NRNumberResearch Membership · Data 09/17/2026

← Area code 650

All assignees

730 prefixes in 650 · initial assignments from the NANPA CO code file, 09/17/2026

Prefixes held by all assignees in area code 650
NPA-NXXRate centerOCNAssignedPooled
650-502 SSNFRNCSCO 981E 2019-02-08 Yes
650-503 REDWOOD CY 671J — Yes
650-504 SAN MATEO 6010 — —
650-505 PALO ALTO 6010 2018-02-06 Yes
650-506 SNCRL-BLMT 9740 — —
650-507 PALO ALTO 6529 2019-10-25 Yes
650-508 SNCRL-BLMT 9740 — —
650-509 PALO ALTO 6006 2016-04-26 Yes
650-511 XXXXXXXXXX MULT — —
650-512 PALO ALTO 6010 2019-10-25 Yes
650-513 SAN MATEO 9740 — Yes
650-514 SAN MATEO 8826 2019-03-22 Yes
650-515 SSNFRNCSCO 8826 — Yes
650-516 PACIFICA 671J — Yes
650-517 SNCRL-BLMT 671J — Yes
650-518 LOS ALTOS 5562 2001-09-21 Yes
650-519 PALO ALTO 6010 2022-01-10 Yes
650-520 SAN MATEO 6529 — Yes
650-521 PALO ALTO 394L 2005-08-04 Yes
650-522 SAN MATEO 9740 — Yes
650-523 SAN MATEO 649C — —
650-524 SAN MATEO 9740 — Yes
650-525 SAN MATEO 9740 — Yes
650-526 MT VIEW 9740 — Yes
650-527 MT VIEW 9740 — —
650-528 MT VIEW 9740 — Yes
650-529 WOODSIDE 9740 — Yes
650-530 WOODSIDE 7145 — Yes
650-531 PALO ALTO 6006 2020-03-26 Yes
650-532 SAN MATEO 671J — Yes
650-533 SAN MATEO 5562 — Yes
650-534 SSNFRNCSCO 7229 — Yes
650-535 MOSS BEACH 671J — Yes
650-536 SNFC JUNPR 073H 2017-03-17 Yes
650-537 MT VIEW 6529 — Yes
650-538 PESCADERO 671J — Yes
650-539 SAN MATEO 6529 — Yes
650-540 SSNFRNCSCO 7145 2020-08-28 Yes
650-541 SAN MATEO 6010 2022-01-10 Yes
650-542 REDWOOD CY 9740 — Yes
650-543 PALO ALTO 671J — —
650-544 SAN MATEO 6529 — Yes
650-545 MT VIEW 7894 — —
650-546 PALO ALTO 7145 2015-08-31 Yes
650-547 WOODSIDE 6010 2022-01-10 Yes
650-548 SAN MATEO 9740 — —
650-549 REDWOOD CY 7229 — Yes
650-550 SNFC JUNPR 9740 — Yes
650-551 SNCRL-BLMT 9740 — Yes
650-552 MILLBRAE 9740 — Yes
650-553 SSNFRNCSCO 9740 — —
650-554 SAN MATEO 9740 — Yes
650-555 DIR ASST MULT — —
650-556 REDWOOD CY 9740 — Yes
650-557 PACIFICA 9740 — Yes
650-558 SAN MATEO 9740 — —
650-559 LOS ALTOS 9740 — Yes
650-560 HALFMOONBY 9740 — Yes
650-561 PALO ALTO 9740 — Yes
650-562 REDWOOD CY 9740 — Yes
650-563 MOSS BEACH 9740 — Yes
650-564 MT VIEW 9740 — Yes
650-565 PALO ALTO 9740 — —
650-566 PALO ALTO 9740 — —
650-567 MT VIEW 9740 — Yes
650-568 REDWOOD CY 9740 — —
650-569 REDWOOD CY 9740 — Yes
650-570 SAN MATEO 9740 — Yes
650-571 SAN MATEO 9740 — Yes
650-572 SAN MATEO 9740 — —
650-573 SAN MATEO 9740 — —
650-574 SAN MATEO 9740 — Yes
650-575 PALO ALTO 6010 — —
650-576 SAN MATEO 6010 — —
650-577 SAN MATEO 9740 — Yes
650-578 SAN MATEO 9740 — —
650-579 SAN MATEO 9740 — —
650-580 SSNFRNCSCO 6010 — —
650-581 SAN MATEO 7145 — Yes
650-582 MT VIEW 073H 2021-01-29 Yes
650-583 SSNFRNCSCO 9740 — —
650-584 MT VIEW 9740 — Yes
650-585 SNCRL-BLMT 8826 — Yes
650-586 PALO ALTO 073H 2021-02-01 Yes
650-587 REDWOOD CY 8826 — Yes
650-588 SSNFRNCSCO 9740 — —
650-589 SSNFRNCSCO 9740 — —
650-590 SNCRL-BLMT 649C — Yes
650-591 SNCRL-BLMT 9740 — —
650-592 SNCRL-BLMT 9740 — —
650-593 SNCRL-BLMT 9740 — —
650-594 SNCRL-BLMT 9740 — Yes
650-595 SNCRL-BLMT 9740 — Yes
650-596 SNCRL-BLMT 9740 — —
650-597 SNCRL-BLMT 9262 2008-10-04 Yes
650-598 SNCRL-BLMT 9740 — —
650-599 REDWOOD CY 9740 — —
650-600 PALO ALTO 649C — Yes
650-602 MT VIEW 6006 2021-10-26 Yes
650-603 MT VIEW 9740 — Yes

These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.