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Home / Carriers / ISP Telecom

ISP Telecom

Operating Company Number (OCN): 4727

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Is this carrier legit?

Carriers are telecom operating companies that own number blocks (NPA-NXX). A number showing this carrier does not guarantee the caller is that company — scam calls can spoof caller ID.

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Number blocks (sample)

StateNPANXXRate centerOpen
CD 226 473 Preston Prefix
CD 226 474 Galt Prefix
CD 226 475 Hespeler Prefix
CD 226 476 Kitchener-Waterloo Prefix
CD 226 477 Amherstburg Prefix
CD 226 478 Belle River Prefix
CD 226 479 Essex Prefix
CD 226 480 Harrow Prefix
CD 226 481 Maidstone Prefix
CD 226 482 McGregor Prefix
CD 226 483 Stoney Point Prefix
CD 226 484 Wheatley Prefix
CD 226 485 Woodslee Prefix
CD 226 486 Guelph Prefix
CD 226 493 Brantford Prefix
CD 226 494 Chatham Prefix
CD 289 297 Port Credit Prefix
CD 289 298 Brampton Prefix
CD 289 299 Clarkson Prefix
CD 289 424 Binbrook Prefix
CD 289 425 Mount Hope Prefix
CD 289 426 Hamilton Prefix
CD 289 427 Burlington Prefix
CD 289 428 Georgetown Prefix
CD 289 429 Milton Prefix
CD 289 430 Oakville Prefix
CD 289 431 Waterdown Prefix
CD 289 435 Cobourg Prefix
CD 289 436 Port Hope Prefix
CD 289 444 Cooksville Prefix
CD 289 445 Ancaster Prefix
CD 289 446 Dundas Prefix
CD 289 447 Grimsby Prefix
CD 289 448 Stoney Creek Prefix
CD 289 463 Nobleton Prefix
CD 289 464 Bradford Prefix
CD 289 465 Mount Albert Prefix
CD 289 466 Aurora Prefix
CD 289 467 King City Prefix
CD 289 468 Maple Prefix
CD 289 469 Markham Prefix
CD 289 470 Newmarket Prefix
CD 289 471 Oak Ridges Prefix
CD 289 472 Thornhill Prefix
CD 289 473 Unionville Prefix
CD 289 474 Woodbridge Prefix
CD 289 475 Richmond Hill Prefix
CD 289 476 Fort Erie Prefix
CD 289 477 Niagara Falls Prefix
CD 289 478 Port Colborne Prefix
CD 289 479 St. Catharines-Thorold Prefix
CD 289 480 Welland Prefix
CD 289 481 Oshawa Prefix
CD 289 482 Ajax-Pickering Prefix
CD 289 483 Whitby Prefix
CD 289 484 South Pickering Prefix
CD 289 485 Port Perry Prefix
CD 289 487 Bolton Prefix
CD 289 548 Malton Prefix
CD 289 852 Uxbridge Prefix
CD 289 999 Streetsville Prefix
CD 343 471 Tweed Prefix
CD 343 472 Madoc Prefix
CD 343 473 Vankleek Hill Prefix
CD 343 474 Alexandria Prefix
CD 343 475 Cornwall Prefix
CD 343 476 Bancroft Prefix
CD 343 477 Kingston Prefix
CD 343 478 Napanee Prefix
CD 343 479 Gananoque Prefix
CD 343 480 Brockville Prefix
CD 343 481 Iroquois Prefix
CD 343 482 Williamsburg Prefix
CD 343 483 Morrisburg Prefix
CD 403 694 Lethbridge Prefix
CD 403 712 Medicine Hat Prefix
CD 403 713 Red Deer Prefix
CD 403 744 Calgary Prefix
CD 416 548 Toronto Prefix
CD 418 476 Quebec Prefix
