Here is a list of FAN numbers I've found.
Pick from the list:
EMPLOYER / FAN / Service Discount
ABBOTT LABORATORIES V2 GSM-SPON 88898 10%
AOSPONSORSHIP GSM 30832 22%
AOSPONSORSHIP TDMA 8614 22%
ADP TOTALSOURCE GSM 30833 22%
ADP TOTALSOURCE TDMA -SPON 14564 22%
AFSCME (UNION PLUS) 113662 10%
AKZO NOBEL SPONSORSHIP GSM 33638 15%
AKZO NOBEL SPONSORSHIP TDMA 12477 15%
ALCATEL-LUCENT SPONSORSHIP GSM 18318 17%
ALCATEL-LUCENT GSM SPON END USER BUY 27049 17%
AMERICAN EXPRESS SPONSORSHIP GSM 27377 20%
AMERICAN EXPRESS SPONSORSHIP TDMA 26748 20%
APPLE SPONSORHSIP GSM 30907 20%
APPLE SPONSORHSIP TDMA 15708 20%
ARINC SPONSOR GSM 34250 8%
ARMY & NATIONAL GUARD -SPON 11064 19%
ASSOCIATED PRESS-N GSM CCDA MAC IRU 2383468 4%
AT&T COMP-SPON 49289 20%
AT&T SPONSORSHIP GSM 18463 19%
BELLSOUTH EMPLOYEES & RETIREES GSM 2405158 19%
BERGEN COMMUNITY COLLEGE 10%
BLUE CROSS (BCBSA) EMPLOYEE PROGRAM GSM 30843 17%
BLUE CROSS (BCBSA) EMPLOYEE PROGRAM TDMA 30623 17%
BNSF RAILWAY GSM 23236 12%
BNSF RAILWAY TDMA 9091 12%
BOWDOIN COLLEGE EMPLOYEE 94572 6%
BOWDOIN COLLEGE STUDENTS 94579 5%
BURGER KING SPONSORSHIP GSM 47738 17%
CARIB0U COFFEE 7%
CBS EMPLOYEES GSM 2393234 15%
CHASE BANK COMP GSM-SPON 49295 25%
CITIGROUP SPONSORSHI-N COMP GSM CDA ATTA 51992 20%
CITY OF NY EMPLOYEES GSM-SPON 45223 20%
CLEMSON UNIVERSITY EMPLOYEE 2389798 15%
COMPASS BANCSHARES SPONSORSHIP GSM 105937 10%
COMPASS GROUP GSM 52909 20%
COMPASS GROUP TDMA 52812 20%
CORNING INC. GSM 2238705 7%
COUNTY OF SANTA BARBARA SPONSORSHIP GSM 2414158 15%
CSC SPONSORSHIP GSM-SPON 30667 22%
DELL USA LP SPON GSM 121473 19%
DEPARTMENT OF THE TREASURY-N GOV IRU 2301739 15%
DePAUW UNIVERSITY EMPLOYEES GSM 2537559 15%
DePAUW UNIVERSITY STUDENTS GSM 2529852 10%
DHL-SPONSORSHIP TDMA 27842 10%
DHL-SPONSORSHIP GSM 29007 10%
DOMINOS FRANCHISE IRU V2-S GSM 102170 17%
DOMINOS PIZZA LLC-SPON GSM 31529 17%
DOMINOS PIZZA LLC-SPON TDMA 13162 17%
DOMINO TEAM WASHINGTON INC. GSM 56871 0%
DOMINO TEAM WASHINGTON INC. TDMA 56871 0%
EMC CORP GSM-15%-SPON 49201 15%
FEDEX SPON GSM 40711 22%
FEDEX SPON TDMS 40485 22%
HEWLETT-PACKARD COMPANY GSM 26206 27%
HEWLETT-PACKARD COMPANY TDMA 19522 27%
HOOTERS OF AMERICA INC-N 1Q9 CBE IRU GSM 2491527 service discount determined monthly
HYATT SPONSORSHIP GSM 29525 18%
HYATT SPONSORSHIP TDMA 8489 18%
IBM PERSONAL COMP GSM-SPON 54216 23%
