Local-number carriers in Wisconsin (WI)

← all states · area codes: 920 (5,738) · 608 (5,165) · 715 (5,155) · 262 (4,887) · 414 (3,662) · 534 (623) · 274 (110) · 353 (69)

Top carrier groups in Wisconsin

Multiple state-OCNs from the same brand are rolled up here. Bar length is total blocks; red overlay is recent activity in the last 18 months.

T-Mobile2,646 / 280U.S. Cellular1,084 / 277AT&T2,946 / 272Onvoy3,477 / 181Verizon2,524 / 149Terra Nova Telecom94 / 90Charter IP Enabled Ser623 / 29Bandwidth.com1,211 / 17HD Carrier28 / 15Dish Wireless80 / 14TWC IP Enabled Service417 / 13Peerless Network333 / 11
Show full table (25 groups)
GroupTypeOCNs in WIBlocksRecent
T-Mobile Personal Communications Service (Wireless) 4 2,646 280
U.S. Cellular Wireless Carrier 1 1,084 277
AT&T Wireless Carrier 4 2,946 272
Onvoy Competitive Local Exchange Carrier 1 3,477 181
Verizon Wireless Carrier 2 2,524 149
Terra Nova Telecom IP-Enabled Service / VoIP 1 94 90
Charter IP Enabled Services IP-Enabled Service / VoIP 1 623 29
Bandwidth.com Competitive Local Exchange Carrier 1 1,211 17
HD Carrier IP-Enabled Service / VoIP 1 28 15
Dish Wireless Wireless Carrier 1 80 14
TWC IP Enabled Services IP-Enabled Service / VoIP 1 417 13
Peerless Network Competitive Local Exchange Carrier 1 333 11
Wavenation IP-Enabled Service / VoIP 1 8 8
Centurylink Competitive Local Exchange Carrier 22 2,657 6
Onvoy Spectrum Wireless Carrier 1 654 5
Cellcom Wireless Carrier 2 182 4
Comcast IP-Enabled Service / VoIP 1 25 4
Twilio International IP-Enabled Service / VoIP 1 16 4
Leap Telecom IP-Enabled Service / VoIP 1 4 4
Brightlink Communications IP-Enabled Service / VoIP 3 58 2
Charter Fiberlink Competitive Local Exchange Carrier 1 29 2
ImOn Communicatoins Competitive Local Exchange Carrier 1 2 2
Chequamegon Communications Cooperative Inc Incumbent Local Exchange Carrier 2 182 1
ntera Competitive Local Exchange Carrier 1 11 1
Ameritech Illinois Regional Bell Operating Company 2 2,024 ·

Area codes in Wisconsin

Sized by total number blocks indexed in each area code. Click any NPA for its full carrier directory.

9205,7386085,1657155,1552624,8874143,66253462327411035369

All OCNs in Wisconsin

OCNCompanyGroupHQTypeBlocksRecentWebsite
6274 United States Cellular - WI U.S. Cellular Chicago Wireless Carrier 1,084 277 uscellular.com
6534 New Cingular Wireless PCS LLC - IL AT&T Atlanta Wireless Carrier 2,163 267 att.com
225C Onvoy LLC - WI Onvoy Chicago Competitive Local Exchange Carrier 3,477 181 sinch.com
6529 T-Mobile USA Inc T-Mobile Bellevue Personal Communications Service (Wireless) 1,811 164 t-mobile.com
6508 Cellco Partnership dba Verizon Wireless - WI Verizon Olathe Wireless Carrier 2,321 148 verizonwireless.com
5562 T-Mobile USA Inc T-Mobile Dallas Personal Communications Service (Wireless) 659 111 metropcs.com
145J Terra Nova Telecom Inc Terra Nova Telecom Lakewood Ranch IP-Enabled Service / VoIP 94 90 terranova.net
792K Charter IP Enabled Services LLC Charter IP Enabled Services Saint Louis IP-Enabled Service / VoIP 623 29
007F Bandwidth.com CLEC LLC - WI Bandwidth.com Cary Competitive Local Exchange Carrier 1,211 17 bandwidth.com
321J HD Carrier LLC HD Carrier Henderson IP-Enabled Service / VoIP 28 15 hdcarrier.com
490J Boost SubscriberCo LLC Dish Wireless Washington Wireless Carrier 80 14 dish.com
793K TWC IP Enabled Services LLC TWC IP Enabled Services Saint Louis IP-Enabled Service / VoIP 417 13
227F Peerless Network of Wisconsin LLC - WI Peerless Network Chicago Competitive Local Exchange Carrier 333 11 peerlessnetwork.com