CD 431 478 Winnipeg Prefix
CD 438 476 Montreal Prefix
CD 438 477 Montreal Prefix
CD 438 478 Montreal Prefix
CD 438 479 Montreal Prefix
CD 450 238 Chomedey Prefix
CD 450 239 Laval-Est Prefix
CD 450 241 Laval-Ouest Prefix
CD 450 249 Sorel Prefix
CD 450 254 Ste-Rose Prefix
CD 450 255 St-Vincent-de-Paul Prefix
CD 450 256 Pont-Viau Prefix
CD 450 259 St-Lambert Prefix
CD 450 262 Beloeil Prefix
CD 450 274 Boucherville Prefix
CD 450 279 Chambly Prefix
CD 450 282 Laprairie Prefix
CD 450 283 St-Bruno Prefix
CD 450 285 Varennes Prefix
CD 450 286 Longueuil Prefix
CD 450 287 Chateauguay Prefix
CD 450 289 Beauharnois Prefix
CD 450 290 St-Constant Prefix
CD 450 301 St-Remi Prefix
CD 450 305 Granby Prefix
CD 450 306 Cowansville Prefix
CD 450 309 Hudson Prefix
CD 450 312 Terrebonne Prefix
CD 450 313 Mascouche Prefix
CD 450 316 Coteau-du-Lac Prefix
CD 450 317 Les Cedres Prefix
CD 450 318 Rigaud Prefix
CD 450 319 Vaudreuil Prefix
CD 450 322 Valleyfield Prefix
CD 450 323 St-Eustache Prefix
CD 450 324 Ste-Julie-de-Vercheres Prefix
CD 450 327 St-Jerome Prefix
CD 450 386 Joliette Prefix
CD 450 391 Ste-Marthe Prefix
CD 450 519 Ste-Martine Prefix
CD 450 520 St-Chrysostome Prefix
CD 450 529 St-Jean Prefix
CD 450 554 Farnham Prefix
CD 450 570 Napierville Prefix
CD 450 590 Bedford Prefix
CD 450 604 Lacolle Prefix
CD 450 605 Riviere-Beaudette Prefix
CD 450 606 St-Clet Prefix
CD 450 609 Ste-Justine-de-Newton Prefix
CD 450 620 St-Polycarpe Prefix
CD 450 832 St-Jean-de-Matha Prefix
CD 450 837 St-Felix-de-Valois Prefix
CD 450 840 St-Gabriel-de-Brandon Prefix
CD 450 842 St-Barthelemy Prefix
CD 450 850 St-Alphonse-de-Rodriguez Prefix
CD 450 866 St-Jacques Prefix
CD 450 870 St-Michel-des-Saints Prefix
CD 450 913 Coteau-Landing Prefix
CD 514 307 Lachine Prefix
CD 514 308 Ste-Genevieve Prefix
CD 514 309 Roxboro Prefix
CD 514 312 Montreal Prefix
CD 514 316 Montreal Prefix
CD 514 319 Pointe-Claire Prefix
CD 514 320 Ile-Perrot Prefix
CD 514 360 Montreal Prefix
CD 514 532 Lachine Prefix
CD 514 533 Roxboro Prefix
CD 514 534 Pointe-Claire Prefix
CD 514 535 Ste-Genevieve Prefix
CD 514 536 Ile-Perrot Prefix
CD 519 609 Thorndale Prefix
CD 519 704 Sarnia Prefix
CD 519 914 London Prefix
CD 519 916 Windsor Prefix
CD 579 469 Eastman Prefix
CD 579 470 Lanoraie Prefix
CD 579 471 Crabtree Prefix
CD 579 472 Berthierville Prefix
CD 579 473 Rawdon Prefix
CD 579 474 Le Gardeur Prefix
CD 579 475 L'Epiphanie-l'Assomption Prefix
CD 579 476 St-Sauveur Prefix
CD 579 477 Ste-Therese Prefix
CD 579 478 Mirabel-Aeroport Prefix
CD 579 479 Ste-Anne-des-Plaines Prefix
CD 579 480 St-Hyacinthe Prefix
CD 581 473 St-Felicien Prefix
CD 581 475 Chicoutimi Prefix
CD 581 476 Alma Prefix
CD 581 477 Levis Prefix
CD 581 478 Dolbeau Prefix
CD 581 479 Chibougamau Prefix
