{ "url": "https://phonelookup.dev/prefix/us-434", "npa": "434", "slug": "us-434", "iso": "US", "country": "United States", "regions": [ { "code": "VA", "name": "Virginia", "exchanges": 532 } ], "exchanges": 532, "known": 510, "byLineType": { "fixed_line": 235, "mobile": 141, "unknown": 22, "voip": 134 }, "carriers": [ { "name": "Lumen", "exchanges": 106, "byLineType": { "fixed_line": 103, "voip": 3 }, "ranges": [ "207", "212", "214", "223", "236", "243–245", "253–254", "262", "283–284", "286", "292–293", "295–298", "309", "315", "321–322", "326", "328", "332", "349", "369", "376", "391–392", "395", "406", "439", "442", "446–447", "476–477", "483", "485", "509–510", "517", "532–533", "538", "563", "566", "572", "574–575", "581", "584–585", "589", "591", "645", "654", "676", "685", "688", "696", "724", "729", "753", "757", "767", "774", "808", "812–813", "817", "823", "830–831", "842", "872", "878–879", "923–924", "951", "955", "961", "963–964", "969–975", "977–980", "982–985", "990", "992", "995" ] }, { "name": "Verizon", "exchanges": 104, "byLineType": { "fixed_line": 72, "mobile": 32 }, "ranges": [ "200", "221–222", "237–239", "246", "248", "252", "263", "265", "270", "277", "294", "299", "316", "325", "329", "336", "348", "351–352", "361", "363", "368", "372", "374", "381", "384–386", "390", "414", "422", "432–433", "454", "460", "473", "505", "522", "525", "528", "534–535", "542", "544", "568–569", "577", "579", "582", "592", "594", "602", "632", "634", "637", "658", "709–710", "713", "735–736", "738", "766", "770", "773", "791–793", "797", "799", "821–822", "832", "835–836", "841", "845–849", "856", "906–907", "922", "929", "933", "941–942", "944", "946–949", "954", "962", "981", "987", "989", "993", "996" ] }, { "name": "AT&T", "exchanges": 49, "byLineType": { "fixed_line": 5, "mobile": 44 }, "ranges": [ "203", "209–210", "218", "233", "242", "249–251", "258–259", "261", "306", "314", "334", "341", "343", "346", "350", "359–360", "366", "380", "383", "396–398", "402", "405", "407", "413", "415–419", "430", "456–457", "466", "480", "489", "548–549", "603", "851", "865", "889", "917" ] }, { "name": "T-Mobile", "exchanges": 38, "byLineType": { "mobile": 38 }, "ranges": [ "201", "213", "227–229", "247", "272", "279", "301", "305", "319", "323", "373", "375", "378", "401", "408–409", "420–421", "426", "429", "441", "444", "465", "506", "531", "546", "604", "607", "728", "760", "789", "806", "825–826", "882", "945" ] }, { "name": "Onvoy", "exchanges": 28, "byLineType": { "voip": 28 }, "ranges": [ "204", "216", "225", "231", "280", "282", "310", "331", "364", "370", "387–388", "427", "431", "436", "443", "445", "458", "464", "474", "478", "554", "595", "597", "694", "771", "810", "998" ] }, { "name": "Bandwidth.com", "exchanges": 24, "byLineType": { "voip": 24 }, "ranges": [ "205", "217", "220", "226", "230", "260", "278", "285", "288", "290", "303", "312", "318", "337", "393–394", "448", "455", "481", "515", "623", "829", "857", "886" ] }, { "name": "Fractel", "exchanges": 19, "byLineType": { "voip": 19 }, "ranges": [ "344–345", "355–356", "399", "567", "622", "633", "644", "655", "666", "677", "722", "732", "788", "844", "877", "899", "900" ] }, { "name": "UScellular", "exchanges": 15, "byLineType": { "mobile": 15 }, "ranges": [ "208", "470–471", "547", "609–610", "660–661", "664–665", "838", "939", "953", "956", "960" ] }, { "name": "CoreTel", "exchanges": 14, "byLineType": { "fixed_line": 14 }, "ranges": [ "206", "264", "273", "275", "302", "308", "313", "333", "468", "500", "512", "686", "695", "837" ] }, { "name": "Ton80 