700J Wavenation LLC Wavenation Chicago IP-Enabled Service / VoIP 8 8 peerlessnetwork.com
5489 Level 3 Communications LLC - WI Centurylink Broomfield Competitive Local Exchange Carrier 1,155 6 centurylink.com
624H Onvoy Spectrum LLC Onvoy Spectrum Broomfield Wireless Carrier 654 5
7216 Teleport Communications America - WI - LLC AT&T Staten Island Competitive Local Exchange Carrier 647 5 att.com
6701 Aerial Communications Inc T-Mobile Chicago Personal Communications Service (Wireless) 173 5 t-mobile.com
318J Comcast IP Phone LLC Comcast Philadelphia IP-Enabled Service / VoIP 25 4 comcast.com
506J Twilio International Inc Twilio International San Francisco IP-Enabled Service / VoIP 16 4 twilio.com
616J Leap Telecom LLC Leap Telecom Denver IP-Enabled Service / VoIP 4 4 leap.tel
6692 New Cell dba Cellcom Cellcom De Pere Wireless Carrier 178 2 cellcom.com
3839 Charter Fiberlink LLC - WI Charter Fiberlink Saint Louis Competitive Local Exchange Carrier 29 2 spectrum.com
478J NUSO LLC Brightlink Communications Atlanta IP-Enabled Service / VoIP 22 2 brightlink.com
5564 Wisconsin RSA #10 Limited Partnership Cellcom Green Bay Wireless Carrier 4 2 cellcom.com
458L ImOn Communicatoins LLC ImOn Communicatoins Cedar Rapids Competitive Local Exchange Carrier 2 2
7229 MCImetro Access Transmission Services LLC Verizon Vienna Competitive Local Exchange Carrier 203 1 verizon.com
8615 Norvado Inc Chequamegon Communications Cooperative Inc Cable Competitive Local Exchange Carrier 52 1
129J Ntera LLC - WI ntera New Auburn Competitive Local Exchange Carrier 11 1 citizens-connected.com
9327 Ameritech Wisconsin Ameritech Illinois Hoffman Estates Regional Bell Operating Company 2,021 · att.com
0886 Frontier North Inc - WI Frontier Rochester Incumbent Local Exchange Carrier 728 · frontier.com
829J PAETEC iTel LLC Windstream Charlotte IP-Enabled Service / VoIP 494 ·
520K TDS Metrocom LLC Tennessee Telephone Company Madison IP-Enabled Service / VoIP 369 ·
508J CenturyLink Communications LLC Centurylink Littleton IP-Enabled Service / VoIP 313 · centurylink.com
516J Ton80 Communications LLC Ton80 Communications Anderson IP-Enabled Service / VoIP 238 · coretel.net
1159 Brightspeed of Central Wisconsin LLC Centurylink Monroe Incumbent Local Exchange Carrier 217 · centurylink.com
1155 Telephone USA of Wisconsin LLC dba CenturyLink Centurylink Monroe Incumbent Local Exchange Carrier 181 · centurylink.com
939H Commio LLC Commio Austin IP-Enabled Service / VoIP 148 · commio.com
965H Fractel LLC Fractel Indialantic IP-Enabled Service / VoIP 146 · fractel.net
0924 Brightspeed of North Central Wisconsin LLC Centurylink Monroe Incumbent Local Exchange Carrier 145 · centurylink.com
0922 Brightspeed of Western Wisconsin LLC Centurylink Monroe Incumbent Local Exchange Carrier 137 · centurylink.com
7322 Level 3 Telecom of Wisconsin LP - WI Centurylink Littleton Competitive Local Exchange Carrier 136 · centurylink.com
0860 Chequamegon Communications Cooperative Inc Chequamegon Communications Cooperative Inc Cable Incumbent Local Exchange Carrier 130 · norvado.com
516C AT&T Enterprises LLC AT&T San Antonio IP-Enabled Service / VoIP 128 · att.com
698E Michigan Wireless LLC dba Bug Tussel Wireless Bug Tussel Wireless Green Bay Wireless Carrier 128 · btussel.com
MULT Multiple OCN Listing MULTIPLE OCN LISTING Administrative / Reserved 112 ·
766H Integrated Path Communications LLC - WI Integrated Path Communications Hillsdale Competitive Local Exchange Carrier 110 · ipc-llc.com
