Prefix
77	X2H	Wellmark
78	X2I	Unassigned Prefix
79	X2J	Unassigned Prefix
80	X2K	Unassigned Prefix
81	X2L	Unassigned Prefix
82	X2N	Unassigned Prefix
83	X2O	Unassigned Prefix
84	X2P	Anthem Blue Cross Blue Shield of Virginia
85	X2Q	Wellmark
86	X2R	Blue Cross Blue Shield of Illinois
87	X2S	Blue Cross Blue Shield of Illinois
88	X2T	Blue Cross Blue Shield of Illinois
89	X2V	Unassigned Prefix
90	X2W	Unassigned Prefix
91	X2X	Unassigned Prefix
92	X2Y	Unassigned Prefix
93	X2Z	Unassigned Prefix
94	X3A	Anthem Blue Cross Blue Shield of New Hampshire
95	X3E	Unassigned Prefix
96	X3H	Wellmark
97	X3I	Unassigned Prefix
98	X3J	Unassigned Prefix
99	X3K	Unassigned Prefix
100	X3L	Unassigned Prefix
101	X3N	Unassigned Prefix
102	X3O	Unassigned Prefix
103	X3P	Unassigned Prefix
104	X3Q	Unassigned Prefix
105	X3R	Unassigned Prefix
106	X3S	Unassigned Prefix
107	X3U	Unassigned Prefix
108	X3V	Unassigned Prefix
109	X3W	Unassigned Prefix
110	X3X	Unassigned Prefix
111	X3Y	Unassigned Prefix
112	X3Z	Unassigned Prefix
113	X4B	Unassigned Prefix
114	X4E	Regence Blue Cross Blue Shield
115	X4I	Unassigned Prefix
116	X4J	Unassigned Prefix
117	X4K	Unassigned Prefix
118	X4L	Unassigned Prefix
119	X4O	Unassigned Prefix
120	X4P	Unassigned Prefix
121	X4R	Regence Blue Cross Blue Shield
122	X4U	Unassigned Prefix
123	X4V	Regence Blue Cross Blue Shield
124	X4X	Anthem Blue Cross Blue Shield of Colorado
125	X4Y	Unassigned Prefix
126	X5B	Anthem Blue Cross Blue Shield of Connecticut
127	X5D	Unassigned Prefix
128	X5E	Unassigned Prefix
129	X5F	Unassigned Prefix
130	X5G	Unassigned Prefix
131	X5H	Unassigned Prefix
132	X5I	Unassigned Prefix
133	X5J	Unassigned Prefix
134	X5K	Unassigned Prefix
135	X5L	Unassigned Prefix
136	X5N	Unassigned Prefix
137	X5O	Unassigned Prefix
138	X5P	Anthem Blue Cross Blue Shield of Connecticut
139	X5Q	Unassigned Prefix
140	X5R	Unassigned Prefix
141	X5S	Unassigned Prefix
142	X5T	Anthem Blue Cross Blue Shield of Connecticut
143	X5U	Unassigned Prefix
144	X5V	Unassigned Prefix
145	X5W	Unassigned Prefix
146	X5X	Unassigned Prefix
147	X5Y	Unassigned Prefix
148	X5Z	Unassigned Prefix
149	X6G	Anthem Blue Cross Blue Shield of Connecticut
150	X6I	Unassigned Prefix
151	X6K	Anthem Blue Cross Blue Shield of Indiana
152	X6O	Unassigned Prefix
153	X6T	Anthem Blue Cross Blue Shield of Connecticut
154	X6W	Unassigned Prefix
155	X6X	Unassigned Prefix
156	X6Y	Unassigned Prefix
157	X6Z	Unassigned Prefix
158	X7I	Unassigned Prefix
159	X7O	Unassigned Prefix
160	X7Q	Unassigned Prefix
161	X7R	Unassigned Prefix
162	X7S	Unassigned Prefix
163	X7T	Unassigned Prefix
164	X7U	Unassigned Prefix
165	X7V	Unassigned Prefix
166	X7X	Unassigned Prefix
167	X7Z	Unassigned Prefix
168	X8D	Unassigned Prefix
169	X8E	Unassigned Prefix
170	X8F	Unassigned Prefix
171	X8G	Unassigned Prefix
172	X8H	Unassigned Prefix
173	X8I	Unassigned Prefix
174	X8J	Unassigned Prefix
175	X8K	Unassigned Prefix
176	X8N	Unassigned Prefix
177	X8O	Unassigned Prefix
178	X8P	Unassigned Prefix
179	X8Q	Unassigned Prefix
180	X8R	Unassigned Prefix
181	X8T	Unassigned Prefix
182	X8U	Unassigned Prefix
183	X8V	Unassigned Prefix
184	X8W	Unassigned Prefix
185	X8X	Unassigned Prefix
186	X8Y	Unassigned Prefix
187	X8Z	Unassigned Prefix
188	X9A	Anthem Blue Cross of California
189	X9C	Unassigned Prefix
190	X9E	Unassigned Prefix
191	X9F	Unassigned Prefix
192	X9H	Unassigned Prefix
193	X9I	Unassigned Prefix
194	X9J	Unassigned Prefix
195	X9K	Unassigned Prefix
196	X9L	Unassigned Prefix
197	X9N	Unassigned Prefix
198	X9O	Unassigned Prefix
199	X9P	Anthem Blue Cross Blue Shield of Wisconsin
200	X9Q	Unassigned Prefix
201	X9R	Unassigned Prefix
202	X9T	Unassigned Prefix
203	X9U	Unassigned Prefix
204	X9V	Unassigned Prefix
205	X9W	Unassigned Prefix
206	X9X	Unassigned Prefix
207	X9Y	Unassigned Prefix
208	X9Z	Unassigned Prefix

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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