CA应该是加利福尼亚州的州名缩写。类似的，LA是洛杉矶、NY是纽约……
美国州名 美国州名英文 州名简写和简称 首府 首府英文名
阿拉巴马州 Alabama AL 蒙哥马利 Montgomery
阿拉斯加州 Alaska AK 朱诺 Juneau
阿利桑那州 Arizona AZ 菲尼克斯 Phoenix
阿肯色州 Arkansas AR 小石城 Little rock
加利福尼亚州 California CA 萨克拉门托 Sacramento
科罗拉多州 Colorado CO 丹佛 Denver
康涅狄格州 Connecticut CT 哈特福德 Hartford
特拉华州 Delaware DE 多佛 Dover
佛罗里达州 Florida FL 塔拉哈西 Tallahassee
乔治亚州 Georgia GA 亚特兰大 Atlanta
夏威夷州 Hawaii HI 檀香山火努鲁鲁 Honolulu
爱达荷州 Idaho ID 博伊西 Boise
伊利诺斯州 Illinois IL 斯普林菲尔德 Springfield
印第安纳州 Indiana IN 印第安纳波利斯 Indianapolis
爱荷华州 Iowa IA 得梅因 Des Moines
堪萨斯州 Kansas KS 托皮卡 Topeka
肯塔基州 Kentucky KY 法兰克福 Frankfort
路易斯安那州 Louisiana LA 巴吞鲁日 Baton Rouge
缅因州 Maine ME 奥古斯塔 Augusta
马里兰州 Maryland MD 安纳波利斯 Annapolis
马萨诸塞州 Massachusetts MA 波士顿 Boston
密歇根州 Michigan MI 兰辛 Lansing
明尼苏达州 Minnesota MN 圣保罗 St Paul
密西西比州 Mississippi MS 杰克逊 Jackson
密苏里州 Missouri MO 杰斐逊城 Jefferson City
蒙大拿州 Montana MT 海伦娜 Helena
内布拉斯加州 Nebraska NE 林肯 Lincoln
内华达州 Nevada NV 卡森城 Carson City
新罕布什尔州 New hampshire NH 康科德 Concord
新泽西州 New jersey NJ 特伦顿 Trenton
新墨西哥州 New mexico NM 圣菲 Santa Fe
纽约州 New York NY 奥尔巴尼 Albany
北卡罗来纳州 North Carolina NC 纳罗利 Raleigh
北达科他州 North Dakota ND 俾斯麦 Bismarck
俄亥俄州 Ohio OH 哥伦布 Columbus
俄克拉荷马州 Oklahoma OK 俄克拉何马城 Oklahoma City
俄勒冈州 Oregon OR 塞勒姆 Salem
宾夕法尼亚州 Pennsylvania PA 哈里斯堡 Harrisburg
罗得岛州 Rhode island RL 普罗维登斯 Providence
南卡罗来纳州 South carolina SC 哥伦比亚 Columbia
南达科他州 South dakota SD 皮尔 Pierre
田纳西州 Tennessee TN 纳什维尔 Nashville
得克萨斯州 Texas TX 奥斯汀 Austin
犹他州 Utah UT 盐湖城 Salt Lake City
佛蒙特州 Vermont VT 蒙彼利埃 Montpelier
弗吉尼亚州 Virginia VA 里士满 Richmond
华盛顿州 Washington WA 奥林匹亚 Olympia
西弗吉尼亚州 West Virginia WV 查尔斯顿 Charleston
威斯康辛州 Wisconsin WI 麦迪逊 Madison
怀俄明州 Wyoming WY 夏延 Cheyenne
ca应该表示的加利福尼亚，并不表示美国，ca并不表示美国，United States of America代表美国，他的英文缩写是USA，我们习惯说America，这是美国地址。
001408是美国那个城市的区号
408 - California (San Jose, Santa Clara, Sunnyvale)
美国全部区号：
201 - New Jersey (Bayonne, Hackensack, Jersey City)
202 - District of Columbia (Statewide)
203 - Connecticut (Bridgeport, New Haven, Waterbury)
204 - Manitoba (Province Wide)
205 - Alabama (Birmingham, Hoover, Tuscaloosa)
206 - Washington (Mercer Island, Richmond Beach, Seattle)
207 - Maine (Statewide)
208 - Idaho (Statewide)
209 - California (Merced, Modesto, Stockton)
210 - Texas (Alamo Heights, San Antonio, Universal City)
212 - New York (New York City - Manhattan)
213 - California (Los Angeles - Downtown)
214 - Texas (Dallas, Irving, Plano)
215 - Pennsylvania (Lansdale, Levittown, Philadelphia)
216 - Ohio (Cleveland, Euclid, Lakewood)
217 - Illinois (Champaign, Quincy, Springfield)
218 - Minnesota (Brainerd, Duluth, Moorhead)
219 - Indiana (Gary, La Porte, Rensselaer)
225 - Louisiana (Baton Rouge, Donaldsonville, New Roads)