9759 Metro Southwest PCS LLP Metro Southwest PCS Green Bay Personal Communications Service (Wireless) 91 · nsighttel.com
839J EON Telecom Inc EON Telecom Bellingham IP-Enabled Service / VoIP 83 ·
073H Telnyx LLC TELNYX Chicago IP-Enabled Service / VoIP 70 · telnyx.com
0841 Brightspeed of Western Wisconsin LLC Centurylink Monroe Incumbent Local Exchange Carrier 67 · centurylink.com
0964 Frontier Communications of Wisconsin LLC Frontier Rochester Incumbent Local Exchange Carrier 60 · frontier.com
0859 Central State Telephone Company Tennessee Telephone Company Madison Incumbent Local Exchange Carrier 58 · tdstelecom.com
0956 Brightspeed of Northern Wisconsin LLC Centurylink Monroe Incumbent Local Exchange Carrier 58 · centurylink.com
0971 West Wisconsin Telcom Cooperative Inc West Wisconsin Telcom Cooperative Downsville Incumbent Local Exchange Carrier 58 · wwt.net
0870 Frontier Communications of Wisconsin LLC Frontier Rochester Incumbent Local Exchange Carrier 56 · frontier.com
0950 Brightspeed of Northwest Wisconsin LLC Centurylink Monroe Incumbent Local Exchange Carrier 56 · centurylink.com
983F MCC Telephony of the Midwest LLC - WI MCC Telephony Middletown Competitive Local Exchange Carrier 55 · mediacomcc.com
0913 Brightspeed of Midwest Wisconsin LLC Centurylink Monroe Incumbent Local Exchange Carrier 52 · centurylink.com
0963 Utelco Inc Tennessee Telephone Company Madison Incumbent Local Exchange Carrier 50 · tdstelecom.com
0914 Eastcoast Telecom Inc Tennessee Telephone Company Madison Incumbent Local Exchange Carrier 43 · tdstelecom.com
9748 American Messaging Services LLC American Messaging Services LLC Lewisville Wireless Carrier 43 · americanmessaging.net
0920 Niagara Telephone Company Niagara Telephone Company Hector Incumbent Local Exchange Carrier 40 · nsight.com
7588 CenturyLink Communications LLC - WI Centurylink Monroe Competitive Local Exchange Carrier 40 · centurylink.com
197D Vonage America LLC Vonage Network Holmdel IP-Enabled Service / VoIP 39 · vonage.com
0881 Mid-Plains Telephone Inc Tennessee Telephone Company Madison Incumbent Local Exchange Carrier 37 · tdstelecom.com
6630 Spok Inc USA Mobility Plano Wireless Carrier 36 · spok.com
0917 Mt. Vernon Telephone Company Tennessee Telephone Company Madison Incumbent Local Exchange Carrier 34 · tdstelecom.com
0937 Price County Telephone Company Price County Telephone Company Phillips Incumbent Local Exchange Carrier 30 · norvado.com
6183 Net LEC Inc Net Lec Green Bay Competitive Local Exchange Carrier 29 ·
0970 Brightspeed of Western Wisconsin LLC Centurylink Monroe Incumbent Local Exchange Carrier 27 · centurylink.com
732J NUSO LLC Brightlink Communications University City IP-Enabled Service / VoIP 27 · brightlink.com
0909 Midway Telephone Company - WI Tennessee Telephone Company Madison Incumbent Local Exchange Carrier 26 · tdstelecom.com
0930 Grantland Telecom Inc Tennessee Telephone Company Madison Incumbent Local Exchange Carrier 26 · tdstelecom.com
0938 Northeast Telephone Company Northeast Telephone Company Pulaski Incumbent Local Exchange Carrier 26 · nsighttel.com
0844 Badger Telecom Inc Tennessee Telephone Company Madison Incumbent Local Exchange Carrier 24 · tdstelecom.com
0880 The Farmers Telephone Company Tennessee Telephone Company Lancaster Incumbent Local Exchange Carrier 23 · tdstelecom.com
0954 Stockbridge & Sherwood Telephone Company Tennessee Telephone Company Madison Incumbent Local Exchange Carrier 23 · tdstelecom.com
