Area Code 650 is located in the state of California.
The California`s major city is San Mateo
The state of California is in Pacific timezone.
More important cities in California:
Belmont, CA; Burlingame, CA; Daly City, CA; East Palo Alto, CA; Foster City, CA; Los Altos, CA; Menlo Park, CA; Millbrae, CA; Mountain View, CA; Pacifica, CA; Palo Alto, CA; Redwood City, CA; San Bruno, CA; San Carlos, CA; San Mateo, CA; South San Francisco, CA;
Prefixes within the 650 Area Code what we have in our database.
| Prefix | Primary City | County | Usage |
| (650) 307 | Millbrae, CA | San Mateo | Cell Number |
| (650) 308 | Palo Alto, CA | Not filled | Unknown |
| (650) 312 | San Mateo, CA | San Mateo | Landline |
| (650) 314 | Mountain View, CA | Santa Clara | Landline |
| (650) 315 | Brisbane, CA | San Mateo | Cell Number |
| (650) 316 | Mountain View, CA | Santa Clara | Landline |
| (650) 317 | Mountain View, CA | Santa Clara | Cell Number |
| (650) 318 | Mountain View, CA | Santa Clara | Landline |
| (650) 319 | Sunnyvale, CA | Santa Clara | Landline |
| (650) 320 | Palo Alto, CA | Santa Clara | Landline |
| (650) 321 | Palo Alto, CA | Santa Clara | Landline |
| (650) 322 | Palo Alto, CA | Santa Clara | Landline |
| (650) 323 | Palo Alto, CA | Santa Clara | Landline |
| (650) 324 | Palo Alto, CA | Santa Clara | Landline |
| (650) 325 | Palo Alto, CA | Santa Clara | Landline |
| (650) 326 | Palo Alto, CA | Santa Clara | Landline |
| (650) 327 | Palo Alto, CA | Santa Clara | Landline |
| (650) 328 | Palo Alto, CA | Santa Clara | Landline |
| (650) 329 | Palo Alto, CA | Santa Clara | Landline |
| (650) 330 | Palo Alto, CA | Santa Clara | Landline |
| (650) 331 | Palo Alto, CA | Santa Clara | Landline |
| (650) 332 | Woodside, CA | San Mateo | Landline |
| (650) 333 | San Bruno, CA | San Mateo | Cell Number |
| (650) 334 | Not filled | San Mateo | Cell Number |
| (650) 335 | Mountain View, CA | Santa Clara | Landline |
| (650) 336 | Mountain View, CA | Santa Clara | Landline |
| (650) 337 | Pescadero, CA | San Mateo | Landline |
| (650) 339 | San Carlos, CA | San Mateo | Cell Number |
| (650) 340 | San Mateo, CA | San Mateo | Landline |
| (650) 341 | San Mateo, CA | San Mateo | Landline |
| (650) 342 | San Mateo, CA | San Mateo | Landline |
| (650) 343 | San Mateo, CA | San Mateo | Landline |
| (650) 344 | San Mateo, CA | San Mateo | Landline |
| (650) 345 | San Mateo, CA | San Mateo | Landline |
| (650) 346 | Brisbane, CA | San Mateo | Cell Number |
| (650) 347 | San Mateo, CA | San Mateo | Landline |
| (650) 348 | San Mateo, CA | San Mateo | Landline |
| (650) 349 | San Mateo, CA | San Mateo | Landline |
| (650) 350 | San Mateo, CA | San Mateo | Landline |
| (650) 351 | San Francisco, CA | San Francisco | Landline |
| (650) 352 | Palo Alto, CA | Santa Clara | Landline |
| (650) 353 | Palo Alto, CA | Santa Clara | Landline |
| (650) 354 | Palo Alto, CA | Santa Clara | Landline |
| (650) 355 | Pacifica, CA | San Mateo | Landline |
| (650) 356 | San Mateo, CA | San Mateo | Landline |
| (650) 357 | San Mateo, CA | San Mateo | Landline |
