{ "url": "https://phonelookup.dev/prefix/ca-579", "npa": "579", "slug": "ca-579", "iso": "CA", "country": "Canada", "regions": [ { "code": "QC", "name": "Quebec", "exchanges": 645 } ], "exchanges": 645, "known": 645, "byLineType": { "fixed_line": 431, "mobile": 45, "voip": 169 }, "carriers": [ { "name": "Telus", "exchanges": 137, "byLineType": { "fixed_line": 122, "mobile": 15 }, "ranges": [ "200–210", "212–254", "256", "265", "281–287", "289–299", "301", "367", "376", "483–484", "488–492", "512", "549", "552–554", "557–558", "575", "581–583", "593–595", "733–734", "764–766", "820–826", "830–837", "839–847", "849–850", "852–856", "888", "962", "985" ] }, { "name": "Fibernetics", "exchanges": 103, "byLineType": { "voip": 103 }, "ranges": [ "279", "333", "349–352", "377–382", "392", "412–419", "455–468", "493–498", "504–507", "513–519", "521–524", "527", "561–563", "570–573", "576", "578", "622–623", "674–683", "715–717", "779", "874–875", "880–887", "893–897", "932–933", "979–982" ] }, { "name": "Videotron", "exchanges": 72, "byLineType": { "fixed_line": 57, "mobile": 15 }, "ranges": [ "280", "357–366", "368–375", "394", "420–423", "430–436", "438", "440–441", "528–538", "559", "630–645", "720–723", "730", "930", "934", "957", "960–961" ] }, { "name": "Iristel", "exchanges": 66, "byLineType": { "voip": 66 }, "ranges": [ "300", "302", "400–401", "485–486", "500–503", "509", "539", "550", "568–569", "586", "589", "600", "689", "700", "702", "759", "778", "790–796", "798", "800–807", "809", "827", "829", "899", "900", "914", "944", "965", "972", "974–975", "977–978", "984", "986–988", "990–999" ] }, { "name": "Distributel", "exchanges": 56, "byLineType": { "fixed_line": 56 }, "ranges": [ "303–309", "312–329", "338–342", "344–347", "402–410", "901–910", "912–913", "915" ] }, { "name": "ISP Telecom", "exchanges": 50, "byLineType": { "fixed_line": 50 }, "ranges": [ "258–264", "330–332", "334", "336", "343", "383–391", "395–397", "469–481", "551", "565–567", "701", "768–769", "817", "889–892" ] }, { "name": "Comwave Networks", "exchanges": 44, "byLineType": { "fixed_line": 44 }, "ranges": [ "266–272", "277–278", "288", "737–741", "786–789", "797", "799", "808", "818", "828", "838", "858–859", "869", "919–929", "939–940", "949", "969", "989" ] }, { "name": "Cooptel", "exchanges": 37, "byLineType": { "fixed_line": 37 }, "ranges": [ "335", "355", "393", "398", "424–429", "437", "439", "442–449", "451–454", "482", "508", "540–548", "556", "574" ] }, { "name": "Bell", "exchanges": 28, "byLineType": { "fixed_line": 21, "mobile": 7 }, "ranges": [ "255", "257", "276", "337", "348", "353", "525–526", "601–609", "612–621", "655" ] }, { "name": "IXICA Communications", "exchanges": 26, "byLineType": { "fixed_line": 26 }, "ranges": [ "399", "510", "520", "560", "577", "580", "590", "599", "699", "707", "709–710", "744", "750", "755", "770–775", "777", "780–783" ] }, { "name": "Rogers", "exchanges": 8, "byLineType": { "fixed_line": 5, "mobile": 3 }, "ranges": [ "684", "688", "872", "876–879", "955" ] }, { "name": "InnSysVoice", "exchanges": 6, "byLineType": { "fixed_line": 6 }, "ranges": [ "660–664", "666" ] }, { "name": "Fido", "exchanges": 5, "byLineType": { "mobile": 5 }, "ranges": [ "860", "862–865" ] }, { "name": "Telebec", "exchanges": 3, "byLineType": { "fixed_line": 3 }, "ranges": [ "499", "757", "848" ] }, { "name": "9164-3122 Quebec", "exchanges": 2, "byLineType": { "fixed_line": 2 }, "ranges": [ "356", "564" ] }, { "name": "Zayo", "exchanges": 2, "byLineType": { "fixed_line": 2 }, "ranges": [ "274–275" ] } ], "grid": "fffffffffff-fffffffffffffffffffffffffffffffffffffffffffmfffffffffffffffff-ffmffvffffffffffffffffffffvfvfffffff--fffffffffffffffffffffvfffmffffffffffmvvvvm-ffffffmffffmfmmfmmmfffvvvvvvfffffffffvfffffffvvfffffffff-vvvvvvvvmmfmffffffffffffffffffffffffff-ffffvvvvvvvvvvvvvvffffffffffffffmmvv-mmmmmvvvvvvfvvvvvvvvfvf-fvvvvvvvfvvvvmfvfffffffffffvffffffffffvffff-fffmfvvvffffvvvvvvffvfv-ffff--v--vf--mmm---fvfffffffff--ffffffffffvv------ffffffffffffffff---------m----fffff-f-------vvvvvvvvvvm---mv---------fvfv----f-ff----vvv--ffff------m--ff--fffff--f-----f----f-f-v----mmm-ffffffff-fvvffff--ffffvvvvvvvfvfvvvvvvvvfv-------ff-fffffffvfvfffffffffffffffffffff-fffff-ffm-mmmm---f--f-vvffffvvvvvvvvmffffvvvvv-vvffffffffff-ffvf---ffffffffffff-vvf----ff---v----f-----m-m--mmf--v---f--v-vv-vvvvvv-vmvvvfvvvvvvvvvv", "patterns": { "all": "^\\+1579[2-9]\\d{6}$", "fixed_line": "^\\+1579(?:2(?:[02-4689]\\d|1[02-9]|5[0-46-9]|7[0-24578])|3(?:0[13-9]|1[2-9]|2\\d|3[0-24-689]|4[0-7]|5[5-9]|6[02-57]|7[04-6]|8[3-9]|9[013-9])|4(?:0[2-9]|10|2[24-9]|[347]\\d|5[1-4]|[69]9|8[0-2])|5(?:08|1[02]|2[0689]|3[0-8]|4\\d|5[1-46-8]|6[04-7]|7[457]|8[0-3]|9[09])|6(?:0[1-9]|1[2-9]|2[01]|3\\d|4[0-5]|6[0-46]|99)|7(?:0[179]|10|2[0-3]|3[347-9]|4[014]|5[057]|6[89]|7[0-57]|8[0-36-9]|9[79])|8(?:08|1[78]|2[0-68]|[34]\\d|5[02-689]|[68]9|7[26-9]|9[0-2])|9(?:0[1-9]|1[02359]|2\\d|3[049]|4[09]|6[29]|89))\\d{4}$", "mobile": "^\\+1579(?:2(?:55|76)|3(?:37|48|53|6[1689]|7[1-3])|4(?:2[013]|8[3489]|9[0-2])|5(?:25|59|9[3-5])|6(?:55|8[48])|7(?:30|6[4-6])|8(?:6[02-5]|88)|9(?:5[57]|6[01]|85))\\d{4}$", "voip": "^\\+1579(?:279|3(?:0[02]|33|49|[58][0-2]|7[7-9]|92)|4(?:0[01]|1[2-9]|5[5-9]|6[0-8]|8[56]|9[3-8])|5(?:0[0-79]|1[3-9]|2[1-47]|39|50|6[1-389]|7[0-368]|8[69])|6(?:00|2[23]|7[4-9]|8[0-39])|7(?:0[02]|1[5-7]|59|7[89]|9[0-68])|8(?:0[0-79]|2[79]|7[45]|8[0-7]|9[3-79])|9(?:00|[14]4|3[23]|65|7[2457-9]|8[0-246-8]|9\\d))\\d{4}$" }, "sandbox": { "input": "+15795550123", "valid": true, "type": "Fixed line or mobile", "region": "CA", "formats": { "e164": "+15795550123", "international": "+1 579-555-0123", "national": "(579) 555-0123", "rfc3966": "tel:+1-579-555-0123" }, "parts": { "countryCode": "+1", "destinationCode": "579", "destinationKind": "area code", "subscriber": "5550123" } }, "faq": [ { "question": "Where is area code 579?", "answer": "Area code 579 is in Quebec, Canada: all 645 of its exchanges on record are there. From abroad it is dialled +1 579, then the seven-digit number." }, { "question": "Is a 579 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 645 exchanges on record in 579, 45 (7%) were allocated as mobile, 431 (67%) as fixed line and 169 (26%) as VoIP. A number can have been ported since, to another carrier and even to another line type." }, { "question": "Which carriers have numbers in area code 579?", "answer": "16 carriers hold exchanges in 579 on record; the most: Telus (137), Fibernetics (103) and Videotron (72). 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 579 phone number?", "answer": "In E.164 a 579 number matches ^\\+1579[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 (579) 555-0123. The exchange patterns on this page narrow it to the exchanges allocated as mobile, fixed line or VoIP." } ], "neighbours": { "sameRegion": [ "ca-263", "ca-354", "ca-367", "ca-418", "ca-438", "ca-450", "ca-468", "ca-514", "ca-581", "ca-819", "ca-873" ], "previous": "us-575", "next": "us-580" }, "meta": { "dataAsOf": "2026-10-25", "dataPoints": 645, "references": [ { "authority": "CNAC", "title": "Canadian Numbering Administrator", "url": "https://www.cnac.ca/" }, { "authority": "NANPA", "title": "North American Numbering Plan Administrator", "url": "https://nanpa.com/" }, { "authority": "ITU", "title": "National numbering plan: Canada", "url": "https://www.itu.int/oth/T0202000025/en" } ] } }