4855 24-7 Telcom Inc - WI 24-7 Telcom Menomonie Competitive Local Exchange Carrier 22 · wwt.net
0846 Baldwin Telecom Inc Baldwin Telecom Baldwin Incumbent Local Exchange Carrier 21 · baldwin-telecom.net
0931 Brightspeed of Southern Wisconsin LLC Centurylink Monroe Incumbent Local Exchange Carrier 20 · centurylink.com
0973 Wittenberg Telephone Company Wittenberg Telephone Company Wittenberg Incumbent Local Exchange Carrier 20 · cirrinity.net
0974 Wood County Telephone Company Wood County Telephone Company Wisconsin Rapids Incumbent Local Exchange Carrier 20 · solarus.net
0945 Scandinavia Telephone Company Tennessee Telephone Company Madison Incumbent Local Exchange Carrier 19 · tdstelecom.com
7998 CTC Telcom Inc One Communications Dallas Competitive Local Exchange Carrier 19 · earthlink.net
0943 Riverside Telcom Inc Tennessee Telephone Company Madison Incumbent Local Exchange Carrier 18 · tdstelecom.com
623D Time Warner Cable Information Services (Wisconsin) LLC - WI tw telecom Stamford Competitive Local Exchange Carrier 18 · level3.com
0895 Brightspeed of Wisconsin LLC Centurylink Monroe Incumbent Local Exchange Carrier 17 · centurylink.com
375F PLTC LLC - WI Packerland Broadband Iron Mountain Competitive Local Exchange Carrier 17 · astreaconnect.com
0861 Chibardun Telephone Cooperative Inc Chibardun Telephone Cooperative Dallas Incumbent Local Exchange Carrier 15 · experiencemosaic.com
0944 Frontier Communications of Wisconsin LLC Frontier Rochester Incumbent Local Exchange Carrier 15 · frontier.com
495J Stratus Networks Inc Access2Go Peoria Heights IP-Enabled Service / VoIP 15 · stratusnet.com
8614 Bayland Telephone LLC Bayland Telephone Abrams Competitive Local Exchange Carrier 13 · nsighttel.com
2556 Tech Com Inc - WI Genuine Telecom Blue River Competitive Local Exchange Carrier 12 · genuinetel.com
408G Marquette-Adams Telephone Cooperative Inc - WI Marquette Adams Telephone Oxford Competitive Local Exchange Carrier 12 · maadtelco.com
0843 Amherst Telephone Company Amherst Telephone Company Amherst Incumbent Local Exchange Carrier 11 · amherstcomm.net
0918 Nelson Communications Cooperative Nelson Telephone Cooperative Durand Incumbent Local Exchange Carrier 11 · ntec.net
0960 Tri-County Telephone Cooperative Inc Tri-County Telephone Cooperative Strum Incumbent Local Exchange Carrier 11 · tccpro.net
0856 Burlington Brighton & Wheatland Telephone Company Tennessee Telephone Company Madison Incumbent Local Exchange Carrier 10 · tdstelecom.com
0898 Brightspeed of East Central Wisconsin LLC Centurylink Monroe Incumbent Local Exchange Carrier 10 · centurylink.com
0912 Frontier Communications of Wisconsin LLC Frontier Rochester Incumbent Local Exchange Carrier 10 · frontier.com
0958 Tenney Telephone Company Tennessee Telephone Company Madison Incumbent Local Exchange Carrier 10 · tdstelecom.com
3043 MH Telecom Inc - WI Mount Horeb Telephone Company Mount Horeb Competitive Local Exchange Carrier 10 · mhtc.net
0769 Lakeland Communications Group LLC Lakeland Telecom Luck Competitive Local Exchange Carrier 9 · lakeland.ws
0851 Bonduel Telephone Company Tennessee Telephone Company Madison Incumbent Local Exchange Carrier 9 · tdstelecom.com
0952 Southeast Telephone Company of Wisconsin Inc Tennessee Telephone Company Madison Incumbent Local Exchange Carrier 9 · tdstelecom.com
1183 Citizens Telecommunications Company of Illinois dba Frontier Citizens Communications of Illinois Frontier Rochester Incumbent Local Exchange Carrier 9 · frontier.com
