{ "url": "https://phonelookup.dev/prefix/us-971", "npa": "971", "slug": "us-971", "iso": "US", "country": "United States", "regions": [ { "code": "OR", "name": "Oregon", "exchanges": 457 } ], "exchanges": 457, "known": 442, "byLineType": { "fixed_line": 81, "mobile": 195, "unknown": 15, "voip": 166 }, "carriers": [ { "name": "T-Mobile", "exchanges": 71, "byLineType": { "mobile": 71 }, "ranges": [ "207", "212", "217–218", "225–226", "246", "253", "255", "259", "268", "275", "287", "292", "302", "312", "320", "325", "331", "335–336", "340–341", "353–354", "363", "387", "389", "395–396", "398", "401", "407–408", "417", "419", "425", "427–428", "430", "432", "443", "447", "452", "456", "459", "468", "474–477", "479–480", "486–488", "490", "495", "500", "506", "517", "523", "533", "563", "570", "706", "716", "718", "732", "864", "997" ] }, { "name": "AT&T", "exchanges": 68, "byLineType": { "fixed_line": 4, "mobile": 64 }, "ranges": [ "203", "208–209", "237", "240", "258", "263", "272–273", "276", "290", "293–294", "297", "303–304", "309–310", "329", "338", "344", "348–349", "356", "359", "368", "370", "388", "414", "434", "437", "440", "448", "450", "453–454", "467", "478", "481", "485", "491–492", "494", "499", "502", "504–505", "507–508", "515–516", "519", "524", "530–531", "540", "542", "547–548", "550", "715", "720", "770", "772", "801", "832", "985", "998" ] }, { "name": "Verizon", "exchanges": 66, "byLineType": { "fixed_line": 14, "mobile": 52 }, "ranges": [ "200–201", "214–215", "219", "221", "223", "227–228", "235", "241", "244", "249–250", "267", "271", "277–278", "280", "283–284", "286", "291", "300", "314", "322", "326–327", "330", "332", "334", "355", "372", "375", "400", "404", "409", "412", "421", "429", "435", "442", "446", "455", "461", "469", "473", "509–510", "518", "549", "601", "606", "678", "707", "713", "719", "724", "757", "803–804", "806", "813", "865", "925", "930" ] }, { "name": "Onvoy", "exchanges": 56, "byLineType": { "voip": 56 }, "ranges": [ "202", "229", "281", "298", "301", "307", "319", "339", "350–351", "364–367", "377", "390–391", "444–445", "451", "457", "462–464", "471", "484", "496–498", "501", "512–513", "521–522", "525–527", "535", "537–539", "543", "546", "571", "610", "634", "666", "671", "771", "777", "791", "888", "917", "971", "978", "999" ] }, { "name": "Bandwidth.com", "exchanges": 42, "byLineType": { "voip": 42 }, "ranges": [ "220", "231", "251", "254", "260–261", "264", "270", "299", "308", "323", "328", "333", "343", "357–358", "374", "376", "385", "402–403", "405–406", "415–416", "418", "422", "424", "431", "433", "438", "441", "470", "493", "600", "612", "708", "762", "800", "808", "901", "979" ] }, { "name": "Lumen", "exchanges": 29, "byLineType": { "fixed_line": 24, "voip": 5 }, "ranges": [ "232", "238–239", "242", "248", "252", "262", "266", "274", "282", "285", "313", "315–316", "318", "321", "413", "426", "544", "599", "645", "673", "701", "712", "722", "754", "802", "915", "940" ] }, { "name": "Integra Telecom", "exchanges": 14, "byLineType": { "fixed_line": 14 }, "ranges": [ "204–206", "213", "216", "222", "224", "234", "236", "352", "361", "371", "545", "717" ] }, { "name": "Ton80 Communications", "exchanges": 13, "byLineType": { "voip": 13 }, "ranges": [ "466", "588", "626", "668", "677", "688", "746", "766", "788", "818", "825", "837", "966" ] }, { "name": "Comcast", "exchanges": 10, "byLineType": { "voip": 10 }, "ranges": [ "243", "305", "317", "346", "360", "373", "383–384", "386", "727" ] }, { "name": "Fractel", "exchanges": 7, "byLineType": { "voip": 7 }, "ranges": [ "465", "529", "667", "758", "842", "946", "977" ] }, { "name": "Millicorp", "exchanges": 6, "byLineType": { "voip": 6 }, "ranges": [ "399", "799", "899", "900", "988", "990" ] }, { "name": "Peerless Network", "exchanges": 6, "byLineType": { "voip": 6 }, "ranges": [ "256", "289", "342", "514", "703–704" ] }, { "name": "Emergency Networks", "exchanges": 5, "byLineType": { "mobile": 5 }, "ranges": [ "460", "534", "710", "910", "970" ] }, { "name": "Paetec Itel", "exchanges": 5, "byLineType": { "fixed_line": 5 }, "ranges": [ "230", "233", "245", "295", "369" ] }, { "name": "COMMIO LLC", "exchanges": 4, "byLineType": { "voip": 4 }, "ranges": [ "436", "482–483", "867" ] }, { "name": "Spectrum", "exchanges": 4, "byLineType": { "fixed_line": 4 }, "ranges": [ "257", "265", "306", "324" ] }, { "name": "Eltopia Communications", "exchanges": 3, "byLineType": { "fixed_line": 3 }, "ranges": [ "210", "269", "812" ] }, { "name": "TELNYX", "exchanges": 3, "byLineType": { "voip": 3 }, "ranges": [ "247", "288", "397" ] }, { "name": "Vonage", "exchanges": 3, "byLineType": { "voip": 3 }, "ranges": [ "381–382", "420" ] }, { "name": "Brightlink Communications", "exchanges": 2, "byLineType": { "mobile": 1, "voip": 1 }, "ranges": [ "347", "378" ] }, { "name": "Nuso", "exchanges": 2, "byLineType": { "fixed_line": 2 }, "ranges": [ "439", "449" ] }, { "name": "Skyetel", "exchanges": 2, "byLineType": { "voip": 2 }, "ranges": [ "393", "410" ] }, { "name": "Twilio International", "exchanges": 2, "byLineType": { "voip": 2 }, "ranges": [ "423", "895" ] }, { "name": "Access2Go", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "392" ] }, { "name": "Ahoi", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "587" ] }, { "name": "Airespring", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "345" ] }, { "name": "Astound Broadband", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "296" ] }, { "name": "CSC Wireless LLC", "exchanges": 1, "byLineType": { "mobile": 1 }, "ranges": [ "380" ] }, { "name": "Callworks Corporation", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "489" ] }, { "name": "Data Vision Communications", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "983" ] }, { "name": "Exiant", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "362" ] }, { "name": "Five9", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "472" ] }, { "name": "HD Carrier", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "379" ] }, { "name": "Hunter Communications", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "337" ] }, { "name": "IP Horizon", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "394" ] }, { "name": "Leap Telecom", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "520" ] }, { "name": "MBC Telecom", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "279" ] }, { "name": "Next Gen Phone Systems", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "458" ] }, { "name": "Shelltel", "exchanges": 1, "byLineType": { "mobile": 1 }, "ranges": [ "536" ] }, { "name": "Tpx Communications", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "532" ] }, { "name": "Wavenation", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "528" ] }, { "name": "Wide