Communications", "exchanges": 14, "byLineType": { "voip": 14 }, "ranges": [ "267", "342", "624", "626", "635", "646", "683", "687", "697", "742", "746", "768", "866", "934" ] }, { "name": "IP Horizon", "exchanges": 11, "byLineType": { "voip": 11 }, "ranges": [ "241", "353–354", "367", "371", "377", "379", "389", "410", "453", "503" ] }, { "name": "Shentel Communications Company", "exchanges": 10, "byLineType": { "fixed_line": 10 }, "ranges": [ "224", "266", "287", "289", "339", "362", "365", "412", "608", "616" ] }, { "name": "Emergency Networks", "exchanges": 7, "byLineType": { "mobile": 7 }, "ranges": [ "403", "424", "428", "435", "488", "744", "884" ] }, { "name": "TELNYX", "exchanges": 7, "byLineType": { "voip": 7 }, "ranges": [ "215", "271", "274", "425", "484", "777", "888" ] }, { "name": "Paetec Itel", "exchanges": 6, "byLineType": { "fixed_line": 6 }, "ranges": [ "269", "327", "338", "382", "529", "885" ] }, { "name": "Comcast", "exchanges": 5, "byLineType": { "voip": 5 }, "ranges": [ "202", "268", "281", "404", "423" ] }, { "name": "GCI", "exchanges": 5, "byLineType": { "fixed_line": 5 }, "ranges": [ "495", "570", "630", "820", "850" ] }, { "name": "Peerless Network", "exchanges": 5, "byLineType": { "voip": 5 }, "ranges": [ "234", "255–256", "772", "818" ] }, { "name": "COMMIO LLC", "exchanges": 4, "byLineType": { "voip": 4 }, "ranges": [ "330", "440", "867", "999" ] }, { "name": "Consolidated Communications", "exchanges": 4, "byLineType": { "fixed_line": 4 }, "ranges": [ "324", "335", "656", "927" ] }, { "name": "Nuso", "exchanges": 4, "byLineType": { "fixed_line": 4 }, "ranges": [ "304", "307", "317", "320" ] }, { "name": "Buggs Island Telephone Cooperative", "exchanges": 3, "byLineType": { "fixed_line": 3 }, "ranges": [ "636", "689", "755" ] }, { "name": "Leap Telecom", "exchanges": 3, "byLineType": { "fixed_line": 3 }, "ranges": [ "449–450", "490" ] }, { "name": "Terra Nova Telecom", "exchanges": 3, "byLineType": { "voip": 3 }, "ranges": [ "300", "400", "800" ] }, { "name": "Brightlink Communications", "exchanges": 2, "byLineType": { "voip": 2 }, "ranges": [ "240", "257" ] }, { "name": "CSC Wireless LLC", "exchanges": 2, "byLineType": { "mobile": 2 }, "ranges": [ "232", "235" ] }, { "name": "Callworks Corporation", "exchanges": 2, "byLineType": { "voip": 2 }, "ranges": [ "357–358" ] }, { "name": "Dish Wireless", "exchanges": 2, "byLineType": { "mobile": 2 }, "ranges": [ "340", "347" ] }, { "name": "HD Carrier", "exchanges": 2, "byLineType": { "voip": 2 }, "ranges": [ "291", "833" ] }, { "name": "Opentact", "exchanges": 2, "byLineType": { "fixed_line": 2 }, "ranges": [ "587", "639" ] }, { "name": "Twilio International", "exchanges": 2, "byLineType": { "voip": 2 }, "ranges": [ "437", "895" ] }, { "name": "Vonage", "exchanges": 2, "byLineType": { "voip": 2 }, "ranges": [ "459", "499" ] }, { "name": "Wavenation", "exchanges": 2, "byLineType": { "fixed_line": 2 }, "ranges": [ "451–452" ] }, { "name": "Ringer Mobile", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "438" ] }, { "name": "Spectrum", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "966" ] }, { "name": "USA Mobility", "exchanges": 1, "byLineType": { "mobile": 1 }, "ranges": [ "940" ] }, { "name": "YMax