ILLINOIS INSTITUTE OF TECHNOLOGY 15%
INDIANA UNIVERSITY EMPLOYEES 96046 12%
INDIANA UNIVERSITY STUDENTS 96047 8%
J P MORGAN CHASE & CO-N BANK 1 GSM CDA M 26026 20%
JOHN HANCOCK SPONSORSHIP GSM 71659 12%
JOHN HANCOCK SPONSORSHIP TDMA 71640 12%
JOHNSON & JOHNSON GSM COMP-SPON 90645 25%
KEY BANK NATIONAL ASSOCIATION GSM-SPON 32125 12%
KOCH TRUCKING SPON GSM 62275 4%
LEHIGH UNIVERSITY FACULTY/STAFF 40752 8%
LEHIGH UNIVERSITY STUDENTS 40754 8%
LITTON INDUSTRIES, INC. GSM 43780 20%
LOUISIANA STATE UNIVERSITY STUDENT GSM 2448495 0%
MARSHALL FIELD'S 9%
MASSACHUSETTS INSTITUE OF TECHNOLOGY CORPORATE 15%
MASSACHUSETTS INSTITUE OF TECHNOLOGY EMPLOYEE/STUDENT 10%
MAXIM HEALTHCARE SPONSORSHIP GSM 29059 15%
MAXIM HEALTHCARE SPONSORSHIP TDMA 28976 15%
McAFEE HENDERSON, STRICK IRU GSM 2423944 3%
MERRILL LYNCH COMP GSM-SPON 48926 16%
MERVYN'S 9%
MICROSOFT EMPLOYEE GSM 28019 15%
MORRISON & FOERSTER WBA GSM 81711 20%
MORRISON & FOERSTER WBA TDMA 81711 20%
MOTOR COACH INT'L SPONSORSHIP GSM 84823 11%
MOTOR COACH INT'L SPONSORSHIP TDMA 13873 11%
MOTOROLA SPONSORSHIP GSM 19014 13%
MOTOROLA SPONSORSHIP TDAM 16390 13%
NASA EMPLOYEES GSM 60002 15%
NASA EMPLOYEES TDMA 13129 15%
NATL UNION MEM GSM-SPON (Union Plus) 113662 10%
NEWS CORP COMP GSM-SPON 50765 0%
NOKIA SPONSORSHIP GSM 25192 15%
NOKIA SPONSORSHIP TDMA 17443 15%
NORTH FLORIDA GOVERNMENT WORKERS 15%
NORTHROP GRUMMAN EMPLOYEE SPONSORSHIP GSM 28603 20%
NORTHROP GRUMMAN EMPLOYEE SPONSORSHIP TDMA 9085 20%
NSA INTL IRU GSM 2390950 3%
NYK LOGISTICS GSM 2416316 10%
OLDCASTLE GSM-SPON 41696 20%
ORLANDO REGIONAL MEDICAL CENTER 24%
PAYLESS SHOESOURCE WORLDWIDE, INC. SPONSORSHIP GSM 116597 3%
PAYLESS SHOESOURCE WORLDWIDE, INC. SPONSORSHIP TDMA 116584 3%
PENN STATE FAC &STAFF GSM-SPON 42751 15%
PENN STATE UNIV STUDENTS GSM-SPON 46316 10%
PEPSI AMERICAS GSM 27033 23%
PEPSI AMERICAS TDMA 18403 23%
PEPSICO COMP GSM-SPON 54230 23%
PLAYBOY ENTERPRISES GSM 102006 5%
PURDUE UNIVERSITY EMPLOYEES GSM 2016767 20%
PURDUE UNIVERSITY STUDENTS GSM 2523574 20%
QUICK TRIP GAS STATIONS 9%
RADIO SHACK SPONSORSHIP GSM 2394954 10%
SAN JOSE STATE UNIVERSITY 15%
SBC ORANGE PILOT 15%
SHELL OIL SPONSORSHIP USERS GSM 78913 20%
SNC ALARM SERVICE-N 49V CCDA ATTAINMENT IRU GSM 2530044 5%
SONY SPONSORSHIP GSM 45289 15%
SONY SPONSORSHIP TDMA 13052 15%
SOUTHWEST AIRLINES CO-N GSM CCDA MAC IRU 2391471 23%