226 - Ontario (Effective 02/19/05)
228 - Mississippi (Biloxi, Gulfport, Pascagoula)
229 - Geia (Albany, Americus, Valdosta)
231 - Michigan (Cheboygan, Muskegon, Traverse City)
234 - Ohio (Overlay Area Code 330)
239 - Florida (Cape Coral, Fort Myers, Naples)
240 - Maryland (Overlay Area Code 301)
242 - Bahamas
246 - Barbados
248 - Michigan (Farmington Hills, Pontiac, Troy)
250 - British Columbia (Victoria)
251 - Alabama (Bay Mite, Mobile, Monroeville)
252 - North Carolina (Greenville, New Bern, Rocky Mount)
253 - Washington (Auburn, Kent, Taa)
254 - Texas (Killeen, Temple, Waco)
256 - Alabama (Anniston, Florence, Huntsville)
260 - Indiana (Angola, Fort Wayne, Wabash)
262 - Wisconsin (Kenosha, Racine, West Bend)
264 - Anguilla
267 - Pennsylvania (Overlay Area Code 215)
268 - Antigua & Barbuda
269 - Michigan (Battle Creek, Benton Harbor, Kalamazoo)
270 - Kentucky (Bowling Green, Owen oro, Paducah)
276 - Virginia (Bluefield, Bristol, Martinsville)
281 - Texas (Same as Area Code 713)
284 - British Virgin Islands
289 - Ontario (Overlay Area Code 905)
301 - Maryland (Bowie, Frederick, Hagerstown)
302 - Delaware (Statewide)
303 - Colorado (Boulder, Denver, Littleton)
304 - West Virginia (Statewide)
305 - Florida (Hialeah, Key West, Miami)
306 - Saskatchewan (Province Wide)
307 - Wyoming (Statewide)
308 - Nebraska (Grand Island, North Platte, Scott luff)
309 - Illinois (Bloomington, Moline, Peoria)
310 - California (Inglewood, Santa Monica, Torrance)
311 - Non-Emergency Aess
312 - Illinois (Chicago - Inside Loop)
313 - Michigan (Dearborn, Detroit, Grosse Pointe)
314 - Missouri (Florissant, Kirkwood, Saint Louis)
315 - New York (Syracuse, Utica, Watertown)
316 - Kansas (El Dorado, Newton, Wichita)
317 - Indiana (Franklin, Indianapolis, Noblesville)
318 - Louisiana (Alexandria, Monroe, Shreveport)
319 - Iowa (Burlington, Cedar Rapids, Waterloo)
320 - Minnesota (Hutchinson, Saint Cloud, Willmar)
321 - Florida (Cocoa, Melbourne, Titusville - Overlay Area Code 407)
323 - California (Hollywood, Huntington Park, Montebello)
325 - Texas (Abilene, Brownwood, San Angelo)
330 - Ohio (Akron, Canton, Youngstown)
334 - Alabama (Dothan, Mobile, Montgomery)
336 - North Carolina (Green oro, Lexington, Winston-Salem)
337 - Louisiana (Lafayette, Lake Charles, New Iberia)
339 - Massachusetts (Overlay Area Code 781)
340 - US Virgin Islands
345 - Cayman Islands
347 - New York (Overlay Area Code 718)
351 - Massachusetts (Overlay Area Code 978)
352 - Florida (Gainesville, Lee urg, Ocala)
360 - Washington (Bellingham, Olympia, Vancouver)
361 - Texas (Corpus Christi, Kingsville, Victoria)
385 - Utah (Effective 03/30/05)
