BCBS Alpha Numeric Prefix List (D2A To D9Z)

Today you will find The BCBS Alpha Numeric Prefix List from D2A to D9Z.

The alpha 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	D2A	Highmark Blue Cross Blue Shield of Delaware
2	D2B	Anthem Blue Cross Blue Shield of Virginia
3	D2C	Blue Cross Blue Shield of Illinois
4	D2D	Anthem Blue Cross Blue Shield of Indiana
5	D2E	Anthem Blue Cross Blue Shield of Indiana
6	D2F	Highmark Blue Cross Blue Shield of Delaware
7	D2G	Highmark Blue Shield
8	D2H	Highmark Blue Cross Blue Shield
9	D2I	Highmark Blue Cross Blue Shield
10	D2J	Highmark Blue Cross Blue Shield of Delaware
11	D2K	Highmark Blue Cross Blue Shield of West Virginia
12	D2L	Highmark Blue Cross Blue Shield
13	D2M	Highmark Blue Cross Blue Shield of Delaware
14	D2N	Highmark Blue Cross Blue Shield of Delaware
15	D2O	Unassigned Prefix
16	D2P	Highmark Blue Cross Blue Shield of Delaware
17	D2Q	Anthem Blue Cross Blue Shield of Nevada
18	D2R	Blue Cross Blue Shield of Illinois
19	D2S	Horizon Blue Cross Blue Shield
20	D2T	Blue Cross Blue Shield of Illinois
21	D2U	Horizon Blue Cross Blue Shield
22	D2V	Highmark Blue Cross Blue Shield of Delaware
23	D2W	Horizon Blue Cross Blue Shield
24	D2X	Highmark Blue Cross Blue Shield of West Virginia
25	D2Y	Highmark Blue Cross Blue Shield of Delaware
26	D2Z	Highmark Blue Shield
27	D3A	Anthem Blue Cross of California
28	D3B	Highmark Blue Cross Blue Shield
29	D3C	Highmark Blue Cross Blue Shield
30	D3D	Highmark Blue Cross Blue Shield
31	D3E	Anthem Blue Cross Blue Shield of Ohio
32	D3F	Anthem Blue Cross Blue Shield of Ohio
33	D3G	Anthem Blue Cross Blue Shield of Ohio
34	D3H	Anthem Blue Cross Blue Shield of Ohio
35	D3I	Unassigned Prefix
36	D3J	Anthem Blue Cross Blue Shield of Ohio
37	D3K	Anthem Blue Cross Blue Shield of Wisconsin
38	D3L	Anthem Blue Cross Blue Shield of Wisconsin
39	D3M	Blue Cross Blue Shield of Vermont
40	D3N	Anthem Blue Cross Blue Shield of Ohio
41	D3O	Unassigned Prefix
42	D3P	CareFirst Blue Cross Blue Shield
43	D3Q	Anthem Blue Cross Blue Shield of Ohio
44	D3R	Anthem Blue Cross Blue Shield of Ohio
45	D3S	Anthem Blue Cross Blue Shield of Ohio
46	D3T	Anthem Blue Cross Blue Shield of Ohio
47	D3U	Anthem Blue Cross Blue Shield of Ohio
48	D3V	Anthem Blue Cross Blue Shield of Ohio
49	D3W	Anthem Blue Cross Blue Shield of Ohio
50	D3X	Anthem Blue Cross Blue Shield of Ohio
51	D3Y	Anthem Blue Cross Blue Shield of Ohio
52	D3Z	Anthem Blue Cross Blue Shield of Wisconsin
53	D4A	Anthem Blue Cross of California
54	D4B	Regence Bue Cross Blue Shield
55	D4C	Regence Bue Cross Blue Shield
56	D4D	Regence Bue Cross Blue Shield
57	D4E	Blue Cross Blue Shield of Texas
58	D4F	Anthem Blue Cross of California
59	D4G	Blue Cross Blue Shield of Western New York
60	D4H	Regence Bue Cross Blue Shield
61	D4I	Unassigned Prefix
62	D4J	Regence Bue Cross Blue Shield
63	D4K	Regence Bue Cross Blue Shield
64	D4L	Blue Shield of Northeastern New York
65	D4M	Horizon Blue Cross Blue Shield
66	D4N	Blue Cross Blue Shield of Illinois
67	D4O	Unassigned Prefix
68	D4P	Unassigned Prefix
69	D4Q	Regence Bue Cross Blue Shield
70	D4R	Anthem Blue Cross Blue Shield of Nevada
71	D4S	Horizon Blue Cross Blue Shield
