{ "url": "https://phonelookup.dev/prefix/us-608", "npa": "608", "slug": "us-608", "iso": "US", "country": "United States", "regions": [ { "code": "WI", "name": "Wisconsin", "exchanges": 799 } ], "exchanges": 799, "known": 785, "byLineType": { "fixed_line": 421, "mobile": 237, "unknown": 14, "voip": 127 }, "carriers": [ { "name": "AT&T", "exchanges": 150, "byLineType": { "fixed_line": 100, "mobile": 46, "voip": 4 }, "ranges": [ "201", "216", "218", "221–224", "226", "231–234", "236–238", "240–246", "249–252", "255–267", "270–271", "273–278", "280–288", "294", "298", "301–302", "316", "320", "322", "332", "334–335", "338", "352", "354", "358", "361–365", "368", "371", "373", "384", "394–395", "436", "440", "458", "472–474", "494", "501", "508", "510", "530", "540", "542", "552", "556", "570", "591", "602", "609–610", "615", "622", "628", "667", "678", "692", "695–696", "698", "717–720", "728", "733", "736", "741", "743", "752", "754–758", "765", "770", "772", "774", "802", "812", "818", "844", "853", "873", "877", "882–883", "890", "907", "914–916", "925", "957", "960", "974–975", "977", "984" ] }, { "name": "Lumen", "exchanges": 112, "byLineType": { "fixed_line": 102, "voip": 10 }, "ranges": [ "227", "229", "269", "272", "309", "323", "326–327", "337", "342", "348–349", "355–357", "366", "372", "374–375", "378", "388", "390", "392", "396", "399", "416–417", "433", "435", "462–464", "466–468", "476", "478", "486", "488", "492", "498", "507", "512", "517", "522", "525–526", "532", "534", "539", "543", "554", "561", "569", "582", "595", "620", "635", "653–654", "668", "687", "699", "708–709", "713", "716", "729", "734", "738–739", "759", "775–776", "779", "781–789", "791", "793", "795–796", "807", "810", "816", "823", "842", "846", "854", "857", "859", "868", "872", "874–876", "881", "887", "899", "922", "929", "943", "955", "965", "968", "989" ] }, { "name": "UScellular", "exchanges": 76, "byLineType": { "mobile": 76 }, "ranges": [ "206", "212", "214", "219–220", "225", "228", "235", "247", "279", "289–290", "295", "317", "330", "341", "343–344", "369–370", "386", "393", "403", "412", "415", "422", "426", "432", "434", "438", "444–445", "450", "459", "480", "482", "484–485", "487", "490", "513", "516", "521", "545", "547–548", "558", "573–577", "598", "604", "606", "617", "619", "631", "639–640", "671", "693", "697", "712", "732", "751", "778", "790", "792", "804", "843", "885", "921", "931", "963", "973" ] }, { "name": "Verizon", "exchanges": 58, "byLineType": { "fixed_line": 4, "mobile": 54 }, "ranges": [ "215", "293", "306", "331", "345–347", "377", "379", "381", "387", "391", "397", "404", "406–408", "418–419", "425", "428", "449", "460–461", "469", "475", "477", "479", "481", "495", "509", "518", "553", "572", "581", "613", "621", "632–633", "636", "642", "669", "683", "726", "769", "780", "797", "799", "851–852", "861", "863–865", "886", "904–905", "910" ] }, { "name": "Frontier", "exchanges": 57, "byLineType": { "fixed_line": 57 }, "ranges": [ "253–254", "296–297", "319", "339–340", "350", "360", "383", "423–424", "429", "455", "493", "524", "544", "546", "549", "564", "583", "585", "588", "592", "596", "623", "637", "643–644", "647", "655", "666", "676–677", "727", "742", "745", "748", "753", "764", "825", "834–835", "837–839", "847", "879", "884", "897", "924", "935", "937", "967", "981", "986–987" ] }, { "name": "Onvoy", "exchanges": 50, "byLineType": { "voip": 50 }, "ranges": [ "353", "400", "409", "414", "430–431", "453–454", "456", "470", "502", "504–506", "590", "594", "597", "600", "605", "608", "674", "680", "686", "694", "702–703", "721", "731", "747", "766", "768", "800", "805–806", "809", "841", "860", "871", "888", "891", "906", "923", "928", "940–941", "961", "990–991", "993", "999" ] }, { "name": "TDS Telecom", "exchanges": 47, "byLineType": { "fixed_line": 47 }, "ranges": [ "324–325", "328–329", "336", "410", "439", "465", "523", "527", "533", "560", "565", "568", "685", "723", "725", "763", "767", "773", "777", "794", "798", "821–822", "824", "826–833", "836", "845", "848–850", "858", "862", "934", "938", "966", "988", "994", "996" ] }, { "name": "T-Mobile", "exchanges": 37, "byLineType": { "mobile": 37 }, "ranges": [ "207–209", "213", "217", "239", "304", "312", "315", "351", "359", "385", "448", "515", "566–567", "658", "704", "706–707", "724", "814–815", "898", "901", "917", "951–954", "956", "962", "964", "970–972", "980" ] }, { "name": "Spectrum", "exchanges": 25, "byLineType": { "fixed_line": 25 }, "ranges": [ "291", "318", "401", "413", "420", "451", "497", "519", "563", "579–580", "599", "607", "612", "630", "651", "659", "670", "691", "737", "771", "813", "820", "892", "919" ] }, { "name": "Tds Metrocom", "exchanges": 22, "byLineType": { "fixed_line": 22 }, "ranges": [ "203–205", "210", "230", "308", "310", "313–314", "321", "333", "441–443", "446", "661–665", "750", "855" ] }, { "name": "Ton80 Communications", "exchanges": 22, "byLineType": { "voip": 22 }, "ranges": [ "551", "746", "760", "840", "869", "878", "880", "908", "913", "926", "932", "936", "939", "942", "945", "947", "969", "978", "992", "995", "997–998" ] }, { "name": "MCC Telephony", "exchanges": 19, "byLineType": { "fixed_line": 19 }, "ranges": [ "380", "491", "499", "503", "529", "614", "641", "650", "652", "656", "660", "672", "679", "681", "701", "705", "749", "761", "808" ] }, { "name": "Bandwidth.com", "exchanges": 14, "byLineType": { "voip": 14 }, "ranges": [ "389", "447", "496", "520", "535", "601", "616", "618", "684", "688", "801", "817", "909", "912" ] }, { "name": "Paetec Itel", "exchanges": 10, "byLineType": { "fixed_line": 10 }, "ranges": [ "268", "299", "305", "514", "531", "541", "646", "740", "819", "856" ] }, { "name": "Vernon Telephone Cooperative", "exchanges": 8, "byLineType": { "fixed_line": 8 }, "ranges": [ "528", "625", "627", "629", "634", "648", "675", "689" ] }, { "name": "Fractel", "exchanges": 7, "byLineType": { "voip": 7 }, "ranges": [ "200", "300", "500", "900", "933", "944", "946" ] }, { "name": "Emergency Networks", "exchanges": 6, "byLineType": { "mobile": 6 }, "ranges": [ "710", "714–715", "918", "948", "979" ] }, { "name": "Bug Tussel Wireless", "exchanges": 5, "byLineType": { "mobile": 5 }, "ranges": [ "382", "402", "557", "593", "645" ] }, { "name": "Richland-Grant Telephone Cooperative", "exchanges": 5, "byLineType": { "fixed_line": 5 }, "ranges": [ "536–538", "624", "735" ] }, { "name": "USA Mobility", "exchanges": 5, "byLineType": { "mobile": 5 }, "ranges": [ "303", "307", "578", "603", "657" ] }, { "name": "American Messaging", "exchanges": 4, "byLineType": { "mobile": 4 }, "ranges": [ "202", "376", "550", "559" ] }, { "name": "Marquette Adams Telephone", "exchanges": 4, "byLineType": { "fixed_line": 4 }, "ranges": [ "584", "586–587", "589" ] }, { "name": "Peerless Network", "exchanges": 4, "byLineType": { "voip": 4 }, "ranges": [ "471", "571", "889", "949" ] }, { "name": "Coon Valley Farmers Telephone Company", "exchanges": 3, "byLineType": { "fixed_line": 3 }, "ranges": [ "452", "457", "483" ] }, { "name": "HD Carrier", "exchanges": 