Prefixes from KAA to KZY
| KAA | ANTHEM BCBS – OHIO |
| KAC | ANTHEM BCBS – OHIO |
| KAE | BLUE CROSS AND BLUE SHIELD-ILLINOIS |
| KAG | ANTHEM BLUE CROSS – CALIFORNIA |
| KAH | ANTHEM BCBS – OHIO |
| KAJ | BCBS – LOUISIANA |
| KAK | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KAL | BLUE CROSS AND BLUE SHIELD-ALABAMA |
| KAM | BLUE SHIELD OF CALIFORNIA |
| KAN | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KAR | BLUE CROSS AND BLUE SHIELD-ARIZONA |
| KAS | ANTHEM BCBS – MISSOURI |
| KAT | BLUE CROSS AND BLUE SHIELD-ILLINOIS |
| KAV | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KAW | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KAX | ANTHEM BLUE CROSS – CALIFORNIA |
| KBA | HIGHMARK INC |
| KBB | ANTHEM BLUE CROSS – CALIFORNIA |
| KBD | BCBS – SOUTH CAROLINA |
| KBE | COMPREHENSIVE BENEFITS ADMN-VERMONT |
| KBF | BLUE CROSS AND BLUE SHIELD-ILLINOIS |
| KBG | CAPITAL BLUE CROSS – HARRISBURG PA |
| KBH | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KBI | CAPITAL BLUE CROSS – HARRISBURG PA |
| KBK | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KBM | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KBT | WELLMARK OF IOWA/SOUTH DAKOTA |
| KBU | BLUE SHIELD OF CALIFORNIA |
| KBV | BLUE CROSS AND BLUE SHIELD-GEORGIA |
| KBY | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KBZ | ANTHEM BCBS – OHIO |
| KCB | BCBS – RHODE ISLAND |
| KCC | BLUE CROSS AND BLUE SHIELD-GEORGIA |
| KCE | BLUE CROSS AND BLUE SHIELD-GEORGIA |
| KCF | ANTHEM BCBS – OHIO |
| KCG | BLUE CROSS AND BLUE SHIELD-ILLINOIS |
| KCK | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KCL | BLUE CROSS AND BLUE SHIELD-GEORGIA |
| KCM | HIGHMARK INC |
| KCN | HIGHMARK INC |
| KCO | BCBS OF MICHIGAN |
| KCQ | PREMERA BLUE CROSS – SEATTLE WA |
| KCR | BLUE CROSS AND BLUE SHIELD-GEORGIA |
| KCV | WELLMARK OF IOWA/SOUTH DAKOTA |
| KCW | BCBS OF MICHIGAN |
| KCX | BLUE SHIELD OF CALIFORNIA |
| KCY | ANTHEM BCBS – OHIO |
| KCZ | WELLMARK OF IOWA/SOUTH DAKOTA |
| KDC | BCBS – SOUTH CAROLINA |
| KDD | BLUE CROSS AND BLUE SHIELD-NEBRASKA |
| KDH | ANTHEM BCBS – OHIO |
| KDL | BCBS – KANSAS CITY – MO |
| KDM | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KDN | BLUE CROSS AND BLUE SHIELD-ALABAMA |
| KDP | BCBS OF MICHIGAN |
| KDR | HIGHMARK INC |
| KDS | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KDT | CAREFIRST BCBS – MARYLAND |
| KDU | COMPREHENSIVE BENEFITS ADMN-VERMONT |
| KDV | EMPIRE BCBS – NEW YORK |
| KDW | EMPIRE BCBS – NEW YORK |
| KDZ | BLUE SHIELD OF CALIFORNIA |
| KEA | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KEB | ANTHEM BLUE CROSS – CALIFORNIA |
| KEE | BLUE CROSS – IDAHO – BOISE |
| KEF | ANTHEM BCBS – OHIO |
| KEG | WELLPOINT HEALTH NETWORKS – NEVADA |
| KEK | ANTHEM BLUE CROSS – CALIFORNIA |
| KEM | BCBS – SOUTH CAROLINA |
| KEN | EMPIRE BCBS – NEW YORK |
| KEP | BLUE CROSS AND BLUE SHIELD-ILLINOIS |
| KEQ | ANTHEM BCBS – OHIO |
| KEU | BLUE CROSS AND BLUE SHIELD-OKLAHOMA |