STARBUCKS COFFEE PARTNERS GSM 20585 20%
STARBUCKS COFFEE PARTNERS TDMA 14690 20%
STATE OF CALIFORNIA-N GSM GOV IRU 2414289 15%
STATE OF NORTH CAROLINA 15%
STATE OF TEXAS EMPLOYEES AND STUDENTS 15%
STATE OF VIRGINIA-N CDA MAC IRU 18440 15%
SUN MICROSYSTEMS SPONSORSHIP GSM 24342 23%
SUN MICROSYSTEMS SPONSORSHIP TDMA 23869 23%
TARGET CORPORATION GSM-SPON 105636 9%
TEXAS INSTRUMENTS 18%
TID WATER AND POWER 15%
TIME WARNER COMP GSM-SPON 51987 24%
TIME WARNER GSM-SPON 27669 24%
TULANE UNIVERSITY FACULTY/STAFF 2394554 10%
TULANE UNIVERSITY STUDENT 2393783 5%
TURNER BROADCASTING GSM-SPON 45944 24%
UNITED AIRLINES -SPON 12619 20%
UNITED PARCEL SERVICE GENERAL SE-N GSM C 36098 20%
UNITED STATES POSTAL SERVICE (US Postal Spon 2 GSM) 37951 25%
UNITED STATES POSTAL SERVICE (US Postal Spon 2 TDMA) 23958 25%
UNITED STATES POSTAL SERVICE (USPS GSM) 41046 25%
UNITED STATES POSTAL SERVICE (USPS TDMA) 25929 25%
UNITED WATER SPONSORSHIP GSM 34734 6%
UNITED WATER SPONSORSHIP TDMA 15596 6%
UNIVERSITY OF CALIFORNIA BERKELEY-N WSCA 100550 15%
UNIVERSITY OF CALIFORNIA RIVERSIDE GSM EMPLOYEE 2385665 15%
UNIVERSITY OF CALIFORNIA SAN DIEGO 15%
UNIVERSITY OF CENTRAL FLORIDA SPONSORSHIP GSM 82869 15%
UNIVERSITY OF CENTRAL FLORIDA SPONSORSHIP TDMA 82840 15%
UNIVERSITY OF NEVADA RENO EMPLOYEE 91518 15%
UNIVERSITY OF PITTSBURGH EMPLOYEES GSM 83422 15%
UNIVERSITY OF PITTSBURGH EMPLOYEES TDMA 83413 15%
UNIVERSITY OF TEXAS 15%
UNIVERSITY OF VIRGINIA 15%
US CONGRESS GSM 2269290 15%
US MARINE CORPS-N GSM 2421958 15%
US NAVY-N GOV IRU GSM 2421954 15%
US NAVY-N GOV IRU TDMA 11057 15%
USC STUDENT-SPON GSM 48444 10%
USC STUDENT-SPON TDMA 47967 10%
USC STAFF & FACULTY SPON GSM 38339 14%
USC STAFF & FACULTY SPON TDMA 14439 14%
UTAH SOUTWESTERN MEDICAL CENTER 15%
W T BILLARD INC. 32428 19%
WACKENHUT SPON GSM 27739 14%
WACKENHUT SPON TDMA 10642 14%
WAL-MART STORES GSM-SPON 81877 15%
Washington Employee Benefit “WEB” Program Battelle TDMA 43854 15%
Washington Employee Benefit “WEB” Program Battelle GSM/GPRS 45194 15%
WASHINGTON UNIVERSITY ST LOUIS, MO GSM 2384456 24%
WAYNE STATE UNIVERSITY 15%
WILLIAMS SONOMA 7%
WRIGHT III FOODS IRU GSM GSM 2602666 17%
YAHOO SPON GSM 28381 22%
YAHOO SPON TDMA 17813 22%
YUM! BRANDS SPONSORSHIP GSM 2410410 15%
Hewlett Packard discount... 27%
I have heard that bing.com (Microsoft) gets 35%... haven't tried yet.