3, "byLineType": { "voip": 3 }, "ranges": [ "722", "730", "920" ] }, { "name": "Twilio International", "exchanges": 3, "byLineType": { "voip": 3 }, "ranges": [ "803", "895", "903" ] }, { "name": "Brightlink Communications", "exchanges": 2, "byLineType": { "mobile": 1, "voip": 1 }, "ranges": [ "292", "421" ] }, { "name": "Cochrane Cooperative Telephone Company", "exchanges": 2, "byLineType": { "fixed_line": 2 }, "ranges": [ "248", "626" ] }, { "name": "Dish Wireless", "exchanges": 2, "byLineType": { "mobile": 2 }, "ranges": [ "896", "902" ] }, { "name": "LaValle Telephone Cooperative", "exchanges": 2, "byLineType": { "fixed_line": 2 }, "ranges": [ "983", "985" ] }, { "name": "Lemonweir Valley Telephone Company", "exchanges": 2, "byLineType": { "fixed_line": 2 }, "ranges": [ "427", "562" ] }, { "name": "Mount Horeb Telephone Company", "exchanges": 2, "byLineType": { "fixed_line": 2 }, "ranges": [ "437", "930" ] }, { "name": "Nuso", "exchanges": 2, "byLineType": { "fixed_line": 2 }, "ranges": [ "870", "893" ] }, { "name": "TELNYX", "exchanges": 2, "byLineType": { "voip": 2 }, "ranges": [ "405", "927" ] }, { "name": "Access2Go", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "367" ] }, { "name": "Airespring", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "398" ] }, { "name": "Belmont Telephone Company", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "762" ] }, { "name": "COMMIO LLC", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "867" ] }, { "name": "CSC Wireless LLC", "exchanges": 1, "byLineType": { "mobile": 1 }, "ranges": [ "690" ] }, { "name": "Comcast", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "894" ] }, { "name": "Cuba City Telephone Exchange Company", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "744" ] }, { "name": "Genuine Telecom", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "649" ] }, { "name": "Hillsboro Telephone Company", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "489" ] }, { "name": "IP Horizon", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "673" ] }, { "name": "Terra Nova Telecom", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "866" ] }, { "name": "Vernon Communications", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "638" ] }, { "name": "Vonage", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "982" ] } ], "grid": "vmmfffmmmmfummmmfmfmmffffmffmffffffmfffmfffffffmfffffffffffffffffffffffffffffffmfffffffffmmfvmfmffffvfmmmfmmfffumffmfmffmfmfffffffmmmfmmffmffmfmmmmmfffmvvffffmmfffffffvvmmfffffmmfmfmmffmmmfvfmfmmffmvfvfmmmvmfmvfumfvmfvmmfmmffmmfmfvvmfmfmfmfffffmmfvmmmffvvfvffmfmfffffffmvvmfmmfmfmmmmfmmfmffmfffmmvfffvfvfvvvvfmmufmfmmfmfvmffffffffmffffvffffmfmffmfmmfmvmmfummmmffffffmmfvfvmmmmmmmffmffffffffvffmvvfvmfvvfmmvmfvmmufmfmvmvmffmfffffmffmmmffmffmmfmffmfffffffvfffmmffffffffmfffmfvvfffmfvf-mvfvfvfmfmmvmmmmfufvvmfmmffmumfmmfmmmfvvfmfmfffvvmmffvfffffffffvvfffmffffffffvffffvvfvmmfmfmfffmfmfffffffffmfmffffmfmvvfvmvvffvfumfmmfvmfffffffffffffffffffffvvfmmffffffmmmfffffvvmfmmmvvfvfvffffffvfvvfffmmvvvfvffvvmfmvvmmvmmvfvvmuvvfffmmfvmfvfmvvvffmvvffvffvvvvfvvvvmvummmmvmfuumvmmmffffvmmmmmfufvmmfvfmfffffvvvvfvfvvv", "patterns": { "all": "^\\+1608[2-9]\\d{6}$", "fixed_line": "^\\+1608(?:2(?:0[3-5]|1[068]|2[1-4679]|3[0-46-8]|4[0-689]|[56]\\d|[78][0-8]|9[146-9])|3(?:0[1589]|1[034689]|2[13-9]|3[3679]|4[0289]|5[04-7]|6[0-6]|7[1-58]|8[0348]|9[02569])|4(?:0[17]|1[036]|2[03479]|3[3579]|4[0-36]|5[12578]|6[02-8]|7[368]|8[3689]|9[1-37-9])|5(?:0[138]|1[2479]|2[2-9]|3[1-46-9]|4[13469]|54|6[0-58]|7[09]|8[02-9]|9[1269])