| (650) 358 | San Mateo, CA | San Mateo | Landline |
| (650) 359 | Pacifica, CA | San Mateo | Landline |
| (650) 360 | San Bruno, CA | San Mateo | Landline |
| (650) 361 | Redwood City, CA | San Mateo | Landline |
| (650) 362 | Redwood City, CA | San Mateo | Landline |
| (650) 363 | Redwood City, CA | San Mateo | Landline |
| (650) 364 | Redwood City, CA | San Mateo | Landline |
| (650) 365 | Redwood City, CA | San Mateo | Landline |
| (650) 366 | Redwood City, CA | San Mateo | Landline |
| (650) 367 | Redwood City, CA | San Mateo | Landline |
| (650) 368 | Redwood City, CA | San Mateo | Landline |
| (650) 369 | Redwood City, CA | San Mateo | Landline |
| (650) 370 | Palo Alto, CA | Santa Clara | Cell Number |
| (650) 371 | San Mateo, CA | San Mateo | Cell Number |
| (650) 372 | San Mateo, CA | San Mateo | Landline |
| (650) 373 | San Mateo, CA | San Mateo | Landline |
| (650) 374 | Redwood City, CA | San Mateo | Cell Number |
| (650) 375 | San Mateo, CA | San Mateo | Landline |
| (650) 376 | San Mateo, CA | San Mateo | Landline |
| (650) 377 | San Mateo, CA | San Mateo | Landline |
| (650) 378 | San Mateo, CA | San Mateo | Landline |
| (650) 380 | Palo Alto, CA | Santa Clara | Cell Number |
| (650) 381 | Redwood City, CA | San Mateo | Landline |
| (650) 382 | San Bruno, CA | San Mateo | Cell Number |
| (650) 383 | San Jose, CA | Santa Clara | Landline |
| (650) 384 | Palo Alto, CA | Santa Clara | Landline |
| (650) 385 | Redwood City, CA | San Mateo | Landline |
| (650) 386 | San Jose, CA | Santa Clara | Landline |
| (650) 387 | Palo Alto, CA | Santa Clara | Cell Number |
| (650) 388 | Palo Alto, CA | Santa Clara | Landline |
| (650) 389 | San Mateo, CA | San Mateo | Landline |
| (650) 390 | Mountain View, CA | Santa Clara | Landline |
| (650) 391 | Palo Alto, CA | Santa Clara | Landline |
| (650) 392 | San Francisco, CA | San Francisco | Landline |
| (650) 393 | San Mateo, CA | San Mateo | Landline |
| (650) 394 | San Carlos, CA | San Mateo | Landline |
| (650) 395 | Redwood City, CA | San Mateo | Landline |
| (650) 396 | Mountain View, CA | Santa Clara | Landline |
| (650) 397 | Los Altos, CA | Santa Clara | Landline |
| (650) 398 | Palo Alto, CA | Santa Clara | Cell Number |
| (650) 399 | Redwood City, CA | San Mateo | Landline |
| (650) 400 | Redwood City, CA | San Mateo | Cell Number |
| (650) 401 | San Mateo, CA | San Mateo | Landline |
| (650) 403 | San Mateo, CA | San Mateo | Landline |
| (650) 404 | Mountain View, CA | Santa Clara | Landline |
| (650) 405 | Not filled | San Mateo | Cell Number |
| (650) 406 | Mountain View, CA | Santa Clara | Cell Number |
| (650) 407 | Not filled | San Mateo | Cell Number |
| (650) 408 | San Mateo, CA | San Mateo | Cell Number |
| (650) 409 | San Francisco, CA | San Francisco | Landline |
| (650) 412 | San Carlos, CA | San Mateo | Landline |
| (650) 413 | San Carlos, CA | San Mateo | Landline |
| (650) 416 | San Francisco, CA | San Francisco | Landline |
| (650) 417 | San Jose, CA | Santa Clara | Landline |
We have 597 Prefixes in our database.