551G NUSO LLC Brightlink Communications Atlanta Wireless Carrier 9 · 365wireless.net
0850 Bloomer Telephone Company Bloomer Telephone Company Bloomer Incumbent Local Exchange Carrier 8 · bloomer.net
0905 Manawa Telephone Company Inc Manawa Telephone Company Manawa Incumbent Local Exchange Carrier 8 ·
0915 Mosinee Telephone Company Tennessee Telephone Company Mosinee Incumbent Local Exchange Carrier 8 · tdstelecom.com
0966 Vernon Telephone Cooperative Inc Vernon Telephone Cooperative Westby Incumbent Local Exchange Carrier 8 · vernoncom.coop
0968 Waunakee Telephone Company Tennessee Telephone Company Madison Incumbent Local Exchange Carrier 8 · tdstelecom.com
169E Baldwin Broadband LLC - WI BTI Baldwin Competitive Local Exchange Carrier 8 · baldwin-telecom.net
425J CSC Wireless LLC CSC Wireless Long Island City Wireless Carrier 8 · alticeusa.com
7421 AT&T Local AT&T Bedminster Competitive Local Exchange Carrier 8 · att.com
841H Peninsula Fiber Network LLC - WI Peninsula Fiber Network Marquette Competitive Local Exchange Carrier 8 · up.net
0875 Dickeyville Telephone Corporation Tennessee Telephone Company Lancaster Incumbent Local Exchange Carrier 7 · tdstelecom.com
0884 Brightspeed of Northeastern Wisconsin LLC Centurylink Monroe Incumbent Local Exchange Carrier 7 · centurylink.com
0925 Bayland Telephone Inc Bayland Telephone Abrams Incumbent Local Exchange Carrier 7 · nsighttel.com
997C Central Wisconsin Communications Inc - WI Solarus Wisconsin Rapids Competitive Local Exchange Carrier 7 · jsitel.com
0849 Black Earth Telephone Company Tennessee Telephone Company Madison Incumbent Local Exchange Carrier 6 · tdstelecom.com
279H Amherst Telephone Company Amherst Telephone Company Amherst Competitive Local Exchange Carrier 6 · amherstcomm.net
3706 Price County Information Systems Inc - WI Price County Telephone Company Phillips Competitive Local Exchange Carrier 6 · norvado.com
996H Airespring Inc Airespring Van Nuys IP-Enabled Service / VoIP 6 · airespring.com
0865 Clear Lake Telephone Company Inc Clear Lake Telephone Clear Lake Incumbent Local Exchange Carrier 5 · cltel.com
0942 Richland-Grant Telephone Cooperative Inc Richland-Grant Telephone Cooperative La Valle Incumbent Local Exchange Carrier 5 · rgtc.coop
0877 Brightspeed of Eastern Wisconsin LLC Centurylink Monroe Incumbent Local Exchange Carrier 4 · centurylink.com
0902 Lakeland Communications Group LLC Luck Telephone Company Milltown Incumbent Local Exchange Carrier 4 · lakeland.ws
0908 Marquette-Adams Telephone Cooperative Inc Marquette Adams Telephone Oxford Incumbent Local Exchange Carrier 4 · maadtelco.com
0934 Brightspeed of Western Wisconsin LLC Centurylink Monroe Incumbent Local Exchange Carrier 4 · centurylink.com
0951 Somerset Telephone Company Inc Somerset Telephone Company Amery Incumbent Local Exchange Carrier 4 · amerytel.net
0955 State Long Distance Telephone Company Tennessee Telephone Company Elkhorn Incumbent Local Exchange Carrier 4 · tdstelecom.com
0959 Brightspeed of Western Wisconsin LLC Centurylink Monroe Incumbent Local Exchange Carrier 4 · centurylink.com
0962 Union Telephone Company - WI Union Telephone Company Plainfield Incumbent Local Exchange Carrier 4 · unionwireless.com
1036 Frontier North Inc - IL Frontier Rochester Incumbent Local Exchange Carrier 4 · frontier.com
598J Five9 InC Five9 San Ramon IP-Enabled Service / VoIP 4 · five9.com
9631 Qwest Corporation Centurylink Minneapolis Regional Bell Operating Company 4 · centurylink.com
0842 Amery Telcom Inc Northwest Communications Amery Incumbent Local Exchange Carrier 3 · nwcomm.net