386 - Florida (Daytona Beach, Deltona, Lake City)
401 - Rhode Island (Statewide)
402 - Nebraska (Lincoln, Norfolk, Omaha)
403 - Alberta (Calgary)
404 - Geia (Atlanta, Decatur, East Point)
405 - Oklahoma (Norman, Oklahoma City, Stillwater)
406 - Montana (Statewide)
407 - Florida (Kissimmee, Orlando, Sanford)
408 - California (San Jose, Santa Clara, Sunnyvale)
409 - Texas (Beaumont, Galveston, Jasper)
410 - Maryland (Annapolis, Baltimore, Sali ury)
411 - Local Directory Assistance
412 - Pennsylvania (Bethel Park, McKeesport,, Pitt urgh)
413 - Massachusetts (Amherst, Pittsfield, Springfield)
414 - Wisconsin (Milwaukee, Wauwatosa, West Allis)
415 - California (Novato, San Francisco, San Rafael)
416 - Ontario (Toronto)
417 - Missouri (Branson, Joplin, Springfield)
418 - Quebec (Quebec City)
419 - Ohio (Lima, Mansfield, Toledo)
423 - Tennessee (Chattanooga, Johnson City, Morristown)
425 - Washington (Bellevue, Everett, Renton)
430 - Texas (Overlay Area Code 903)
432 - Texas (Alpine, Midland, Odessa)
434 - Virginia (Charlottesville, Danville, Lynchburg)
435 - Utah (Logan, Saint Gee, Vernal)
438 - Quebec (Effective 09/24/05)
440 - Ohio (Lorain, Mentor, Parma)
441 - Bermuda
443 - Maryland (Overlay Area Code 410)
450 - Quebec (Laval)
456 - International Inbound
469 - Texas (Overlay Area Codes 214 & 972)
470 - Geia (Overlay Area Codes 404, 678, and 770)
478 - Geia (Macon, Milledgeville, Swain oro)
479 - Arkansas (Fayetteville, Fort Smith, Russellville)
480 - Arizona (Chandler, Mesa, Scottsdale)
484 - Pennsylvania (Overlay Area Code 610)
500 - Personal Communication Services
501 - Arkansas (Hot Springs, Little Rock, Searcy)
502 - Kentucky (Bardstown, Frankfort, Louisville)
503 - Oregon (Astoria, Portland, Salem)
504 - Louisiana (Gretna, Kenner, New Orleans)
505 - New Mexico (Statewide)
506 - New Brunswick (Province Wide)
507 - Minnesota (Mankato, Rochester, Worthington)
508 - Massachusetts (Brockton, New Bedford, Worcester)
509 - Washington (Kennewick, Spokane, Yakima)
510 - California (Fremont, Hayward, Oakland)
512 - Texas (Austin, Geetown, San Marcos)
513 - Ohio (Cincinnati, Hamilton, Middletown)
514 - Quebec (Montreal)
515 - Iowa (Ames, Des Moines, Fort Dodge)
516 - New York (Long Island - Nassau - Hempstead, Levittown, Valley Stream)
517 - Michigan (Coldwater, Jackson, Lansing)
518 - New York (Albany, Glens Falls, Platt urgh)
519 - Ontario (London)
520 - Arizona (Flagstaff, Tucson, Yuma)
530 - California (Davis, Redding, South Lake Tahoe)
540 - Virginia (Frederick urg, Harrisonburg, Roanoke)
541 - Oregon (Eugene, Medford, Pendleton)
551 - New Jersey (Overlay Area Code 201)
559 - California (Fresno, Madera, Visalia)