Pick from the list:
EMPLOYER / FAN / Service Discount
ABBOTT LABORATORIES V2 GSM-SPON 88898 10%
AOSPONSORSHIP GSM 30832 22%
AOSPONSORSHIP TDMA 8614 22%
ADP TOTALSOURCE GSM 30833 22%
ADP TOTALSOURCE TDMA -SPON 14564 22%
AFSCME (UNION PLUS) 113662 10%
AKZO NOBEL SPONSORSHIP GSM 33638 15%
AKZO NOBEL SPONSORSHIP TDMA 12477 15%
ALCATEL-LUCENT SPONSORSHIP GSM 18318 17%
ALCATEL-LUCENT GSM SPON END USER BUY 27049 17%
AMERICAN EXPRESS SPONSORSHIP GSM 27377 20%
AMERICAN EXPRESS SPONSORSHIP TDMA 26748 20%
APPLE SPONSORHSIP GSM 30907 20%
APPLE SPONSORHSIP TDMA 15708 20%
ARINC SPONSOR GSM 34250 8%
ARMY & NATIONAL GUARD -SPON 11064 19%
ASSOCIATED PRESS-N GSM CCDA MAC IRU 2383468 4%
AT&T COMP-SPON 49289 20%
AT&T SPONSORSHIP GSM 18463 19%
BELLSOUTH EMPLOYEES & RETIREES GSM 2405158 19%
BERGEN COMMUNITY COLLEGE 10%
BLUE CROSS (BCBSA) EMPLOYEE PROGRAM GSM 30843 17%
BLUE CROSS (BCBSA) EMPLOYEE PROGRAM TDMA 30623 17%
BNSF RAILWAY GSM 23236 12%
BNSF RAILWAY TDMA 9091 12%
BOWDOIN COLLEGE EMPLOYEE 94572 6%
BOWDOIN COLLEGE STUDENTS 94579 5%
BURGER KING SPONSORSHIP GSM 47738 17%
CARIB0U COFFEE 7%
CBS EMPLOYEES GSM 2393234 15%
CHASE BANK COMP GSM-SPON 49295 25%
CITIGROUP SPONSORSHI-N COMP GSM CDA ATTA 51992 20%
CITY OF NY EMPLOYEES GSM-SPON 45223 20%
CLEMSON UNIVERSITY EMPLOYEE 2389798 15%
COMPASS BANCSHARES SPONSORSHIP GSM 105937 10%
COMPASS GROUP GSM 52909 20%
COMPASS GROUP TDMA 52812 20%
CORNING INC. GSM 2238705 7%
COUNTY OF SANTA BARBARA SPONSORSHIP GSM 2414158 15%
CSC SPONSORSHIP GSM-SPON 30667 22%
DELL USA LP SPON GSM 121473 19%
DEPARTMENT OF THE TREASURY-N GOV IRU 2301739 15%
DePAUW UNIVERSITY EMPLOYEES GSM 2537559 15%
DePAUW UNIVERSITY STUDENTS GSM 2529852 10%
DHL-SPONSORSHIP TDMA 27842 10%
DHL-SPONSORSHIP GSM 29007 10%
DOMINOS FRANCHISE IRU V2-S GSM 102170 17%
DOMINOS PIZZA LLC-SPON GSM 31529 17%
DOMINOS PIZZA LLC-SPON TDMA 13162 17%
DOMINO TEAM WASHINGTON INC. GSM 56871 0%
DOMINO TEAM WASHINGTON INC. TDMA 56871 0%
EMC CORP GSM-15%-SPON 49201 15%
FEDEX SPON GSM 40711 22%
FEDEX SPON TDMS 40485 22%
HEWLETT-PACKARD COMPANY GSM 26206 27%
HEWLETT-PACKARD COMPANY TDMA 19522 27%
HOOTERS OF AMERICA INC-N 1Q9 CBE IRU GSM 2491527 service discount determined monthly
HYATT SPONSORSHIP GSM 29525 18%
HYATT SPONSORSHIP TDMA 8489 18%
IBM PERSONAL COMP GSM-SPON 54216 23%
ILLINOIS INSTITUTE OF TECHNOLOGY 15%