Communications", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "219" ] } ], "grid": "fmvmvvffmfmufmfvvvfvvmmffvvmmmvvmfvmffmfvvmffffmfmmmffvvvvmmvffffmfvvfmvmfvfufvmvvvffvffvfvvffmfffffvmfvfmmfffvuvfmfffvmfffmffffvfvvffmffvffmmvmvvmmffmffvvvvvvmmffmvfmvmfvvfmfmfvmvmffmfffvvvmffvvfmmmvvmfmvmfmmmvufmmmmmmmmmfvmvmvmmmvffumvvfvvmfvmvffvffffvfvmmvvf---vmm-f-mm-mv-ffv-mv-fvf--mmf----f---vf--v-fm--ffuf--v-f----f--f--ff-mffff--f-u-f-f-mmmm----vu-------f--fvfmfuf-ff-f-m-ff-ff-f-f-ff-mv-v----fmm--mfmmu----f-----vvv-v---f-mvfvfm-f----vfv-------fvf-f-mm--mmv---------fv-----v-ffvff----vffv--u--u-----mmu-m--------v-f---mf--v--ff-f---v-m-v------f-f-f--m-----ffv-mvvff--v----------vm-fff---f-fv---u-m-f-vuff---fv-ffff-mm--vfffv-fffm--mf-vffffmfm----fv-------mvv----f----vff--m-mfv-vm-----v---vv-----mm---u-----m-u--fff--f-f---fv----mmmm-mmffffuf-mffm-uumfmff-f--fffffffuffffmffff-mumf-ff-fm-vv", "patterns": { "all": "^\\+1434[2-9]\\d{6}$", "fixed_line": "^\\+1434(?:2(?:0[0679]|1[248]|2[34]|3[3679]|4[3-68]|5[23]|6[1-469]|7[357]|8[34679]|9[235-9])|3(?:0[247-9]|1[35-7]|2[0-24-79]|3[235689]|4[89]|5[12]|6[1259]|7[246]|8[124-6]|9[125])|4(?:0[26]|[12]2|3[238]|4[2679]|5[0-24]|6[08]|7[67]|8[35]|9[05])|5(?:0[059]|1[027]|2[2589]|3[2-58]|4[24]|6[368]|7[02457]|8[124579]|9[12])|6(?:0[28]|[17]6|3[0469]|45|5[468]|8[5689]|9[56])|7(?:2[49]|3[568]|5[357]|6[67]|7[34]|9[1-379])|8(?:08|1[237]|2[0-3]|3[0-25-7]|4[25-8]|5[06]|7[289]|85)|9(?:2[2-479]|33|4[6-9]|5[145]|6[13469]|7[0-57-9]|8[02-5]|9[0235]))\\d{4}$", "mobile": "^\\+1434(?:2(?:0[138]|1[03]|2[127-9]|3[258]|4[279]|5[0189]|65|7[029]|94)|3(?:0[156]|1[49]|23|34|4[01367]|5[09]|6[0368]|7[358]|8[03]|9[06-8])|4(?:0[1357-9]|1[3-9]|2[014689]|3[05]|4[14]|5[67]|6[56]|7[013]|8[089])|5(?:06|31|4[6-9]|[67]9|94)|6(?:0[3479]|10|3[27]|6[0145])|7(?:[08]9|1[03]|28|44|[67]0)|8(?:06|2[56]|38|4[19]|51|65|8[249])|9(?:0[67]|17|39|4[0-245]|5[36]|6[02]|8[179]|96))\\d{4}$", "voip": "^\\+1434(?:2(?:0[245]|1[5-79]|2[056]|3[014]|[49][01]|5[4-7]|6[078]|7[148]|8[0-258])|3(?:0[03]|1[028]|28|3[017]|4[245]|5[3-8]|6[47]|7[0179]|8[7-9]|9[349])|4(?:0[04]|10|2[357]|3[1679]|4[0358]|5[3589]|64|7[48]|8[14]|99)|5(?:03|15|54|67|9[57])|6(?:2[2-46]|3[35]|4[46]|55|66|77|8[37]|9[47])|7(?:[23]2|4[26]|[68]8|7[127])|8(?:00|1[08]|29|33|44|[57]7|6[67]|8[68]|9[59])|9(?:00|34|9[89]))\\d{4}$" }, "sandbox": { "input": "+14345550123", "valid": true, "type": "Fixed line or mobile", "region": "US", "formats": { "e164": "+14345550123", "international": "+1 434-555-0123", "national": "(434) 555-0123", "rfc3966": "tel:+1-434-555-0123" }, "parts": { "countryCode": "+1", "destinationCode": "434", "destinationKind": "area code", "subscriber": "5550123" } }, "faq": [ { "question": "Where is area code 434?", "answer": "Area code 434 is in Virginia, in the United States: all 532 of its exchanges on record are there. From abroad it is dialled +1 434, then the seven-digit number." }, { "question": "Is a 434 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 532 exchanges on record in 434, 141 (27%) were allocated as mobile, 235 (44%) as fixed line, 134 (25%) as VoIP and 22 (4%) 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 434?", "answer": "37 carriers hold exchanges in 434 on record; the most: Lumen (106), Verizon (104) and AT&T (49). 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 434 phone number?", "answer": "In E.164 a 434 number matches ^\\+1434[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 (434) 555-0123. The exchange patterns on this page narrow it to the exchanges allocated as mobile, fixed line or VoIP." } ], "neighbours": { "sameRegion": [ "us-276", "us-540", "us-571", "us-686", "us-703", "us-757", "us-804", "us-826", "us-948" ], "previous": "us-432", "next": "us-435" }, "meta": { "dataAsOf": "2026-10-25", "dataPoints": 532, "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" } ] } }