561 - Florida (Boca Raton, Jupiter, West Palm Beach)
562 - California (Downey, Long Beach, Whittier)
563 - Iowa (Davenport, Decorah, Dubuque)
567 - Ohio (Overlay Area Code 419)
570 - Pennsylvania (Pottsville, Scranton, Williamsport)
571 - Virginia (Overlay Area Code 703)
573 - Missouri (Cape Girardeau, Columbia, Jefferson City)
574 - Indiana (Elkhart, Logansport, South Bend)
580 - Oklahoma (Ada, Enid, Lawton)
585 - New York (Batavia, Geneva, Rochester)
586 - Michigan (Mount Clemens, Sterling Heights, Warren)
600 - Services in Canada
601 - Mississippi (Hattie urg, Jackson, Meridian)
602 - Arizona (Phoenix - City)
603 - New Hampshire (Statewide)
604 - British Columbia (Vancouver)
605 - South Dakota (Statewide)
606 - Kentucky (Ashland, Pikeville, Somerset)
607 - New York (Binghamton, Elmira, Oneonta)
608 - Wisconsin (Janesville, La Crosse, Madison)
609 - New Jersey (Atlantic City, Trenton, Willingboro)
610 - Pennsylvania (Allentown, Reading, West Chester)
611 - Repair Services
612 - Minnesota (Minneapolis, Richfield, Saint Anthony)
613 - Ontario (Ottawa)
614 - Ohio (Columbus, Reynold urg, Westerville)
615 - Tennessee (Franklin, Murfree oro, Nashville)
616 - Michigan (Grand Rapids, Holland, Ionia)
617 - Massachusetts (Boston, Cambridge, Quincy)
618 - Illinois (Belleville, Carbondale, Mount Vernon)
619 - California (Chula Vista, El Cajon, San Diego)
620 - Kansas (Emporia, Garden City, Hutchinson)
623 - Arizona (Avondale, Glendale, Peoria)
626 - California (Alhambra, Pasadena, West Covina)
630 - Illinois (Aurora, Naperville, Wheaton)
631 - New York (Long Island - Suffolk - Commmack, Islip, Southampton)
636 - Missouri (Chesterfield, Festus, Saint Charles)
641 - Iowa (Marshalltown, Mason City, Ottumwa)
646 - New York (Overlay Area Code 212)
647 - Ontario (Overlay Area Code 416)
649 - Turks & Caicos
650 - California (Daly City, Palo Alto, San Mateo)
651 - Minnesota (Eagan, Red Wing, Saint Paul)
660 - Missouri (Kirksville, Maryville, Sedalia)
661 - California (Bakersfield, Lancaster, Santa Clarita)
662 - Mississippi (Columbus, Greenville, Tupelo)
664 - Montserrat
670 - Northern Marianas
671 - Guam
678 - Geia (Overlay Area Codes 404 & 770)
680 - Palau
682 - Texas (Overlay Area Code 817)
684 - American Samoa
700 - IC Services
701 - North Dakota (Statewide)
702 - Nevada (Henderson, Las Vegas, Laughlin)
703 - Virginia (Alexandria, Arlington, Manassas)
704 - North Carolina (Charlotte, Concord, Gastonia)
705 - Ontario (North Bay)
706 - Geia (Athens, Augusta, Columbus)
707 - California (Eureka, Santa Rosa, Vallejo)
708 - Illinois (Calumet City, Cicero, Tinley Park)
709 - Newfoundland (Province Wide)
710 - US Government
711 - TRS Aess