INDIANA UNIVERSITY EMPLOYEES 96046 12%
INDIANA UNIVERSITY STUDENTS 96047 8%
J P MORGAN CHASE & CO-N BANK 1 GSM CDA M 26026 20%
JOHN HANCOCK SPONSORSHIP GSM 71659 12%
JOHN HANCOCK SPONSORSHIP TDMA 71640 12%
JOHNSON & JOHNSON GSM COMP-SPON 90645 25%
KEY BANK NATIONAL ASSOCIATION GSM-SPON 32125 12%
KOCH TRUCKING SPON GSM 62275 4%
LEHIGH UNIVERSITY FACULTY/STAFF 40752 8%
LEHIGH UNIVERSITY STUDENTS 40754 8%
LITTON INDUSTRIES, INC. GSM 43780 20%
LOUISIANA STATE UNIVERSITY STUDENT GSM 2448495 0%
MARSHALL FIELD'S 9%
MASSACHUSETTS INSTITUE OF TECHNOLOGY CORPORATE 15%
MASSACHUSETTS INSTITUE OF TECHNOLOGY EMPLOYEE/STUDENT 10%
MAXIM HEALTHCARE SPONSORSHIP GSM 29059 15%
MAXIM HEALTHCARE SPONSORSHIP TDMA 28976 15%
McAFEE HENDERSON, STRICK IRU GSM 2423944 3%
MERRILL LYNCH COMP GSM-SPON 48926 16%
MERVYN'S 9%
MICROSOFT EMPLOYEE GSM 28019 15%
MORRISON & FOERSTER WBA GSM 81711 20%
MORRISON & FOERSTER WBA TDMA 81711 20%
MOTOR COACH INT'L SPONSORSHIP GSM 84823 11%
MOTOR COACH INT'L SPONSORSHIP TDMA 13873 11%
MOTOROLA SPONSORSHIP GSM 19014 13%
MOTOROLA SPONSORSHIP TDAM 16390 13%
NASA EMPLOYEES GSM 60002 15%
NASA EMPLOYEES TDMA 13129 15%
NATL UNION MEM GSM-SPON (Union Plus) 113662 10%
NEWS CORP COMP GSM-SPON 50765 0%
NOKIA SPONSORSHIP GSM 25192 15%
NOKIA SPONSORSHIP TDMA 17443 15%
NORTH FLORIDA GOVERNMENT WORKERS 15%
NORTHROP GRUMMAN EMPLOYEE SPONSORSHIP GSM 28603 20%
NORTHROP GRUMMAN EMPLOYEE SPONSORSHIP TDMA 9085 20%
NSA INTL IRU GSM 2390950 3%
NYK LOGISTICS GSM 2416316 10%
OLDCASTLE GSM-SPON 41696 20%
ORLANDO REGIONAL MEDICAL CENTER 24%
PAYLESS SHOESOURCE WORLDWIDE, INC. SPONSORSHIP GSM 116597 3%
PAYLESS SHOESOURCE WORLDWIDE, INC. SPONSORSHIP TDMA 116584 3%
PENN STATE FAC &STAFF GSM-SPON 42751 15%
PENN STATE UNIV STUDENTS GSM-SPON 46316 10%
PEPSI AMERICAS GSM 27033 23%
PEPSI AMERICAS TDMA 18403 23%
PEPSICO COMP GSM-SPON 54230 23%
PLAYBOY ENTERPRISES GSM 102006 5%
PURDUE UNIVERSITY EMPLOYEES GSM 2016767 20%
PURDUE UNIVERSITY STUDENTS GSM 2523574 20%
QUICK TRIP GAS STATIONS 9%
RADIO SHACK SPONSORSHIP GSM 2394954 10%
SAN JOSE STATE UNIVERSITY 15%
SBC ORANGE PILOT 15%
SHELL OIL SPONSORSHIP USERS GSM 78913 20%
SNC ALARM SERVICE-N 49V CCDA ATTAINMENT IRU GSM 2530044 5%
SONY SPONSORSHIP GSM 45289 15%
SONY SPONSORSHIP TDMA 13052 15%
SOUTHWEST AIRLINES CO-N GSM CCDA MAC IRU 2391471 23%
