回答

可以在各个省的通信管理局免费申请办理：

浙江省通信管理局https://zjca.miit.gov.cn/bsfw/bszn/dxywjyxk/art/2020/art_a734e749a9ee43c7b7401614c78a041a.html北京市通信管理局https://bjca.miit.gov.cn/bsfw/bszn/art/2018/art_3e1bd850b7e5474e9b252b60107917cd.html天津市通信管理局https://tjca.miit.gov.cn/bsfw/bszn/art/2020/art_c7e5abc3b201470287ddb6705f832655.html上海市通信管理局https://shca.miit.gov.cn/bsfw/bszn/dxsc/blcx/art/2020/art_7426922df3754a189aaf4278ff0c7b1d.html重庆市通信管理局https://cqca.miit.gov.cn/bsfw/bszn/art/2021/art_f7ea0ec50e2e4489bd34ede7d0109e7a.html广东省通信管理局https://gdca.miit.gov.cn/bsfw/bszn/jyxk/tzgg/art/2021/art_4fb80f982db64883a7b1fa74fd3f394b.html河北省通信管理局https://hbca.miit.gov.cn/bsfw/bszn/art/2021/art_178857115e304bd2b8d89e9b51ce1ac5.html山西省通信管理局https://sxca.miit.gov.cn/bsfw/bszn/art/2015/art_612e5cd7da6747b6b98a3bad7237c76e.html辽宁省通信管理局https://lnca.miit.gov.cn/bsfw/bszn/art/2020/art_3c1c069afead491bbee0c1928d586a0b.html吉林省通信管理局https://jlca.miit.gov.cn/bsfw/bszn/art/2020/art_406d449ea0434147917297c358afa9f5.html黑龙江省通信管理局https://hljca.miit.gov.cn/bsfw/bszn/art/2021/art_d14199759f15485eba9cebd73d0f546d.html江苏省通信管理局https://jsca.miit.gov.cn/bsfw/bszn/art/2021/art_781b9cdaf51b4e3a8fd94873e3970b43.html安徽省通信管理局https://www.ahzwfw.gov.cn/bog-bsdt/static/workProcess/components/applicationMaterial.html?ssqdId=4028e69e7b32b442017b3447d3983bdf&ssqdCode=4fa777b8220c4ab88d283037c483e1a3&typeSipe=nameSkip福建省通信管理局https://fjca.miit.gov.cn/bsfw/bszn/art/2020/art_c02a31c6678d4da88cb7957fe6b5c6be.html江西省通信管理局https://jxca.miit.gov.cn/bsfw/bszn/dxywjyxk/art/2020/art_515630190655463192a07f39767e479d.html山东省通信管理局https://sdca.miit.gov.cn/bsfw/bszn/art/2020/art_ea60b0f5024743429099ec6e32970854.html河南省通信管理局https://hca.miit.gov.cn/bsfw/bszn/art/2020/art_568c221fda5f48ff8c45a8dd525ea0ea.html湖北省通信管理局https://hubca.miit.gov.cn/bsfw/bszn/art/2020/art_7c7220cd48fd40d29ccbf801359b64db.html湖南省通信管理局https://hunca.miit.gov.cn/bsfw/bszn/art/2019/art_b7c6652f02ff4bd09b6470e3b54b35b7.html海南省通信管理局https://hnca.miit.gov.cn/bsfw/bszn/art/2020/art_0b7b63c35dfe4026a9110a538beb5a3c.html四川省通信管理局https://scca.miit.gov.cn/bsfw/bszn/art/2020/art_73dcee3898b84e5b8d6f3835fe2e64b5.html贵州省通信管理局https://gzca.miit.gov.cn/bsfw/bszn/zzdxywxk/art/2021/art_a4c5c3cfaab64f078545ee593ca3f917.html云南省通信管理局https://ynca.miit.gov.cn/bsfw/bszn/art/2020/art_f35429178af64d3b93e3aa5f89e4f04e.html陕西省通信管理局https://shxca.miit.gov.cn/bsfw/bszn/art/2020/art_247a3fdf8e0c4a9e935df45b15040bd3.html甘肃省通信管理局https://gsca.miit.gov.cn/bsfw/bszn/art/2020/art_9e1b9da83652492e8ad16676a92a7ea2.html青海省通信管理局https://qhca.miit.gov.cn/bsfw/gsgg/art/2020/art_b3aca22b6a7d44f191a2e17c26feb0f7.html广西壮族自治区通信管理局https://gxca.miit.gov.cn/bsfw/bszn/art/2020/art_2a09114fd8cc4c6fa1fe1bec3602b950.html内蒙古自治区通信管理局https://nmca.miit.gov.cn/bsfw/bszn/art/2019/art_99b924a4fdca48cb908d57494cf46a9e.html西藏自治区通信管理局https://xzca.miit.gov.cn/bsfw/bszn/art/2020/art_fdf095ed61d84aaa8c90b7d9190e35bc.html新疆维吾尔自治区通信管理局https://xjca.miit.gov.cn/bsfw/zzdxyw/dxywjyxkzsq/bszn/art/2020/art_62c094d9868340d4bd1981c736816b4f.html