| KEX | BLUE CROSS AND BLUE SHIELD-ILLINOIS |
| KEY | BLUE CROSS AND BLUE SHIELD-ALABAMA |
| KEZ | COMPREHENSIVE BENEFITS ADMN-VERMONT |
| KFC | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KFF | ANTHEM BCBS – OHIO |
| KFL | ANTHEM BLUE CROSS – CALIFORNIA |
| KFM | ANTHEM BCBS – COLORADO |
| KFT | BLUE CROSS AND BLUE SHIELD-ILLINOIS |
| KFX | ANTHEM BLUE CROSS – CALIFORNIA |
| KGA | BLUE CROSS AND BLUE SHIELD-FLORIDA |
| KGG | ANTHEM BCBS – OHIO |
| KGH | BCBS – LOUISIANA |
| KGM | ANTHEM BCBS – OHIO |
| KGN | BLUE CROSS AND BLUE SHIELD OF TEXAS |
| KGR | ANTHEM BCBS – OHIO |
| KGS | BCBS – KANSAS – TOPEKA |
| KHB | BLUE CROSS AND BLUE SHIELD-ALABAMA |
| KHC | EMPIRE BCBS – NEW YORK |
| KHD | WELLMARK OF IOWA/SOUTH DAKOTA |
| KHE | EMPIRE BCBS – NEW YORK |
| KHF | ANTHEM BCBS – OHIO |
| KHG | BLUE SHIELD OF CALIFORNIA |
| KHH | BLUE CROSS AND BLUE SHIELD-ALABAMA |
| KHK | ANTHEM BLUE CROSS – CALIFORNIA |
| KHL | PREMERA BLUE CROSS – SEATTLE WA |
| KHM | ANTHEM BCBS – OHIO |
| KHN | BCBS – NORTH CAROLINA |
| KHR | CAPITAL BLUE CROSS – HARRISBURG PA |
| KHS | PREMERA BLUE CROSS – SEATTLE WA |
| KHW | ANTHEM BLUE CROSS – CALIFORNIA |
| KHX | ANTHEM BCBS – OHIO |
| KIA | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KIB | BLUE CROSS AND BLUE SHIELD-GEORGIA |
| KID | BLUE CROSS AND BLUE SHIELD-ALABAMA |
| KIK | BLUE CROSS AND BLUE SHIELD-ILLINOIS |
| KIP | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KIS | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KIT | BLUE CROSS AND BLUE SHIELD-ILLINOIS |
| KJC | CAREFIRST BCBS – MARYLAND |
| KJE | ANTHEM BLUE CROSS – CALIFORNIA |
| KJM | BLUE CROSS AND BLUE SHIELD-ILLINOIS |
| KJP | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KJR | HIGHMARK INC |
| KJT | WELLMARK OF IOWA/SOUTH DAKOTA |
| KJW | BLUE CROSS AND BLUE SHIELD-ILLINOIS |
| KJY | HIGHMARK INC |
| KKA | BLUE CROSS AND BLUE SHIELD-ALABAMA |
| KKB | ANTHEM BCBS – OHIO |
| KKE | BLUE CROSS AND BLUE SHIELD-OKLAHOMA |
| KKJ | ANTHEM BLUE CROSS – CALIFORNIA |
| KKP | BLUE CROSS AND BLUE SHIELD-ILLINOIS |
| KKR | BCBS OF MICHIGAN |
| KKS | WELLMARK OF IOWA/SOUTH DAKOTA |
| KLB | ANTHEM BCBS – OHIO |
| KLC | PREMERA BLUE CROSS – SEATTLE WA |
| KLF | CAREFIRST BCBS – MARYLAND |
| KLG | BCBS OF MICHIGAN |
| KLH | ANTHEM BCBS – VIRGINIA |
| KLN | BCBS OF MICHIGAN |
| KLP | BCBS OF MICHIGAN |
| KLR | WELLPOINT HEALTH NETWORKS-VIRGINIA |
| KLT | BLUE CROSS AND BLUE SHIELD-ILLINOIS |
| KLW | ANTHEM BLUE CROSS – CALIFORNIA |
| KMA | ANTHEM BCBS – OHIO |
| KMD | BCBS OF MICHIGAN |
| KME | BLUE SHIELD OF CALIFORNIA |
| KMF | BLUE CROSS AND BLUE SHIELD-FLORIDA |
| KMG | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KMH | BLUE CROSS AND BLUE SHIELD-FLORIDA |
| KMJ | BCBS OF MICHIGAN |
| KMK | BLUE CROSS AND BLUE SHIELD-ILLINOIS |
| KML | ANTHEM BLUE CROSS – CALIFORNIA |
| KMM | HIGHMARK INC |
| KMN | HIGHMARK INC |
| KMQ | BLUE CROSS – IDAHO – BOISE |
| KMS | BCBS – SOUTH CAROLINA |
