{ "url": "https://phonelookup.dev/prefix/us-313", "npa": "313", "slug": "us-313", "iso": "US", "country": "United States", "regions": [ { "code": "MI", "name": "Michigan", "exchanges": 782 } ], "exchanges": 782, "known": 769, "byLineType": { "fixed_line": 338, "mobile": 346, "unknown": 13, "voip": 85 }, "carriers": [ { "name": "AT&T", "exchanges": 361, "byLineType": { "fixed_line": 262, "mobile": 95, "voip": 4 }, "ranges": [ "202–204", "206", "212", "221–227", "232–235", "237", "240", "244–245", "248–249", "252–253", "255–256", "259", "267", "270–275", "277–278", "291–292", "294–295", "297–299", "302–303", "310", "317–318", "320", "322–324", "330–331", "335–343", "345", "351", "354", "359–361", "365–366", "368–369", "371–373", "375", "381–383", "386–390", "392–394", "396", "401", "404–405", "408–409", "412", "417", "421", "425", "429", "436–439", "441–442", "446", "448", "452", "456", "460", "463", "465", "471–473", "479", "482", "490–491", "493–494", "496", "499", "501", "505–508", "510", "515", "520–521", "526–527", "531–535", "537–539", "541", "543", "545–546", "551", "553–554", "556", "560–568", "571", "576–579", "581–584", "592–594", "596", "599", "602", "605", "607–608", "610", "613", "617", "619", "621", "624", "627–628", "640", "642", "647", "650", "653–657", "659", "664–665", "667", "669", "676", "678", "680–683", "685–687", "689–690", "694", "697", "702", "704", "706", "715", "719", "722", "724", "727", "730", "735", "737–741", "745", "753", "755–756", "758", "760", "764", "770", "772", "774", "778", "780–782", "785–786", "789", "791–792", "794", "799", "801–802", "804", "807–809", "819", "821–826", "831–839", "841–843", "845–846", "849", "852–854", "857", "860–878", "881–886", "890–899", "901–902", "904", "907–908", "914", "916–917", "921–931", "933–935", "937", "941–943", "945", "956–957", "961–967", "970", "972", "974", "977–978", "980", "982–983", "993", "996" ] }, { "name": "T-Mobile", "exchanges": 156, "byLineType": { "mobile": 156 }, "ranges": [ "200", "205", "207–208", "213–215", "218", "220", "229", "231", "247", "257–258", "264–266", "282–283", "287", "289–290", "293", "304", "315", "326–327", "329", "333", "349–350", "352–353", "356", "358", "363", "367", "370", "374", "377", "384", "395", "398–399", "403", "413–415", "419", "423–424", "428", "431", "433", "443", "445", "447", "454–455", "459", "461", "466–468", "475", "477–478", "485", "492", "502", "509", "516", "519", "522–523", "525", "529", "544", "574–575", "585", "587", "589", "595", "598", "603", "615", "622–623", "629", "632–633", "639", "641", "645", "649", "652", "658", "661", "663", "671", "673–675", "695", "699", "707", "712–713", "717–718", "721", "723", "728–729", "734", "742", "744", "747", "750", "752", "759", "762", "767", "773", "775–776", "779", "790", "797", "805", "810", "812", "817–818", "829", "844", "848", "850", "855", "858", "903", "913", "918", "932", "936", "939", "948", "953", "955", "960", "971", "979", "985", "995", "999" ] }, { "name": "Verizon", "exchanges": 79, "byLineType": { "fixed_line": 25, "mobile": 54 }, "ranges": [ "216", "230", "236", "262", "268–269", "286", "296", "300–301", "316", "319", "347–348", "378", "391", "400", "402", "407", "410", "416", "418", "422", "434", "449–450", "457", "480", "495", "498", "500", "530", "549–550", "557", "569–570", "573", "580", "588", "590", "597", "600", "614", "618", "643", "648", "651", "670", "701", "716", "720", "725", "731–733", "736", "743", "748–749", "766", "768", "798", "806", "815", "820", "847", "909–910", "912", "915", "919–920", "938", "949", "952", "969", "986", "989" ] }, { "name": "Bandwidth.com", "exchanges": 28, "byLineType": { "voip": 28 }, "ranges": [ "217", "246", "261", "284", "306", "314", "355", "364", "380", "426", "451", "470", "474", "489", "497", "536", "542", "548", "558", "591", "626", "636", "644", "751", "757", "771", "856", "889" ] }, { "name": "Onvoy", "exchanges": 25, "byLineType": { "voip": 25 }, "ranges": [ "241", "251", "285", "307", "427", "435", "462", "504", "513–514", "518", "528", "572", "612", "631", "634", "666", "698", "703", "763", "777", "800", "830", "888", "998" ] }, { "name": "American Messaging", "exchanges": 24, "byLineType": { "mobile": 24 }, "ranges": [ "201", "260", "325", "430", "503", "601", "606", "609", "660", "684", "691", "705", "709", "714", "754", "793", "795–796", "803", "813–814", "840", "851", "990" ] }, { "name": "Lumen", "exchanges": 22, "byLineType": { "fixed_line": 22 }, "ranges": [ "228", "254", "263", "279", "281", "332", "334", "344", "346", "432", "483–484", "486", "512", "559", "586", "662", "769", "828", "859", "879", "887" ] }, { "name": "Paetec Itel", "exchanges": 15, "byLineType": { "fixed_line": 15 }, "ranges": [ "242–243", "288", "305", "308–309", "312", "357", "362", "420", "444", "458", "487", "637", "827" ] }, { "name": "USA Mobility", "exchanges": 13, "byLineType": { "mobile": 13 }, "ranges": [ "219", "238–239", "250", "276", "280", "321", "328", "376", "440", "630", "940", "958" ] }, { "name": "Comcast", "exchanges": 8, "byLineType": { "voip": 8 }, "ranges": [ "397", "406", "469", "635", "638", "646", "693", "784" ] }, { "name": "Telnet Worldwide", "exchanges": 6, "byLineType": { "fixed_line": 6 }, "ranges": [ "453", "481", "625", "668", "672", "692" ] }, { "name": "Fractel", "exchanges": 5, "byLineType": { "voip": 5 }, "ranges": [ "677", "688", "900", "944", "946" ] }, { "name": "Peerless Network", "exchanges": 4, "byLineType": { "voip": 4 }, "ranges": [ "209", "765", "788", "992" ] }, { "name": "Emergency Networks", "exchanges": 3, "byLineType": { "mobile": 3 }, "ranges": [ "708", "710", "787" ] }, { "name": "Five9", "exchanges": 2, "byLineType": { "fixed_line": 2 }, "ranges": [ "210", "761" ] }, { "name": "HD Carrier", "exchanges": 2, "byLineType": { "voip": 2 }, "ranges": [ "547", "552" ] }, { "name": "Ton80 Communications", "exchanges": 2, "byLineType": { "voip": 2 }, "ranges": [ "726", "746" ] }, { "name": "Ahoi", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "313" ] }, { "name": "Airus Inc", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "816" ] }, { "name": "Brightlink Communications", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "385" ] }, { "name": "COMMIO LLC", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "488" ] }, { "name": "Clear Rate Communications", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "379" ] }, { "name": "Dish Wireless", "exchanges": 1, "byLineType": { "mobile": 1 }, "ranges": [ "620" ] }, { "name": "Exiant", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "464" ] }, { "name": "IP Horizon", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "476" ] }, { "name": "Leap Telecom", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "604" ] }, { "name": "Nuso", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "696" ] }, { "name": "Skyetel", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "524" ] }, { "name": "Voip Street", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "880" ] }, { "name": "Vonage", "exchanges": 1, "byLineType": { "voip": 1 }, "ranges": [ "540" ] }, { "name": "Wavenation", "exchanges": 1, "byLineType": { "fixed_line": 1 }, "ranges": [ "616" ] } ], "grid": "mmffmmfmmvfummmmfvmmmffffffffmfmffffmfmmfvffmfvmffmvfffffmmfmvffmmmfmmffffffmfffmfmmvvfmfmmffmffmfffmmfmmfvvffmuffvmmfmmmmfffmmmmmmffmfffffmffffffffmmmfmmmvmfmffffmvffmffmfffmfmmmfvfffmvfffffmfffmfvmmmmmmmmvmmmmummmmffmmfmfmmfvvmfmmfmmvfffmmffmfmfmfffvmfmmfffmmmvfvfmmmvvfvfvmvmmmmffffmffvvffmffmfvmfmmmmvmmffmmufvvmm-vmmfmmvmffvmmfffffvffmvfvfmffvvmmfvffuffvffffffffffmmfvmmmffffmffffmfmmmmvfffmfmmfmmfmfmmmmmmuvmmmfmmfmfmmffvmfmmvmmvvvfvmfmfmvmvfmmmfmfmmfmmfmmfmffvffmmmfmmmmvf-mmmmmmmmvmmmfvvmfmvmummvmmmmmmmummmmmmmmmmfmffvmmmffffmmfmmfvmmfmfvmffmvmmmffvfmffmvmvfmffmvfmfmmvfmfmf-vmfmvvmffmfmmmmmvmmmmmmmmmmummmmfmmmmffffffffmvfffffffffmfffmffmmfmmfmmmvmmfmfffffffffffffffffmfvfffffffvvmfffffffffvmmmm--mmmmummmffmmmmffffffffmmfmfffmfmmmmmfvfv-mmu-fm-mffmumfffffff-mmmf-f-ummmm-ff-mm--fm-vf-mf-vm", "patterns": { "all": "^\\+1313[2-9]\\d{6}$", "fixed_line": "^\\+1313(?:2(?:0[236]|1[06]|2[1-8]|3[02-57]|4[023589]|5[2-69]|6[237]|7[0-57-9]|8[168]|9[12457-9])|3(?:0[2589]|1[237]|2[2-4]|3[124-8]|4[0-7]|5[179]|6[0-25689]|7[1-359]|8[1-36-9]|9[02-46])|4(?:1[67]|2[0259]|3[26-8]|4[124689]|5[036-8]|6[35]|7[13]|8[1-467]|9[013469])|5(?:0[78]|12|2[167]|3[1-578]|4[1356]|5[134679]|6[0-8]|7[16-9]|8[1-46]|9[2-469])|6(?:0[24]|1[69]|2[1458]|37|4[027]|5[1369]|6[24578]|7[28]|9[26])|7(?:2[245]|3[0-369]|4[3589]|5[568]|6[01689]|7[248]|8[026]|9[124])|8(?:16|2[1-8]|[369][1-9]|4[1-3569]|5[29]|7[0-79]|8[1-7])|9(?:1[56]|2[1-8]|3[13-57]|4[35]|5[267]|6[1-7]|7[24]|8[239]|9[36]))\\d{4}$", "mobile": "^\\+1313(?:2(?:0[014578]|1[2-589]|2[09]|3[1689]|4[47]|5[078]|6[04-689]|76|8[02379]|9[036])|3(?:0[0134]|1[05689]|2[015-9]|3[039]|4[89]|5[02-468]|6[37]|7[046-8]|84|9[1589])|4(?:0[0-57-9]|1[02-589]|2[1348]|3[01349]|4[0357]|5[2459]|6[016-8]|7[57-9]|8[05]|9[258])|5(?:0[0-3569]|1[0569]|2[02359]|3[09]|4[49]|50|69|7[03-5]|8[057-9]|9[0578])|6(?:0[0135-9]|1[03-578]|2[02379]|3[0239]|4[13589]|5[024578]|6[0139]|7[013-6]|8[0-79]|9[01579])|7(?:0[124-9]|1[02-9]|2[0137-9]|3[4578]|4[1247]|5[02-49]|6[247]|7[03569]|8[157]|9[035-9])|8(?:0[1-9]|1[02-57-9]|2[09]|4[0478]|5[013-578]|[69]0|78)|9(?:0[1-47-9]|1[02-47-9]|[26][09]|3[02689]|4[0-289]|5[358]|7[017-9]|8[056]|9[059]))\\d{4}$", "voip": "^\\+1313(?:2(?:09|17|4[16]|[56]1|8[45])|3(?:0[67]|[16]4|55|8[05]|97)|4(?:06|2[67]|35|51|6[249]|7[0246]|8[89]|97)|5(?:04|1[348]|2[48]|36|4[0278]|5[28]|72|91)|6(?:12|[26]6|3[14-68]|4[46]|77|88|9[348])|7(?:03|26|4[06]|[57][17]|6[35]|8[489])|8(?:[03]0|56|8[089])|9(?:00|4[46]|9[28]))\\d{4}$" }, "sandbox": { "input": "+13135550123", "valid": true, "type": "Fixed line or mobile", "region": "US", "formats": { "e164": "+13135550123", "international": "+1 313-555-0123", "national": "(313) 555-0123", "rfc3966": "tel:+1-313-555-0123" }, "parts": { "countryCode": "+1", "destinationCode": "313", "destinationKind": "area code", "subscriber": "5550123" } }, "faq": [ { "question": "Where is area code 313?", "answer": "Area code 313 is in Michigan, in the United States: all 782 of its exchanges on record are there. From abroad it is dialled +1 313, then the seven-digit number." }, { "question": "Is a 313 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 782 exchanges on record in 313, 346 (44%) were allocated as mobile, 338 (43%) as fixed line, 85 (11%) as VoIP and 13 (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 313?", "answer": "31 carriers hold exchanges in 313 on record; the most: AT&T (361), T-Mobile (156) and Verizon (79). 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 313 phone number?", "answer": "In E.164 a 313 number matches ^\\+1313[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 (313) 555-0123. The exchange patterns on this page narrow it to the exchanges allocated as mobile, fixed line or VoIP." } ], "neighbours": { "sameRegion": [ "us-231", "us-248", "us-269", "us-517", "us-586", "us-616", "us-734", "us-810", "us-906", "us-947", "us-989" ], "previous": "us-312", "next": "us-314" }, "meta": { "dataAsOf": "2026-10-25", "dataPoints": 782, "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" } ] } }