STARBUCKS COFFEE PARTNERS GSM 20585 20%
STARBUCKS COFFEE PARTNERS TDMA 14690 20%
STATE OF CALIFORNIA-N GSM GOV IRU 2414289 15%
STATE OF NORTH CAROLINA 15%
STATE OF TEXAS EMPLOYEES AND STUDENTS 15%
STATE OF VIRGINIA-N CDA MAC IRU 18440 15%
SUN MICROSYSTEMS SPONSORSHIP GSM 24342 23%
SUN MICROSYSTEMS SPONSORSHIP TDMA 23869 23%
TARGET CORPORATION GSM-SPON 105636 9%
TEXAS INSTRUMENTS 18%
TID WATER AND POWER 15%
TIME WARNER COMP GSM-SPON 51987 24%
TIME WARNER GSM-SPON 27669 24%
TULANE UNIVERSITY FACULTY/STAFF 2394554 10%
TULANE UNIVERSITY STUDENT 2393783 5%
TURNER BROADCASTING GSM-SPON 45944 24%
UNITED AIRLINES -SPON 12619 20%
UNITED PARCEL SERVICE GENERAL SE-N GSM C 36098 20%
UNITED STATES POSTAL SERVICE (US Postal Spon 2 GSM) 37951 25%
UNITED STATES POSTAL SERVICE (US Postal Spon 2 TDMA) 23958 25%
UNITED STATES POSTAL SERVICE (USPS GSM) 41046 25%
UNITED STATES POSTAL SERVICE (USPS TDMA) 25929 25%
UNITED WATER SPONSORSHIP GSM 34734 6%
UNITED WATER SPONSORSHIP TDMA 15596 6%
UNIVERSITY OF CALIFORNIA BERKELEY-N WSCA 100550 15%
UNIVERSITY OF CALIFORNIA RIVERSIDE GSM EMPLOYEE 2385665 15%
UNIVERSITY OF CALIFORNIA SAN DIEGO 15%
UNIVERSITY OF CENTRAL FLORIDA SPONSORSHIP GSM 82869 15%
UNIVERSITY OF CENTRAL FLORIDA SPONSORSHIP TDMA 82840 15%
UNIVERSITY OF NEVADA RENO EMPLOYEE 91518 15%
UNIVERSITY OF PITTSBURGH EMPLOYEES GSM 83422 15%
UNIVERSITY OF PITTSBURGH EMPLOYEES TDMA 83413 15%
UNIVERSITY OF TEXAS 15%
UNIVERSITY OF VIRGINIA 15%
US CONGRESS GSM 2269290 15%
US MARINE CORPS-N GSM 2421958 15%
US NAVY-N GOV IRU GSM 2421954 15%
US NAVY-N GOV IRU TDMA 11057 15%
USC STUDENT-SPON GSM 48444 10%
USC STUDENT-SPON TDMA 47967 10%
USC STAFF & FACULTY SPON GSM 38339 14%
USC STAFF & FACULTY SPON TDMA 14439 14%
UTAH SOUTWESTERN MEDICAL CENTER 15%
W T BILLARD INC. 32428 19%
WACKENHUT SPON GSM 27739 14%
WACKENHUT SPON TDMA 10642 14%
WAL-MART STORES GSM-SPON 81877 15%
Washington Employee Benefit “WEB” Program Battelle TDMA 43854 15%
Washington Employee Benefit “WEB” Program Battelle GSM/GPRS 45194 15%
WASHINGTON UNIVERSITY ST LOUIS, MO GSM 2384456 24%
WAYNE STATE UNIVERSITY 15%
WILLIAMS SONOMA 7%
WRIGHT III FOODS IRU GSM GSM 2602666 17%
YAHOO SPON GSM 28381 22%
YAHOO SPON TDMA 17813 22%
YUM! BRANDS SPONSORSHIP GSM 2410410 15%
Hewlett Packard discount... 27%
I have heard that bing.com (Microsoft) gets 35%... haven't tried yet.