Send a Free Fax to the United States

To send a free fax to the United States, follow these simple steps on your computer or mobile device:

Sign up for a free account on Fax.Plus (No credit card needed)
Go to the Send Fax section and attach the documents you wish to fax
Enter the recipient's US fax number (+1 + area code + fax number)
单击“发送”按钮，然后等待确认电子邮件

立即向美国发送传真

比较套餐

从您的计算机或移动设备向美国发送传真

免费注册

使用您的 Google、Microsoft 或电子邮件帐户免费注册。无需信用卡。

准备您的传真

附加您要作为传真发送的文档，并在美国输入收件人的传真号码。

Send fax to the USA

发送您的传真并等待确认报告。您将通过电子邮件、Fax.Plus 移动应用程序内的推送通知收到报告，并且可以在您的安全存档中查看。

为什么选择 Fax.Plus？

它是免费的

Start for free with 10 pages, no credit card required. Paid plans begin at just $6.99 per month.

无国际费用

One flat rate to send to the USA. No extra charge no matter where in the world you're faxing from.

多个平台

Send your USA fax from a computer, phone, Google Docs, or email, whichever works for you.

加密存档

All fax data is encrypted end-to-end and protected by Switzerland's strict privacy laws.

No Fax Machine

No fax machine, landline, ink, or paper needed. Just send your fax straight to the USA.

定时传真

Faxing outside US hours? Schedule your fax to go out at the exact date and time you choose.

我可以向美国的哪些城市和州发送传真？

With Fax.Plus, you can send faxes online to almost any city or state in the United States, as long as the destination is a valid working fax number. When entering the recipient’s fax number, use the full international format with the U.S. country code (+1), followed by the area code and the local fax number. For example: +1 669 200 1010.

State	Area Code(s)	State	Area Code(s)
阿拉巴马州	205, 251, 256, 334, 483, 659, 938	阿拉斯加	907
亚利桑那州	480, 520, 602, 623, 928	阿肯色州	327, 479, 501, 870
加利福尼亚州	209, 213, 279, 310, 323, 341, 350, 357, 369, 408, 415, 424, 442, 510, 530, 559, 562, 619, 626, 628, 650, 657, 661, 669, 707, 714, 738, 747, 760, 805, 818, 820, 831, 837, 840, 858, 909, 916, 925, 949, 951	科罗拉多	303, 719, 720, 748, 970, 983
康涅狄格州	203, 475, 860, 959	特拉华州	302
佛罗里达州	239, 305, 321, 324, 352, 386, 407, 448, 561, 645, 656, 689, 727, 728, 754, 772, 786, 813, 850, 863, 904, 941, 954	佐治亚州	229, 404, 470, 478, 678, 706, 762, 770, 912, 943
夏威夷	808	爱达荷州	208, 986
伊利诺伊州	217, 224, 309, 312, 331, 447, 464, 618, 630, 708, 730, 773, 779, 815, 847, 861, 872	印第安纳州	219, 260, 317, 463, 574, 765, 812, 930
爱荷华	319, 515, 563, 641, 712	堪萨斯州	316, 620, 785, 913
肯塔基州	270, 364, 502, 606, 859	路易斯安那州	225, 318, 337, 457, 504, 985
缅因州	207	马里兰州	227, 240, 301, 410, 443, 667
马萨诸塞州	339, 351, 413, 508, 617, 774, 781, 857, 978	密歇根州	231, 248, 269, 313, 517, 586, 616, 679, 734, 810, 906, 947, 989
明尼苏达州	218, 320, 507, 612, 651, 763, 924, 952	密西西比州	228, 471, 601, 662, 769
密苏里州	235, 314, 417, 557, 573, 636, 660, 816, 975	蒙大拿州	406
内布拉斯加州	308, 402, 531	内华达州	702, 725, 775
新罕布什尔州	603	新泽西州	201, 551, 609, 640, 732, 848, 856, 862, 908, 973
新墨西哥州	505, 575	纽约州	212, 315, 329, 332, 347, 363, 465, 516, 518, 585, 607, 624, 631, 646, 680, 716, 718, 838, 845, 914, 917, 929, 934
北卡罗来纳州	252, 336, 472, 704, 743, 828, 910, 919, 980, 984	北达科他州	701
俄亥俄州	216, 220, 234, 283, 326, 330, 380, 419, 436, 440, 513, 567, 614, 740, 937	俄克拉荷马州	405, 539, 572, 580, 918
俄勒冈州	458, 503, 541, 971	宾夕法尼亚州	215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 835, 878
罗德岛州	401	南卡罗来纳州	803, 821, 839, 843, 854, 864
南达科他州	605	田纳西州	423, 615, 629, 729, 731, 865, 901, 931
德克萨斯州	210, 214, 254, 281, 325, 346, 361, 409, 430, 432, 469, 512, 621, 682, 713, 726, 737, 806, 817, 830, 832, 903, 915, 936, 940, 945, 956, 972, 979	犹他州	385, 435, 801
佛蒙特州	802	弗吉尼亚州	276, 434, 540, 571, 686, 703, 757, 804, 826, 948
华盛顿州	206, 253, 360, 425, 509, 564	Washington, DC	202, 771
西弗吉尼亚州	304, 681	威斯康星州	262, 274, 353, 414, 534, 608, 715, 920
怀俄明州	307

Area code assignments change regularly. This list reflects NANPA data as of July 2026, including recently introduced overlays such as 471 (Mississippi, in service since January 30, 2026), 483 (Alabama, in service since February 23, 2026), and 465 (New York, in service since June 18, 2026). For the latest official assignments, refer to NANPA.

常问问题

Is it free to send a fax to the USA?

Yes. Fax.Plus offers a free plan that lets you send up to 10 pages in total, with no credit card required. If you need to send more, paid plans start at $6.99 per month with 200 pages included.

How do I format a US fax number?

A US fax number follows the format +1, followed by the 3-digit area code, followed by the 7-digit local number. For example, a fax number in San Jose, California would be entered as +1 669 200 1010.

Which area code should I use for my recipient's US fax number?

Area codes in the United States are assigned by state and, in larger states, by region or city. Use the area code that matches your recipient's location: see the full list of US area codes above.

Can I send a fax to the USA from another country?

Yes. Fax.Plus applies a flat transmission rate regardless of where you are sending from, so there is no extra international cost to send a fax to the United States from abroad.