712 - Iowa (Council Bluffs, Sioux City, Spencer)
713 - Texas (Houston, Pasadena, Sugar Land)
714 - California (Anaheim, Huntington Beach, Santa Ana)
715 - Wisconsin (Eau Claire, Superior, Wausau)
716 - New York (Buffalo, Jamestown, Niagara Falls)
717 - Pennsylvania (Harri urg, Lancaster, York)
718 - New York (Bronx, Brooklyn, Queens, Staten Island)
719 - Colorado (Alamosa, Colorado Springs, Pueblo)
720 - Colorado (Overlay Area Code 303)
724 - Pennsylvania (Indiana, New Castle, Washington)
727 - Florida (Clearwater, New Port Richey, Saint Peter urg)
731 - Tennessee (Dyer urg, Humboldt, Jackson)
732 - New Jersey (Long Branch, New Brunswick, Toms River)
734 - Michigan (Ann Arbor, Livonia, Monroe)
740 - Ohio (Marion, Port outh, Steubenville)
754 - Florida (Overlay Area Code 954)
757 - Virginia (Norfolk, Virginia Beach, William urg)
758 - Saint Lucia
760 - California (Oceanside, Palm Springs, Victorville)
763 - Minnesota (Coon Rapids, Elk River, Plymouth)
765 - Indiana (Kokomo, Lafayette, Muncie)
767 - Dominica
770 - Geia (Gainesville, Griffin, Marietta)
772 - Florida (Fort Pierce, Stuart, Vero Beach)
773 - Illinois (Chicago - Outside Loop)
774 - Massachusetts (Overlay Area Code 508)
775 - Nevada (Carson City, Elko, Reno)
778 - British Columbia (Effective 11/03/01)
781 - Massachusetts (Lynn, Waltham, Weymouth)
784 - Saint Vincent & Grenadines
785 - Kansas (Lawrence, Salina, Topeka)
786 - Florida (Overlay Area Code 305)
787 - Puerto Rico
800 - Toll Free Calling
801 - Utah (Ogden, Provo, Salt Lake City)
802 - Vermont (Statewide)
803 - South Carolina (Aiken, Columbia, Rock Hill)
804 - Virginia (Peter urg, Richmond, Tappahannock)
805 - California (Oxnard, Saint Luis Obispo, Santa Barbara)
806 - Texas (Amarillo, Lubbock, Plainview)
807 - Ontario (Thunder Bay)
808 - Hawaii (Statewide)
809 - Dominican Republic
810 - Michigan (Flint, Lapeer, Port Huron)
812 - Indiana (Evansville, New Albany, Terre Haute)
813 - Florida (Plant City, Tampa, Zephyrhills)
814 - Pennsylvania (Altoona, Erie, Johnstown)
815 - Illinois (Joliet, Kankakee, Rockford)
816 - Missouri (Independence, Kansas City, Saint Joseph)
817 - Texas (Arlington, Cleburne, Fort Worth)
818 - California (Burbank, Glendale, San Fernando)
819 - Quebec (Sherbrooke)
828 - North Carolina (Asheville, Boone, Hickory)
830 - Texas (Eagle Pass, Kerrville, New Braunfels)
831 - California (Monterey, Salinas, Santa Cruz)
832 - Texas (Overlay Area Codes 281 & 713)
843 - South Carolina (Charleston, Florence, Hilton Head Island)
845 - New York (Middletown, Newburgh, Poughkeepsie)
847 - Illinois (Elgin, Evanston, Waukegan)
848 - New Jersey (Overlay Area Code 732)
850 - Florida (Panama City, Pensacola, Tallahassee)