72	D4T	Anthem Blue Cross Blue Shield of Nevada
73	D4U	Anthem Blue Cross Blue Shield of Maine
74	D4V	Blue Cross Blue Shield of Illinois
75	D4W	Anthem Blue Cross Blue Shield of Maine
76	D4X	Anthem Blue Cross Blue Shield of Maine
77	D4Y	CareFirst Blue Cross Blue Shield
78	D4Z	Blue Cross Blue Shield of Tennessee
79	D5A	Anthem Blue Cross of California
80	D5B	Blue Cross Blue Shield of Texas
81	D5C	CareFirst Blue Cross Blue Shield
82	D5D	CareFirst Blue Cross Blue Shield
83	D5E	CareFirst Blue Cross Blue Shield
84	D5F	Blue Cross Blue Shield of Michigan
85	D5G	Blue Cross Blue Shield of Michigan
86	D5H	Blue Cross Blue Shield of Western New York
87	D5I	Anthem Blue Cross Blue Shield of Virginia
88	D5J	Anthem Blue Cross Blue Shield of Virginia
89	D5K	Anthem Blue Cross Blue Shield of Virginia
90	D5L	CareFirst Blue Cross Blue Shield
91	D5M	Anthem Blue Cross Blue Shield of Virginia
92	D5N	Anthem Blue Cross Blue Shield of Virginia
93	D5O	Unassigned Prefix
94	D5P	Anthem Blue Cross Blue Shield of Virginia
95	D5Q	CareFirst Blue Cross Blue Shield
96	D5R	CareFirst Blue Cross Blue Shield
97	D5S	Horizon Blue Cross Blue Shield
98	D5T	Anthem Blue Cross Blue Shield of Virginia
99	D5U	CareFirst Blue Cross Blue Shield
100	D5V	Blue Cross Blue Shield of Illinois
101	D5W	Anthem Blue Cross Blue Shield of Virginia
102	D5X	Carefirst Blue Cross Blue Shield
103	D5Y	Carefirst Blue Cross Blue Shield
104	D5Z	Anthem Blue Cross Blue Shield of Virginia
105	D6A	Anthem Blue Cross of California
106	D6B	Anthem Blue Cross Blue Shield of Indiana
107	D6C	Blue Cross Blue Shield of Texas
108	D6D	Anthem Blue Cross of California
109	D6E	Carefirst Blue Cross Blue Shield
110	D6F	Carefirst Blue Cross Blue Shield
111	D6G	Horizon Blue Cross Blue Shield
112	D6H	Carefirst Blue Cross Blue Shield
113	D6I	Capital Blue Cross
114	D6J	Independence Blue Cross
115	D6K	Carefirst Blue Cross Blue Shield
116	D6L	Carefirst Blue Cross Blue Shield
117	D6M	Blue Cross Blue Shield of Illinois
118	D6N	Carefirst Blue Cross Blue Shield
119	D6O	Unassigned Prefix
120	D6P	Empire Blue Cross Blue Shield
121	D6Q	Carefirst Blue Cross Blue Shield
122	D6R	Horizon Blue Cross Blue Shield
123	D6S	Carefirst Blue Cross Blue Shield
124	D6T	Blue Cross Blue Shield of Western New York
125	D6U	Carefirst Blue Cross Blue Shield
126	D6V	Blue Cross Blue Shield of Illinois
127	D6W	Carefirst Blue Cross Blue Shield
128	D6X	Carefirst Blue Cross Blue Shield
129	D6Y	Horizon Blue Cross Blue Shield
130	D6Z	Carefirst Blue Cross Blue Shield
131	D7A	Anthem Blue Cross of California
132	D7B	Anthem Blue Cross Blue Shield of Indiana
133	D7C	Anthem Blue Cross Blue Shield of Virginia
134	D7D	Anthem Blue Cross Blue Shield of Ohio
135	D7E	Unassigned Prefix
136	D7F	Anthem Blue Cross Blue Shield of Virginia
137	D7G	Anthem Blue Cross Blue Shield of Virginia
138	D7H	Anthem Blue Cross of California
139	D7I	Unassigned Prefix
140	D7J	Carefirst Blue Cross Blue Shield
141	D7K	Anthem Blue Cross Blue Shield of Ohio
142	D7L	Horizon Blue Cross Blue Shield
143	D7M	Anthem Blue Cross Blue Shield of Connecticut
144	D7N	Anthem Blue Cross Blue Shield of Virginia
145	D7O	Unassigned Prefix
146	D7P	Carefirst Blue Cross Blue Shield