| KMU | BCBS OF MICHIGAN |
| KMW | ANTHEM BLUE CROSS – CALIFORNIA |
| KMY | BLUE SHIELD OF CALIFORNIA |
| KNA | ANTHEM BCBS – OHIO |
| KND | HIGHMARK INC |
| KNE | BLUE CROSS AND BLUE SHIELD-ILLINOIS |
| KNF | ANTHEM BCBS – OHIO |
| KNI | BLUE CROSS AND BLUE SHIELD-OKLAHOMA |
| KNJ | BLUE SHIELD OF CALIFORNIA |
| KNK | ANTHEM BLUE CROSS – CALIFORNIA |
| KNL | BLUE CROSS AND BLUE SHIELD-GEORGIA |
| KNM | ANTHEM BCBS – OHIO |
| KNN | EMPIRE BCBS – NEW YORK |
| KNQ | ANTHEM BLUE CROSS – CALIFORNIA |
| KNR | ANTHEM BLUE CROSS – CALIFORNIA |
| KNS | BLUE CROSS AND BLUE SHIELD-ILLINOIS |
| KNT | BCBS – SOUTH CAROLINA |
| KNV | BLUE CROSS AND BLUE SHIELD-GEORGIA |
| KNX | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KNY | BLUE CROSS AND BLUE SHIELD-GEORGIA |
| KNZ | EMPIRE BCBS – NEW YORK |
| KOA | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KOC | BLUE CROSS AND BLUE SHIELD-GEORGIA |
| KOE | BLUE CROSS AND BLUE SHIELD-GEORGIA |
| KOM | BLUE CROSS AND BLUE SHIELD-ILLINOIS |
| KON | BLUE CROSS AND BLUE SHIELD-ILLINOIS |
| KOS | ANTHEM BCBS – COLORADO |
| KPA | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KPD | WELLPOINT HEALTH NETWORKS-VIRGINIA |
| KPE | PREMERA BLUE CROSS – SEATTLE WA |
| KPF | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KPF | REGENCE BLUE SHIELD – SEATTLE WA |
| KPG | ANTHEM BCBS – OHIO |
| KPH | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KPK | BLUE CROSS AND BLUE SHIELD OF TEXAS |
| KPM | BCBS – SOUTH CAROLINA |
| KPN | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KPP | EMPIRE BCBS – NEW YORK |
| KPQ | BLUE CROSS AND BLUE SHIELD-ILLINOIS |
| KPS | ANTHEM BCBS – OHIO |
| KPU | ANTHEM BCBS – OHIO |
| KPV | BLUE CROSS AND BLUE SHIELD-ILLINOIS |
| KPX | CAREFIRST ADMINISTRATORS |
| KQA | CAREFIRST BCBS – MARYLAND |
| KQB | CAREFIRST BCBS – MARYLAND |
| KQE | BCBS – MINNESOTA |
| KQF | HEALTHCARE ADMINISTRATORS – SEATTLE |
| KQK | PREMERA BLUE CROSS – SEATTLE WA |
| KQL | PREMERA BLUE CROSS – SEATTLE WA |
| KQT | REGENCE BCBS – OREGON |
| KQW | BCBS OF MICHIGAN |
| KRB | ANTHEM BCBS – OHIO |
| KRE | ANTHEM BCBS – OHIO |
| KRG | ANTHEM BCBS – OHIO |
| KRH | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KRI | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KRL | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KRM | ANTHEM BCBS – OHIO |
| KRN | ANTHEM BCBS – MISSOURI |
| KRO | ANTHEM BCBS – OHIO |
| KRP | BLUE CROSS AND BLUE SHIELD-ILLINOIS |
| KRQ | ANTHEM BCBS – OHIO |
| KRS | BLUE SHIELD OF CALIFORNIA |
| KRU | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KRZ | ANTHEM BLUE CROSS – CALIFORNIA |
| KSE | BCBS – KANSAS – TOPEKA |
| KSG | ANTHEM BCBS – OHIO |
| KSI | BLUECROSS BLUESHIELD OF TENNESSEE |
| KSJ | BCBS – SOUTH CAROLINA |
| KSK | ANTHEM BCBS – OHIO |
| KSM | EXCELLUS BCBS – ROCHESTER – NY |
| KSP | BCBS OF MICHIGAN |
| KSP | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KSQ | BLUE CROSS AND BLUE SHIELD OF TEXAS |