855 - Toll Free Calling
856 - New Jersey (Camden, Cherry Hill, Vineland)
857 - Massachusetts (Overlay Area Code 617)
858 - California (La Jolla, Linda Vista, Poway)
859 - Kentucky (Covington, Lexington, Richmond)
860 - Connecticut (Hartford, New London, Torrington)
862 - New Jersey (Overlay Area Code 973)
863 - Florida (Clewiston, Lakeland, Sebring)
864 - South Carolina (Anderson, Greenville, Spartanburg)
865 - Tennessee (Knoxville, Oak Ridge, Sevierville)
866 - Toll Free Calling
867 - Northwest Territories, Nunavut, and Yukon Territory
868 - Trinidad & Tobago
869 - Saint Kitts & Nevis
870 - Arkansas (Jone oro, Pine Bluff, Texarkana)
876 - Jamaica
877 - Toll Free Calling
878 - Pennsylvania (Overlay Areas Code 412 & 724)
880 - Toll Free Calling (Paid 800 Service)
881 - Toll Free Calling (Paid 888 Service)
882 - Toll Free Calling (Paid 877 Service)
883 - Toll Free Calling (Paid 866 Service)
888 - Toll Free Calling
900 - Paid Service Calls
901 - Tennessee (Covington, Memphis, Somerville)
902 - Nova Scotia (Province Wide)
903 - Texas (Longview, Sherman, Tyler)
904 - Florida (Fernandina Beach, Jacksonville, Saint Augustine)
905 - Ontario (Hamilton)
906 - Michigan (Marquette, Menominee, Sault Sainte Marie)
907 - Alaska (Statewide)
908 - New Jersey (Elizabeth, Flemington, Phillip urg)
909 - California (Ontario, Riverside, San Bernardino)
910 - North Carolina (Fayetteville, Jacksonville, Wilmington)
911 - Emergency Services
912 - Geia (Brunswick, Savannah, Waycross)
913 - Kansas (Kansas City, Leavenworth, Overland Park)
914 - New York (New Rochelle, White Plaines, Yonkers)
915 - Texas (Dell City, El Paso, Sierra Blanca)
916 - California (Folsom, Roseville, Sacramento)
917 - New York (New York City - Pagers and Cellulars)
918 - Oklahoma (Bartlesville, Muskogee, Tulsa)
919 - North Carolina (Chapel Hill, Gold oro, Raleigh)
920 - Wisconsin (Green Bay, Oshkosh, Sheboygan)
925 - California (Antioch, Concord, Livermore)
928 - Arizona (Flagstaff, Lake Havasu City, Yuma)
931 - Tennessee (Clarksville, Columbia, Cookeville)
936 - Texas (Huntsville, Liberty, Nacogdoches)
937 - Ohio (Bellefontaine, Dayton, Springfield)
939 - Puerto Rico (Overlay Area Code 787)
940 - Texas (Denton, Mineral Wells, Wichita Falls)
941 - Florida (Bradenton, Punta Gorda, Sarasota)
947 - Michigan (Overlay Area Code 248)
949 - California (Costa Mesa, Irvine, Mission Viejo)
952 - Minnesota (Apple Valley, Bloomington, Minonka)
954 - Florida (Coral Springs, Fort Lauderdale, Hollywood)
970 - Colorado (Durango, Fort Collins, Grand Junction)
971 - Oregon (Overlay Area Code 503)
972 - Texas (Same as Area Code 214)
973 - New Jersey (Morristown, Newark, Paterson)