|6(?:0[27]|1[24]|2[013-79]|3[04578]|4[1346-9]|5[0-24-69]|6[0-689]|7[025-79]|8[1579]|9[19])|7(?:0[1589]|1[36]|2[0357-9]|3[457-9]|4[0-589]|5[02-9]|6[1-47]|7[135-79]|8[1-9]|9[13-68])|8(?:0[278]|1[0369]|[23]\\d|4[25-9]|5[04-8]|6[28]|7[02-79]|8[2-4]|9[0237])|9(?:[05]7|1[4-69]|2[249]|3[04578]|43|6[5-8]|7[57]|8[135-9]|9[46]))\\d{4}$", "mobile": "^\\+1608(?:2(?:0[126-9]|1[2-579]|2[058]|3[59]|47|[78]9|9[035])|3(?:0[2-467]|1[257]|2[02]|3[0-2458]|4[13-7]|5[189]|69|7[0679]|8[125-7]|9[1347])|4(?:0[2-468]|1[2589]|2[12568]|3[2468]|4[4589]|5[09]|6[19]|7[24579]|8[0-2457]|9[045])|5(?:09|1[03568]|[28]1|30|4[02578]|5[0236-9]|6[67]|7[2-8]|9[38])|6(?:0[3469]|1[03579]|2[28]|3[1-369]|4[025]|5[78]|67|7[18]|83|9[0235-8])|7(?:0[467]|1[02457-9]|2[46]|3[23]|51|69|7[0248]|80|9[0279])|8(?:04|1[2458]|4[34]|5[1-3]|6[13-5]|8[56]|9[68])|9(?:0[1245]|1[078]|2[15]|31|48|5[1-46]|6[02-4]|7[0-49]|8[04]))\\d{4}$", "voip": "^\\+1608(?:2(?:00|92)|3(?:00|5[23]|6[78]|89|98)|4(?:0[059]|1[47]|[37][01]|47|5[346]|96)|5(?:0[024-7]|20|35|[57]1|69|9[0457])|6(?:0[0158]|1[68]|53|7[34]|8[0468]|94)|7(?:0[23]|2[12]|3[016]|4[67]|6[0568])|8(?:0[013569]|17|4[01]|59|6[0679]|7[18]|8[017-9]|9[1459])|9(?:0[03689]|1[23]|2[036-8]|3[2369]|4[0-24-79]|55|6[19]|78|82|9[0-357-9]))\\d{4}$" }, "sandbox": { "input": "+16085550123", "valid": true, "type": "Fixed line or mobile", "region": "US", "formats": { "e164": "+16085550123", "international": "+1 608-555-0123", "national": "(608) 555-0123", "rfc3966": "tel:+1-608-555-0123" }, "parts": { "countryCode": "+1", "destinationCode": "608", "destinationKind": "area code", "subscriber": "5550123" } }, "faq": [ { "question": "Where is area code 608?", "answer": "Area code 608 is in Wisconsin, in the United States: all 799 of its exchanges on record are there. From abroad it is dialled +1 608, then the seven-digit number." }, { "question": "Is a 608 number mobile or landline?", "answer": "Either: in the North American Numbering Plan the line type belongs to the exchange (the three digits after the area code), not to the area code. Of the 799 exchanges on record in 608, 237 (30%) were allocated as mobile, 421 (53%) as fixed line, 127 (16%) as VoIP and 14 (2%) have no line type on record. A number can have been ported since, to another carrier and even to another line type." }, { "question": "Which carriers have numbers in area code 608?", "answer": "47 carriers hold exchanges in 608 on record; the most: AT&T (150), Lumen (112) and UScellular (76). These are the original allocations: with number portability, a number may be served by another carrier today, which only a live carrier lookup (an HLR or MNP query) can tell." }, { "question": "How do I validate a 608 phone number?", "answer": "In E.164 a 608 number matches ^\\+1608[2-9]\\d{6}$: +1, the area code, a central office code that does not start with 0 or 1, then four digits. Written nationally it reads (608) 555-0123. The exchange patterns on this page narrow it to the exchanges allocated as mobile, fixed line or VoIP." } ], "neighbours": { "sameRegion": [ "us-262", "us-274", "us-414", "us-534", "us-715", "us-920" ], "previous": "us-607", "next": "us-609" }, "meta": { "dataAsOf": "2026-10-25", "dataPoints": 799, "references": [ { "authority": "NANPA", "title": "North American Numbering Plan Administrator", "url": "https://nanpa.com/" }, { "authority": "CNAC", "title": "Canadian Numbering Administrator", "url": "https://www.cnac.ca/" }, { "authority": "ITU", "title": "National numbering plan: United States", "url": "https://www.itu.int/oth/T02020000DE/en" } ] } }