| KSU | ANTHEM BCBS – OHIO |
| KSV | EMPIRE BCBS – NEW YORK |
| KSW | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KSX | EMPIRE BCBS – NEW YORK |
| KSY | BLUE CROSS AND BLUE SHIELD-ILLINOIS |
| KTA | ANTHEM BLUE CROSS – CALIFORNIA |
| KTB | CAPITAL BLUE CROSS – HARRISBURG PA |
| KTC | HIGHMARK INC |
| KTD | HEALTHNOW NEW YORK INC – BUFFALO |
| KTE | BLUE CROSS – IDAHO – BOISE |
| KTF | ANTHEM BCBS – COLORADO |
| KTH | BLUE CROSS AND BLUE SHIELD-ILLINOIS |
| KTL | BLUE CROSS AND BLUE SHIELD OF TEXAS |
| KTN | ANTHEM BCBS – OHIO |
| KTR | BLUE CROSS AND BLUE SHIELD-ILLINOIS |
| KTS | ANTHEM BCBS – OHIO |
| KTT | ANTHEM BCBS – OHIO |
| KTU | BLUE CROSS AND BLUE SHIELD-ILLINOIS |
| KTV | ANTHEM BCBS – OHIO |
| KTY | BLUE CROSS AND BLUE SHIELD-ALABAMA |
| KUA | CAREFIRST BCBS – WASHINGTON DC |
| KUC | BLUE CROSS AND BLUE SHIELD-ILLINOIS |
| KUC | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KUL | BLUE CROSS AND BLUE SHIELD-ILLINOIS |
| KUN | REGENCE BCBS – OREGON |
| KUP | EMPIRE BCBS – NEW YORK |
| KUR | BLUE CROSS AND BLUE SHIELD-ILLINOIS |
| KUS | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KUY | HIGHMARK INC |
| KVA | BCBS OF MICHIGAN |
| KVB | BLUE CROSS AND BLUE SHIELD-ALABAMA |
| KVE | ANTHEM BCBS – OHIO |
| KVG | COMPREHENSIVE CARE SERVICES INC-MN |
| KVL | BCBS – LOUISIANA |
| KVM | WELLMARK OF IOWA/SOUTH DAKOTA |
| KVR | BLUE CROSS AND BLUE SHIELD-ILLINOIS |
| KVS | PREMERA BLUE CROSS – SEATTLE WA |
| KVT | ANTHEM BCBS – VIRGINIA |
| KVY | ANTHEM BLUE CROSS – CALIFORNIA |
| KWA | BCBS OF MICHIGAN |
| KWC | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KWD | ANTHEM BLUE CROSS – CALIFORNIA |
| KWE | BLUE CROSS AND BLUE SHIELD-ILLINOIS |
| KWF | BCBS – KANSAS CITY – MO |
| KWM | ANTHEM BCBS – OHIO |
| KWP | REGENCE BCBS – UTAH |
| KWQ | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KWW | BLUE ADVANTAGE ADMINS OF ARKANSAS |
| KWX | HEALTHNOW NEW YORK INC – BUFFALO |
| KXB | PREMERA BLUE CROSS – SEATTLE WA |
| KXE | BLUE CROSS AND BLUE SHIELD-ILLINOIS |
| KXL | BLUE SHIELD OF CALIFORNIA |
| KXM | ANTHEM BCBS – OHIO |
| KXP | BCBS – MINNESOTA |
| KXT | BCBS – MINNESOTA |
| KYA | BCBS OF MICHIGAN |
| KYC | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KYH | ANTHEM BCBS – OHIO |
| KYK | BCBS OF MICHIGAN |
| KYL | WELLMARK OF IOWA/SOUTH DAKOTA |
| KYP | BCBS OF MICHIGAN |
| KYR | ANTHEM BLUE CROSS – CALIFORNIA |
| KYS | EMPIRE BCBS – NEW YORK |
| KYT | PREMERA BLUE CROSS – SEATTLE WA |
| KYX | BCBS OF MICHIGAN |
| KYY | BCBS OF MICHIGAN |
| KZA | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KZC | BCBS – SOUTH CAROLINA |
| KZD | HEALTHNOW NEW YORK INC – ALBANY |
| KZH | BLUE CROSS AND BLUE SHIELD-ILLINOIS |
| KZK | ANTHEM BCBS – OHIO |
| KZN | PREMERA BLUE CROSS – SEATTLE WA |
| KZP | ANTHEM BCBS – VIRGINIA |
| KZR | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KZS | BLUE CROSS BLUE SHIELD OF MICHIGAN |
| KZT | ANTHEM BLUE CROSS – CALIFORNIA |
| KZY | BCBS OF MICHIGAN |