CD 587 884 Fort McMurray Prefix
CD 587 885 Calgary Prefix
CD 587 901 Calgary Prefix
CD 587 902 Calgary Prefix
CD 613 454 Ottawa-Hull Prefix
CD 613 455 Gloucester Prefix
CD 613 456 Carleton Place Prefix
CD 613 457 Kanata-Stittsville Prefix
CD 613 458 Orleans Prefix
CD 613 459 Jockvale Prefix
CD 613 465 Osgoode Prefix
CD 613 467 Cumberland Prefix
CD 613 480 Belleville Prefix
CD 613 481 Brighton Prefix
CD 613 486 Frankford Prefix
CD 613 490 Stirling Prefix
CD 613 494 Thurlow Prefix
CD 613 495 Trenton Prefix
CD 613 497 Wooler Prefix
CD 613 502 Gloucester Prefix
CD 613 508 Carleton Place Prefix
CD 613 509 Kanata-Stittsville Prefix
CD 613 510 Orleans Prefix
CD 613 512 Jockvale Prefix
CD 613 515 Ottawa-Hull Prefix
CD 613 516 Osgoode Prefix
CD 613 517 Cumberland Prefix
CD 613 518 Ottawa-Hull Prefix
CD 647 476 Toronto Prefix
CD 647 477 Toronto Prefix
CD 647 478 Toronto Prefix
CD 647 479 Toronto Prefix
CD 647 483 Toronto Prefix
CD 647 742 Toronto Prefix
CD 647 743 Toronto Prefix
CD 647 744 Toronto Prefix
CD 647 812 Toronto Prefix
CD 647 813 Toronto Prefix
CD 647 814 Toronto Prefix
CD 647 815 Toronto Prefix
CD 647 816 Toronto Prefix
CD 647 817 Toronto Prefix
CD 705 201 Peterborough Prefix
CD 705 202 Campbellford Prefix
CD 705 479 Sudbury Prefix
CD 705 480 Espanola Prefix
CD 705 481 Barrie Prefix
CD 705 483 Lively Prefix
CD 705 485 Blezard Valley Prefix
CD 778 812 Vancouver Prefix
CD 778 813 Vancouver Prefix
CD 778 817 Victoria Prefix
CD 778 819 Vancouver Prefix
CD 778 820 North Vancouver Prefix
CD 778 825 Aldergrove Prefix
CD 778 826 Langley Prefix
CD 778 827 New Westminster Prefix
CD 778 830 Newton Prefix
CD 778 831 Port Coquitlam Prefix
CD 778 832 Richmond Prefix
CD 778 850 Cloverdale Prefix
CD 778 851 West Vancouver Prefix
CD 778 852 Whalley Prefix
CD 778 853 Fort Langley Prefix
CD 780 652 Edmonton Prefix
CD 780 653 Grande Prairie Prefix
CD 819 253 Drummondville Prefix
CD 819 481 Sherbrooke Prefix
CD 819 484 Ottawa-Hull Prefix
CD 819 485 Gatineau Prefix
CD 819 486 Aylmer Prefix
CD 819 489 Trois-Rivieres Prefix
CD 819 914 Ottawa-Hull Prefix
CD 819 915 Aylmer Prefix
CD 819 916 Gatineau Prefix
CD 873 471 Lebel-sur-Quevillon Prefix
CD 873 472 Ville-Marie Prefix
CD 873 473 Amos Prefix
CD 873 474 La Sarre Prefix
CD 873 475 Rouyn-Noranda Prefix
CD 873 476 Val-D'Or Prefix
CD 873 477 Victoriaville Prefix
CD 873 478 Ste-Agathe Prefix
CD 873 479 St-Jovite Prefix
CD 873 480 Labelle Prefix
CD 873 481 Arundel Prefix
CD 873 482 La Minerve Prefix
CD 873 483 L'Annonciation Prefix
CD 902 593 Halifax Prefix
Showing up to 2,000 blocks (cap for performance).

SEO keywords covered

carrier lookup • operating company number • ocn lookup • who owns this number • npa nxx • rate center

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