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Ad Unit
Place a vertical ad here.| Prefix | City | Company | Line type | Open |
|---|---|---|---|---|
| 415 | Santa Rosa | Teleport Communications Group - San Francisco | Landline | View |
| 416 | Fairfield | Level 3 Communications Llc - Ca | Landline | View |
| 417 | Oakland | American Messaging Services Llc | Landline | View |
| 418 | San Francisco | O1 Communications Inc. - Ca | Landline | View |
| 419 | Santa Rosa | O1 Communications Inc. - Ca | Landline | View |
| 420 | Fairfield | Pacific Bell | Landline | View |
| 421 | Fairfield | Pacific Bell | Landline | View |
| 422 | Fairfield | Pacific Bell | Landline | View |
| 423 | Fairfield | Pacific Bell | Landline | View |
| 424 | Fairfield | Pacific Bell | Landline | View |
| 425 | Fairfield | Pacific Bell | Landline | View |
| 426 | Fairfield | Pacific Bell | Landline | View |
| 427 | Fairfield | Pacific Bell | Landline | View |
| 428 | Fairfield | Pacific Bell | Landline | View |
| 429 | Fairfield | Pacific Bell | Landline | View |
| 430 | Fairfield | Mci Worldcom Communications Inc. Ca | Landline | View |
| 431 | Healdsburg | Pacific Bell | Landline | View |
| 432 | Fairfield | Pacific Bell | Landline | View |
| 433 | Healdsburg | Pacific Bell | Landline | View |
| 434 | Fairfield | Pacific Bell | Landline | View |
| 435 | Fairfield | Pacific Bell | Landline | View |
| 436 | Fairfield | Pacific Bell | Landline | View |
| 437 | Fairfield | Pacific Bell | Landline | View |
| 438 | Fairfield | Pacific Bell | Landline | View |
| 439 | Fairfield | Pacific Bell | Landline | View |
| 440 | Oakland | Pac - West Telecomm Inc. | Landline | View |
| 441 | Eureka | Pacific Bell | Landline | View |
| 442 | Eureka | Pacific Bell | Landline | View |
| 443 | Eureka | Pacific Bell | Landline | View |
| 444 | Eureka | Pacific Bell | Landline | View |
| 445 | Eureka | Pacific Bell | Landline | View |
| 446 | Vacaville | Pacific Bell | Landline | View |
| 447 | Vacaville | Pacific Bell | Landline | View |
| 448 | Vacaville | Pacific Bell | Landline | View |
| 449 | Vacaville | Pacific Bell | Landline | View |
| 450 | Oakland | Pacific Bell | Landline | View |
| 451 | Vacaville | Pacific Bell | Landline | View |
| 452 | Vacaville | Pacific Bell | Landline | View |
| 453 | Vacaville | Pacific Bell | Landline | View |
| 454 | Vacaville | Pacific Bell | Landline | View |
| 455 | Vacaville | Pacific Bell | Landline | View |
| 456 | Willits | Pacific Bell | Landline | View |
| 457 | Gasquet | Frontier Communications West Coast Inc. - Ca | Landline | View |
| 458 | Crescent City | Frontier Communications West Coast Inc. - Ca | Landline | View |
| 459 | Willits | Pacific Bell | Landline | View |
| 460 | Crescent City | United States Cellular Corp. - California | Wireless | View |
| 461 | San Francisco | O1 Communications Inc. - Ca | Landline | View |
| 462 | Ukiah | Pacific Bell | Landline | View |
| 463 | Ukiah | Pacific Bell | Landline | View |
| 464 | Crescent City | Frontier Communications West Coast Inc. - Ca | Landline | View |
| 465 | Crescent City | Frontier Communications West Coast Inc. - Ca | Landline | View |
| 466 | Oakland | Pac - West Telecomm Inc. | Landline | View |
| 467 | Ukiah | Pacific Bell | Landline | View |
| 468 | Ukiah | Pacific Bell | Landline | View |
| 469 | Vacaville | Pacific Bell | Landline | View |
| 470 | Oakland | Pac - West Telecomm Inc. | Landline | View |
