437
Area code 437
Ontario, Canada
National (437) 555-0123, E.164 +14375550123
How the 553 central office codes (exchanges) of area code 437 were allocated, from the North American Numbering Plan's records: to which carrier, as which line type. A 437 number is mobile, fixed line or VoIP according to its exchange, the three digits after the area code; the allocation is the original one (below).
At a glance
- Country code
- +1
- Province
- ON
- Exchanges on record
- 553
- Carriers on record
- 13
- Mobile 455 (82%)
- Fixed line 33 (6%)
- VoIP 65 (12%)
- 553 exchanges on record
Most exchanges: Rogers 166, Bell 139, Telus 73.
Check a number
Valid fixed line or mobile number in Canada.
| Country | Canada numbering plan |
|---|---|
| Line type | Fixed line or mobile |
| Carrier the block was allocated to | No carrier on record for this prefix |
| E.164 | +14375550123 |
| International | +1 437-555-0123 |
| National | (437) 555-0123 |
| RFC 3966 | tel:+1-437-555-0123 |
Source: Canadian Numbering Administrator (CNAC); North American Numbering Plan Administrator (NANPA); National numbering plan: Canada (ITU)
The example is 437-555-0123: 555-0100 to 555-0199 are set aside for fictional use in every area code.
The exchange map
One cell per exchange: blocks 437 2xx to 437 9xx; in each block the row is the tens digit, the column the units digit.
- Mobile 455
- Fixed line 33
- VoIP 65
- Not on record 247
Formats and patterns
| E.164 | +14375550123 |
|---|---|
| International | +1 437-555-0123 |
| National | (437) 555-0123 |
| RFC 3966 (tel: URI) | tel:+1-437-555-0123 |
Any 437 number, in E.164
^\+1437[2-9]\d{6}$+1, the area code, a central office code that does not start with 0 or 1, then four digits.
Mobile exchanges (455 on record)
^\+1437(?:2(?:[03478]\d|1[02-9]|2[013-9]|5[0-24-9]|6[0-57-9]|9[7-9])|3(?:[03-59]\d|1[3-689]|2[1-9]|6[0-689]|76|8[013589])|4(?:[02]\d|1[02-57-9]|3[0-689]|4[0135689]|5[0-57]|6[03]|7[37]|8[478]|99)|5(?:0[5-9]|1[02-9]|2[02]|3[35]|4[05]|5[0-36-9]|66|7[57]|8[058]|9[59])|6(?:0[1-8]|16|[28]\d|[34][0-689]|5[0-8]|6[0-357-9]|7[0-3679]|9[689])|7(?:0[78]|17|2[278]|3[347-9]|40|5[578]|66|7\d|8[4-8]|9[79])|8(?:0[1-35-9]|18|2[029]|3[038]|[49][7-9]|5[058]|6[0689]|7[0-35-9]|8[1-35])|9(?:0[78]|2[2589]|3[37]|55|6[0-367]|7[0-479]|[89]\d))\d{4}$Fixed line exchanges (33 on record)
^\+1437(?:2(?:22|53|66|9[4-6])|3(?:1[27]|77)|444|56[1-578]|6(?:66|90)|78[0-3]|8(?:2[68]|36)|91[2-8])\d{4}$VoIP exchanges (65 on record)
^\+1437(?:29[0-3]|3(?:20|67|7[0-589])|4(?:4[27]|6[4-9]|7[0-24-6]|9[34])|5(?:00|2[3-9]|3[0-26-9])|6(?:00|37)|7(?:0[0-3]|47)|8(?:00|[36]7|8[06-9]|9[0-3])|900)\d{4}$The exchange patterns follow the original allocations; a number ported since keeps its digits but not necessarily its carrier or its line type.
Carriers and their exchanges
Every carrier holding exchanges in 437, with the exchanges allocated to it (the three digits after the area code).
| Carrier | Exchanges | Mobile | Fixed line | VoIP | Exchanges held |
|---|---|---|---|---|---|
| Rogers | 166 | 158 | 7 | 1 | 212–221, 223–252, 288, 300–309, 318, 322, 330–333, 335–339, 385, 388, 400–409, 488, 505, 522, 533, 535, 551–553, 558, 575, 577, 595, 616, 655, 668, 676–677, 688, 696, 699, 707, 717, 722, 727, 755, 757, 770–779, 787–788, 801–803, 805–807, 809, 820, 822, 829–830, 833, 855, 860, 866, 869–873, 875–877, 879–883, 885, 898–899, 908, 912–918, 922, 925, 928–929, 980, 990–999 |
| Bell | 139 | 139 | 0 | 0 | 257, 270–287, 289, 297–298, 314–316, 319, 321, 323–329, 334, 364, 368–369, 380–381, 389–399, 412–415, 417–429, 431–433, 439–441, 446, 448–449, 451–455, 506–510, 512–520, 620–636, 638–646, 648–654, 656–658, 670–672, 960–963 |
| Telus | 73 | 62 | 11 | 0 | 200–210, 340–363, 457, 487, 540, 550, 561–565, 567–568, 580, 588, 679–687, 734, 780–786, 797, 847–850, 897, 907, 979 |
| Iristel | 58 | 4 | 0 | 54 | 290–293, 320, 367, 370–375, 378–379, 447, 464–472, 474–476, 493–494, 500, 523–532, 536–539, 600, 637, 700–703, 737–740, 747, 800, 867, 900 |
| Fido | 47 | 47 | 0 | 0 | 299, 366, 556–557, 559, 566, 585, 599, 660–663, 665, 667, 669, 689, 698, 708, 728, 733, 758, 766, 799, 808, 818, 838, 858, 868, 878, 933, 955, 966, 970–974, 977, 981–989 |
| Freedom Mobile | 44 | 44 | 0 | 0 | 254–256, 258–265, 267–269, 313, 365, 376, 383, 410, 430, 434, 436, 438, 443, 445, 450, 460, 463, 473, 477, 484, 499, 545, 601–608, 673, 937, 967 |
| Fibernetics | 10 | 0 | 0 | 10 | 442, 837, 886–893 |
| Zayo | 8 | 0 | 8 | 0 | 253, 294–296, 312, 826, 828, 836 |
| IXICA Communications | 3 | 0 | 3 | 0 | 377, 444, 666 |
| Comwave Networks | 2 | 0 | 2 | 0 | 266, 690 |
| Beanfield Technologies | 1 | 0 | 1 | 0 | 222 |
| Distributel | 1 | 0 | 1 | 0 | 317 |
| Videotron | 1 | 1 | 0 | 0 | 435 |
Questions developers ask
- Where is area code 437?
- Area code 437 is in Ontario, Canada: all 553 of its exchanges on record are there. From abroad it is dialled +1 437, then the seven-digit number.
- Is a 437 number mobile or landline?
- 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 553 exchanges on record in 437, 455 (82%) were allocated as mobile, 33 (6%) as fixed line and 65 (12%) as VoIP. A number can have been ported since, to another carrier and even to another line type.
- Which carriers have numbers in area code 437?
- 13 carriers hold exchanges in 437 on record; the most: Rogers (166), Bell (139) and Telus (73). 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.
- How do I validate a 437 phone number?
- In E.164 a 437 number matches ^\+1437[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 (437) 555-0123. The exchange patterns on this page narrow it to the exchanges allocated as mobile, fixed line or VoIP.