Voice", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "871" ] } ], "grid": "fmvmfffmmmfumffffmmmvmfffmmmmvfvfffmfmffmmfvffmvfffvfmvmvfmmvvfmvffmmfvmmmvmmmmfmvfmmfmmvvmmmmmffmvvfvmmmvfvvffumfffvvvvmfmvfmmfvmmmmvmmmfmvmmvvmvvmmmvvfmmfmvvmvfvmvvvvmfffmvvmvvvvmvvvvvvmmmvvvvvmmvmvmmvvfvvmmmvumfmvvmvmvmvvvmfmmmmvmvmmvmvfmvmmvvmmmfmvmmmmmvfmmmvvvvvfmmvvffmmmmmmmmvvvmmmmvmmmvmmvvvmmvm-mmmmmmmuvvvmmmmmfvvmmvvvfvmmfmmvmvvvm-mvffvmmmm----u-------m------mv-----------u---fv----------fvm----m---vuv-------------v-------v----------f--------------------vvv--v-f---vm---------v-----------uf-vv-mmv-mufm-mmfmmm-f-m--v----m-------------v-------f--mv---v---v---mvm----v----------v--v-------vvmvmm-m-v--ufm----v------v------m----v----v---------------------mm-v---f----------------v------v---vvv--------mu---f-v-------f----m---------v-----v---u-------uu------v---mv----uvvv---f-m--v-v------mmv", "patterns": { "all": "^\\+1971[2-9]\\d{6}$", "fixed_line": "^\\+1971(?:2(?:0[04-6]|1[03-6]|2[2-4]|3[02-4689]|4[24589]|5[027]|6[2569]|79|8[25]|9[56])|3(?:0[069]|1[03-5]|2[147]|37|5[25]|6[19]|7[01])|4(?:04|13|26|[34]9|58|67|7[23])|5(?:2[08]|32|4[45]|87|99)|6(?:45|73)|7(?:01|1[27]|22|54)|8(?:12|71)|9(?:[12]5|83))\\d{4}$", "mobile": "^\\+1971(?:2(?:0[137-9]|1[27-9]|2[15-8]|3[57]|4[016]|5[3589]|6[378]|7[1-35-8]|8[03467]|9[0-47])|3(?:0[2-4]|12|2[02569]|3[0-24-68]|4[0147-9]|5[3469]|6[38]|7[25]|8[07-9]|9[568])|4(?:0[017-9]|1[2479]|2[157-9]|3[02457]|4[0236-8]|5[02-69]|6[0189]|7[4-9]|8[015-8]|9[0-2459])|5(?:0[024-9]|1[05-9]|2[34]|3[01346]|4[027-9]|[57]0|63)|6(?:0[16]|78)|7(?:0[67]|1[035689]|2[04]|32|57|7[02])|8(?:0[1346]|13|32|6[45])|9(?:[137]0|85|9[78]))\\d{4}$", "voip": "^\\+1971(?:2(?:02|2[09]|31|4[37]|5[146]|6[014]|7[04]|8[189]|9[89])|3(?:0[1578]|1[6-9]|2[38]|3[39]|4[2356]|5[0178]|6[024-7]|7[346-9]|8[1-6]|9[0-479])|4(?:0[2356]|1[0568]|2[02-4]|3[1368]|4[145]|5[17]|6[2-6]|7[01]|8[2-49]|9[36-8])|5(?:[07]1|1[2-4]|2[125-79]|3[57-9]|4[36]|88)|6(?:00|1[02]|26|34|6[6-8]|7[17]|88)|7(?:0[348]|27|46|[58]8|6[26]|7[17]|9[19])|8(?:0[028]|[18]8|25|[36]7|42|9[59])|9(?:0[01]|17|4[06]|66|7[17-9]|88|9[09]))\\d{4}$" }, "sandbox": { "input": "+19715550123", "valid": true, "type": "Fixed line or mobile", "region": "US", "formats": { "e164": "+19715550123", "international": "+1 971-555-0123", "national": "(971) 555-0123", "rfc3966": "tel:+1-971-555-0123" }, "parts": { "countryCode": "+1", "destinationCode": "971", "destinationKind": "area code", "subscriber": "5550123" } }, "faq": [ { "question": "Where is area code 971?", "answer": "Area code 971 is in Oregon, in the United States: all 457 of its exchanges on record are there. From abroad it is dialled +1 971, then the seven-digit number." }, { "question": "Is a 971 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 457 exchanges on record in 971, 195 (43%) were allocated as mobile, 81 (18%) as fixed line, 166 (36%) as VoIP and 15 (3%) 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 971?", "answer": "42 carriers hold exchanges in 971 on record; the most: T-Mobile (71), AT&T (68) and Verizon (66). 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 971 phone number?", "answer": "In E.164 a 971 number matches ^\\+1971[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 (971) 555-0123. The exchange patterns on this page narrow it to the exchanges allocated as mobile, fixed line or VoIP." } ], "neighbours": { "sameRegion": [ "us-458", "us-503", "us-541" ], "previous": "us-970", "next": "us-972" }, "meta": { "dataAsOf": "2026-10-25", "dataPoints": 457, "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" } ] } }