976 - Paid Service Calls
978 - Massachusetts (Fitchburg, Lawrence, Lowell)
979 - Texas (Angleton, Bay City, Bryan)
980 - North Carolina (Overlay Area Code 704)
985 - Louisiana (Hammond, Houma, Man City)
989 - Michigan (Alpena, Mount Pleasant, Saginaw)
832是美国哪个城市的区号832 TX -6 Texas（德克萨斯州）: Houston (overlay 713/281) 休斯顿
425是美国哪个城市的长途区号425: 华盛顿州 （西雅图北部及东部郊区包括埃弗里特、贝尔维尤、雷德蒙德、Renton和伊瑟阔）
50501是美国那个城市的邮编美国邮政编码大全
邮编 城市(city) 州（state)
12201 Albany NewYork(NY)
30301 Atlanta Geia(GA)
21401 Annapolis Maryland(MD)
21201 Baltimore Maryland(MD)
35201 Birmingham Alabama(AL)
14201 Buffalo NewYork(NY)
60601 CHICAGO Illinois(IL)
45201 Cincinnati Ohio(OH)
44101 Cleveland Ohio(OH)
43085 Columbus Ohio(OH)
71953 Dallas Arkansas(AR)
80002 Denver Colorado(CO)
99701 Fairbanks Alaska(AK)
19019 Philidelphia pennsylvania(PA)
96801 Honolulu Hawii(HI)
46201 Indianapolis Indiana(IN)
32099 Jacksonville FLORIDA(FL)
64101 Kansas City Missouri(MO)
90001 Los Angeles California(CA)
89101 Las Vegas Navada(NV)
55199 Minneapolis Minnesota(MN)
10001 New York NewYork(NY)
70112 New Orleaans Louisana(LA)
68046 Omaha Nebraska(NE)
85001 Phoenix Arizona(AZ)
15122 Pitt urgh pennsylvania(PA)
84101 Salt Lake City Utah(UT)
94203 Sacramento California(CA)
92101 San Diego California(CA)
94101 San Francisco California(CA)
95101 San Jose California(CA)
55101 Saint Paul Minnesota(MN)
63101 Saint Louis Missouri(MO)
98101 Seattle Washington(WA)
33601 Tampa FLORIDA(FL)
不见你说的这个，是不是记错了，是不是55101？
英国那个城市的区号是 1704 ？你可以在谷歌上谷歌一下啊！我刚帮你谷歌了一下只有1703、1705，就是没有1704啊！希望你确定一下啊！
CA是美国那个城市的简写
CA，是美国加利福尼亚州California的简写（是州，不是城市）。
1-866-808-是美国哪个城市的区号啊 International Customers: 1-215-413-215 是指 宾州，费城
没有866这个区号
0155是中国那个城市的 区号？没有这个吧！
0412是那个城市的区号？是辽宁鞍山区号
0571是那个城市的区号杭州的区号
权威可信的CA机构推荐如下：
一、Comodo
Comodo是世界上知名的SSL证书颁发机构，著名的网络安全软件厂商，致力于为个人和企业用户提供电子邮件安全、托管DNS、PKI管理、SSL证书、安全通讯以及许多其他服务，Comodo是确保互联网具有可靠和安全性的大型证书颁发机构之一。 Comodo SSL证书保护服务器和客户端浏览器之间通信连接,保证传输和接收的数据的完整性，真实性以及安全性，使Comodo成为一个非常值得信赖的品牌。
二、Symantec
Symantec成立于1982年，全球安全领域的领导者，Symantec SSL证书(前身为VeriSign)是全球公认最可靠证书颁发机构。90%的世界500强在使用Symantec SSL证书，工农中建等银行以及大多数金融机构都在使用Symantec SSL证书。服务于全球超过35个国家，拥有众多的企业、政府和个人用户。全球100家最大的金融机构中有90多家，北美500家最大的电子商务网站中75%的网站使用的都是赛门铁克的SSL证书。
三、GeoTrust
GeoTrust是世界第二大的数字安全提供者，是非常受欢迎，低廉的价格非常适合中小型企业，签发速度快并且提供高达256位SSL加密。现已超过150个国家的用户选择GeoTrust产品来保护他们的在线交易和各类在线业务，Geotrust的SSL证书和信任产品使各种规模的企业能够经济、高效、最大限度的提高其数字交易的安全性。
四、RapidSSL
Rapid是美国GeoTrust公司的一个面向低端用户而提供的简易版、快速签发、入门级SSL证书的品牌，主要应用于中小规模、入门级的电子商务网站。RapidSSL是GeoTrust公司的下属品牌，面向个人和小微企业提供廉价的SSL/TLS证书产品，不限制服务器安装数量。 作为一款域名型 GeoTrust DV SSL证书，RapidSSL申请简单，通常只需要10分钟就可以完成服务器证书的签发。
以上就是关于美国ca是哪个州全部的内容，包括:美国ca是哪个州、ca代表美国吗这个地址是美国的吗、001408是美国那个城市的区号等相关内容解答，如果想了解更多相关内容，可以关注我们，你们的支持是我们更新的动力！