147	D7Q	Horizon Blue Cross Blue Shield
148	D7R	Anthem Blue Cross of California
149	D7S	Carefirst Blue Cross Blue Shield
150	D7T	Horizon Blue Cross Blue Shield
151	D7U	Horizon Blue Cross Blue Shield
152	D7V	Horizon Blue Cross Blue Shield
153	D7W	Horizon Blue Cross Blue Shield
154	D7X	Carefirst Blue Cross Blue Shield
155	D7Y	Carefirst Blue Cross Blue Shield
156	D7Z	Carefirst Blue Cross Blue Shield
157	D8A	Blue Cross Blue Shield of Western New York
158	D8B	Anthem Blue Cross Blue Shield of Indiana
159	D8C	Blue Cross Blue Shield of Texas
160	D8D	Anthem Blue Cross of California
161	D8E	Carefirst Blue Cross Blue Shield
162	D8F	Anthem Blue Cross Blue Shield of Virginia
163	D8G	Anthem Blue Cross of California
164	D8H	Carefirst Blue Cross Blue Shield
165	D8I	Unassigned Prefix
166	D8J	Carefirst Blue Cross Blue Shield
167	D8K	Carefirst Blue Cross Blue Shield
168	D8L	Premera Blue Cross Blue Shield of Alaska
169	D8M	Blue Cross Blue Shield of Illinois
170	D8N	Anthem Blue Cross Blue Shield of Virginia
171	D8O	Unassigned Prefix
172	D8P	Carefirst Blue Cross Blue Shield
173	D8Q	Anthem Blue Cross of California
174	D8R	Carefirst Blue Cross Blue Shield
175	D8S	Carefirst Blue Cross Blue Shield
176	D8T	Carefirst Blue Cross Blue Shield
177	D8U	Carefirst Blue Cross Blue Shield
178	D8V	Anthem Blue Cross Blue Shield of Georgia
179	D8W	Carefirst Blue Cross Blue Shield
180	D8X	Carefirst Blue Cross Blue Shield
181	D8Y	Anthem Blue Cross Blue Shield of Wisconsin
182	D8Z	Anthem Blue Cross Blue Shield of Wisconsin
183	D9A	Anthem Blue Cross of California
184	D9B	Anthem Blue Cross Blue Shield of Indiana
185	D9C	Blue Cross Blue Shield of Minnesota
186	D9D	Carefirst Blue Cross Blue Shield
187	D9E	Blue Cross Blue Shield of Massachusetts
188	D9F	Carefirst Blue Cross Blue Shield
189	D9G	Regence Bue Cross Blue Shield
190	D9H	Anthem Blue Cross Blue Shield of Missouri
191	D9I	Unassigned Prefix
192	D9J	Unassigned Prefix
193	D9K	Carefirst Blue Cross Blue Shield
194	D9L	Regence Bue Cross Blue Shield
195	D9M	Highmark Blue Cross Blue Shield of Delaware
196	D9N	Carefirst Blue Cross Blue Shield
197	D9O	Unassigned Prefix
198	D9P	Carefirst Blue Cross Blue Shield
199	D9Q	Unassigned Prefix
200	D9R	Blue Cross Blue Shield of Illinois
201	D9S	Anthem Blue Cross Blue Shield of Missouri
202	D9T	Anthem Blue Cross Blue Shield of Missouri
203	D9U	Carefirst Blue Cross Blue Shield
204	D9V	Horizon Blue Cross Blue Shield
205	D9W	Carefirst Blue Cross Blue Shield
206	D9X	Carefirst Blue Cross Blue Shield
207	D9Y	Blue Cross Blue Shield of Illinois
208	D9Z	Anthem Blue Cross Blue Shield of Missouri

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:

• Do not omit or randomly select an alpha prefix.
• Do not substitute another Blue Cross Blue Shield Member’s prefix.
• 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.
• The alpha prefix is always three letters followed by the member’s ID number which can be from 6 up to 14 characters total.
• If possible, make copies of the member’s ID card (front and back) for your records.
• 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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