716-250-6776 Level 3 303-200-2478 AT&T 647-768-8557 TELUS Mobility 618-226-9130 Frontier 774-226-6278 AT&T 313-977-9505 AT&T Mobility 215-718-1715 AT&T Mobility 865-419-6553 Comcast 518-257-4747 Verizon Communications 647-764-1273 TELUS Mobility 587-700-2764 Globalive Wireless 443-902-1983 Verizon Wireless 301-525-5495 Quantum Telecommunications 931-863-8908 Twin Lakes Telephone Cooperative Corporation 732-537-2163 Verizon Communications 847-787-9909 AT&T Illinois 843-912-4323 tw telecom 863-524-1108 313-338-1198 AT&T Michigan 318-843-8988 AT&T Southeast 604-986-2120 TELUS 450-706-6633 TELUS Mobility 954-805-3251 AT&T Mobility 626-375-8853 AT&T Mobility 850-438-1883 AT&T Southeast 212-540-8232 717-951-6829 AT&T Mobility 515-664-9818 AT&T Mobility 202-739-8913 Verizon Communications 252-665-5680 Verizon Wireless 414-813-6305 AT&T Mobility 402-305-2214 AT&T Mobility 209-768-6179 Verizon Wireless 408-318-7914 Verizon Wireless 312-521-6046 AT&T 786-685-7697 Priority Paging 609-347-9312 Verizon Communications 385-468-6353 CenturyLink 407-243-4276 AT&T Southeast 612-685-4261 Sprint 404-926-1474 AT&T Southeast 405-898-1552 365 Wireless 616-421-5012 Verizon Business 215-280-5821 Verizon Wireless 254-751-8623 AT&T Southwest 403-432-2257 Rogers Communications 704-710-5411 US LEC 714-837-9795 T-Mobile 714-593-4832 Verizon Communications 312-971-1928 Bandwidth.com 917-490-7016 USA Mobility 970-641-2642 CenturyLink 253-657-3678 CenturyLink 870-921-1859 Walnut Hill Telephone Company 312-893-7443 Level 3 620-731-9056 CenturyLink 662-344-4300 AT&T Southeast 813-645-2086 Verizon Communications 916-385-9934 T-Mobile 418-572-5587 Bell Mobility 330-914-3845 USA Mobility 801-212-8822 CenturyLink 581-576-6103 TELUS Mobility 339-832-2613 Verizon Wireless 719-253-2516 CenturyLink 407-289-6371 Sprint 251-281-6260 AT&T Mobility 401-744-4345 T-Mobile 703-683-5347 Verizon Communications 561-455-6637 Deltacom 253-200-9787 Level 3 970-339-7997 CenturyLink 989-805-5810 301-906-3939 AT&T Mobility 317-359-4759 AT&T Indiana 231-201-1364 AT&T Mobility 435-784-9203 Union Telephone Company 817-986-9406 Level 3 765-364-2525 AT&T Indiana 925-796-3439 715-807-8438 Sprint 920-245-2872 AT&T 915-256-2337 T-Mobile 469-786-3944 tw telecom 409-932-6546 Sprint 715-835-8407 AT&T Wisconsin 347-652-1274 T-Mobile 515-686-9080 Verizon Wireless 585-547-5093 Frontier 239-682-2422 AT&T Mobility 705-963-5078 TELUS 603-898-3293 FairPoint Communications 917-389-8057 USA Mobility 616-230-7653 American Messaging 608-888-9313 Neutral Tandem 832-422-8311 Level 3 813-857-7602 Sprint 613-887-9235 TELUS 845-290-6392 Cablevision Lightpath 661-638-3861 AT&T California 409-996-2758 Sprint 206-365-7044 CenturyLink 828-475-9077 Level 3 708-305-3559 Verizon Wireless 914-509-4856 Level 3 709-452-1638 315-690-6163 Sprint 216-701-4990 Sprint 669-262-6924 T-Mobile 724-996-8827 Verizon Wireless 423-245-9836 CenturyLink 819-422-6513 Bell Canada 662-259-8262 CenturyLink 360-938-3477 Onvoy 207-614-6282 Bandwidth.com 417-746-1021 CenturyLink 414-434-9238 One Communications 937-338-8719 CenturyLink 647-725-6643 Globility Communications Corporation 720-439-3265 AT&T Mobility 708-755-8680 AT&T Illinois 206-478-6950 Sprint 913-252-8345 Peerless Network 972-524-7985 AT&T Southwest 701-461-1008 CenturyLink 765-998-9228 AT&T Indiana 727-283-9053 Priority Paging 513-550-8161 AT&T Mobility 408-317-8734 Pac-West Telecomm 906-355-2476 Midway Telephone Company 804-828-5866 Verizon Communications 832-314-9764 AT&T Mobility 541-994-7490 CenturyLink 530-730-1412 Pac-West Telecomm 248-220-9750 Cavalier 517-571-2991 USA Mobility 412-599-5449 Verizon Business 925-864-1376 Sprint