| 471 | Oakland | Pac - West Telecomm Inc. | Landline | View |
| 472 | Ukiah | Pacific Bell | Landline | View |
| 473 | Healdsburg | Pacific Bell | Landline | View |
| 474 | San Jose | Mpower Communications Corp - Ca | Landline | View |
| 475 | San Francisco | O1 Communications Inc. - Ca | Landline | View |
| 476 | Eureka | Pacific Bell | Landline | View |
| 477 | Concord | New Cingular Wireless Pcs Llc | Wireless | View |
| 478 | Concord | New Cingular Wireless Pcs Llc | Wireless | View |
| 479 | Concord | New Cingular Wireless Pcs Llc | Wireless | View |
| 480 | Concord | New Cingular Wireless Pcs Llc | Wireless | View |
| 481 | Concord | New Cingular Wireless Pcs Llc | Wireless | View |
| 482 | Klamath | Frontier Communications West Coast Inc. - Ca | Landline | View |
| 483 | Fairfield | Cellco Partnership Dba Verizon Wireless - Ca | Wireless | View |
| 484 | Concord | New Cingular Wireless Pcs Llc | Wireless | View |
| 485 | Ukiah | Pacific Bell | Landline | View |
| 486 | Concord | New Cingular Wireless Pcs Llc | Wireless | View |
| 487 | Smith River | Frontier Communications West Coast Inc. - Ca | Landline | View |
| 488 | Orick | Frontier Communications West Coast Inc. - Ca | Landline | View |
| 489 | Eureka | United States Cellular Corp. - California | Wireless | View |
| 490 | Concord | Pac - West Telecomm Inc. | Landline | View |
| 491 | Santa Rosa | American Messaging (am) Inc. | Landline | View |
| 492 | San Jose | Peerless Network Of California Llc - Ca | Landline | View |
| 493 | Santa Rosa | American Messaging (am) Inc. | Landline | View |
| 494 | Fairfield | Cellco Partnership Dba Verizon Wireless - Ca | Wireless | View |
| 495 | Fairfield | Cellco Partnership Dba Verizon Wireless - Ca | Wireless | View |
| 496 | Eureka | United States Cellular Corp. - California | Wireless | View |
| 497 | Eureka | Pac - West Telecomm Inc. | Landline | View |
| 498 | Eureka | United States Cellular Corp. - California | Wireless | View |
| 499 | Eureka | Cellco Partnership Dba Verizon Wireless - Ca | Wireless | View |
| 500 | San Francisco | Bandwidth.com Clec Llc - Ca | Landline | View |
| 501 | San Francisco | O1 Communications Inc. - Ca | Landline | View |
| 502 | Eureka | United States Cellular Corp. - California | Wireless | View |
| 504 | San Francisco | O1 Communications Inc. - Ca | Landline | View |
| 505 | San Francisco | O1 Communications Inc. - Ca | Landline | View |
| 506 | San Francisco | O1 Communications Inc. - Ca | Landline | View |
| 507 | San Francisco | O1 Communications Inc. - Ca | Landline | View |
| 508 | San Francisco | O1 Communications Inc. - Ca | Landline | View |
| 509 | San Francisco | O1 Communications Inc. - Ca | Landline | View |
| 512 | San Francisco | O1 Communications Inc. - Ca | Landline | View |
| 513 | Fairfield | O1 Communications Inc. - Ca | Landline | View |
| 514 | San Francisco | O1 Communications Inc. - Ca | Landline | View |
| 515 | San Francisco | O1 Communications Inc. - Ca | Landline | View |
| 516 | San Francisco | Broadwing Communications Llc - Ca | Landline | View |
| 517 | San Francisco | O1 Communications Inc. - Ca | Landline | View |
Page Overview
This page provides detailed information and helpful insights related to your search. All data is based on telecom assignment records and community user reports. Use the navigation above to explore related area codes, prefixes, and reported numbers.
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