0857 Brightspeed of Western Wisconsin LLC Centurylink Monroe Incumbent Local Exchange Carrier 3 · centurylink.com
0863 Citizens Telephone Cooperative Inc Citizens Telephone Cooperative New Auburn Incumbent Local Exchange Carrier 3 · citizenstel.net
0866 Cochrane Cooperative Telephone Company Cochrane Cooperative Telephone Company Cochrane Incumbent Local Exchange Carrier 3 · cochranetel.com
0868 Coon Valley Farmers Telephone Company Coon Valley Farmers Telephone Company Coon Valley Incumbent Local Exchange Carrier 3 · coonvalleytel.com
0879 Farmers Independent Telephone Company Farmers Independent Telephone Company Grantsburg Incumbent Local Exchange Carrier 3 · grantsburgtelcom.net
0936 Indianhead Telephone Company Indianhead Telephone Company Hector Incumbent Local Exchange Carrier 3 · bevcomm.com
2964 Omnipoint Communications Midwest Operations LLC T-Mobile Cedar Knolls Personal Communications Service (Wireless) 3 · t-mobile.com
515J IP Horizon LLC IP Horizon Orlando IP-Enabled Service / VoIP 3 ·
717E Vernon Communications Cooperative Vernon Communications Westby Competitive Local Exchange Carrier 3 · vernoncom.coop
9329 Ameritech Illinois Ameritech Illinois Hoffman Estates Regional Bell Operating Company 3 · att.com
0889 Hager Telecom Inc Hager Telecom Hager City Incumbent Local Exchange Carrier 2 · bevcomm.com
0896 Lakefield Telephone Company Lakefield Telephone Manitowoc Incumbent Local Exchange Carrier 2 · nsighttel.com
0899 La Valle Telephone Cooperative LaValle Telephone Cooperative La Valle Incumbent Local Exchange Carrier 2 · rgtc.coop
0900 Lemonweir Valley Telephone Company Lemonweir Valley Telephone Company Camp Douglas Incumbent Local Exchange Carrier 2 · getlynxx.com
1519 Northern Telephone and Data Corporation - WI Northern Telephone and Data Corporation Oshkosh Competitive Local Exchange Carrier 2 · ntd.net
156J RCLEC Inc RCLEC Centennial IP-Enabled Service / VoIP 2 · rclec.com
0148 Lakefield Telephone Company LLC Lakefield Communications Manitowoc Competitive Local Exchange Carrier 1 · nsighttel.com
024L Citizens Telephone Cooperative Inc Citizens Telephone Cooperative New Auburn Competitive Local Exchange Carrier 1 ·
0847 Belmont Telephone Company Belmont Telephone Company Madison Incumbent Local Exchange Carrier 1 · cstech.com
0848 Bergen Telephone Company - WI Bergen Telephone Company Sharon Incumbent Local Exchange Carrier 1 · solarus.net
0855 Bruce Telephone Company Inc Bruce Telephone Company Bruce Incumbent Local Exchange Carrier 1 · brucetel.net
0872 Cuba City Telephone Exchange Company Inc Cuba City Telephone Exchange Company Madison Incumbent Local Exchange Carrier 1 · cstech.com
0892 Hillsboro Telephone Company Inc Hillsboro Telephone Company Hillsboro Incumbent Local Exchange Carrier 1 ·
0916 Mt. Horeb Telephone Company Mount Horeb Telephone Company Dodgeville Incumbent Local Exchange Carrier 1 · mhtc.net
0946 Sharon Telephone Company - WI Sharon Telephone Company Sharon Incumbent Local Exchange Carrier 1 · sharontc.net
0949 Siren Telephone Company Inc Siren Telephone Company Siren Incumbent Local Exchange Carrier 1 · sirentel.com
0953 Spring Valley Telephone Company Inc Spring Valley Telephone Company Spring Valley Incumbent Local Exchange Carrier 1 · svtel.net
0967 Frontier Communications of Wisconsin LLC Frontier Rochester Incumbent Local Exchange Carrier 1 · frontier.com
7747 Sharon Telephone Company Sharon Telephone Company Sharon Competitive Local Exchange Carrier 1 · sharontc.net