How many toll-free numbers does Science West Services have?

Science West Services (SW) manages 27,029 active toll-free numbers as of 2026-04, according to the Somos toll-free registry tracked by Resporgs.com.

How do I request a specific toll-free number from Science West Services?

Resporgs.com hosts a request form for Science West Services at https://resporgs.com/ask/SW. Fill in the number you want and your contact details; we'll route the request to the appropriate party.

Science West Services SW

Vanity Biz

Request a specific #

Based in Palo Alto, CA · street view · full size

Based in Palo Alto, CA · satellite · full size

Website: none

At a glance

Active numbers

27,029

#106 of 481

Change over 4 years

+23,097

+587.4% · #72 of 156

Opportunism Index

0.00%

Harvested 0 / acquired 27,029

Vanity matches

49.6%

#23 of 201

Median inventory age

70 mo

5.8 years since last change
#53 of 201 oldest

Sub-codes in use

SWS01, SWS99

Inventory by NPA

Click any NPA for total pool inventory across the industry.

By status

WORKING 27,017 · 100.0%

Inventory age buckets

1–3 months 3 · 0.0%
3–12 months 4 · 0.0%
5+ years 27,010 · 82.4%

Ages are measured from each number's last change in the Somos registry — that's the most recent activation, transfer, or status move. Not necessarily the date this RespOrg originally acquired it.

Request a manual history review of a specific toll-free number →

Trajectory

Total active inventory Numbers harvested from disconnect pool that month

Show monthly numbers

Month	Inventory	Acquired	Lost	From spare	To spare
2018-03	3,932	0	0	0	0
2018-06	3,932	0	0	0	0
2018-09	3,932	0	0	0	0
2018-10	3,932	0	0	0	0
2018-11	23	11	3,920	10	0
2018-12	14	1	10	0	9
2019-01	16	2	0	0	0
2019-02	16	0	0	0	0
2019-03	16	0	0	0	0
2019-04	16	0	0	0	0
2019-05	16	0	0	0	0
2019-06	16	0	0	0	0
2019-08	16	0	0	0	0
2019-09	17	1	0	0	0
2019-10	17	0	0	0	0
2019-11	17	0	0	0	0
2019-12	17	0	0	0	0
2020-01	17	0	0	0	0
2020-02	17	0	0	0	0
2020-03	17	0	0	0	0
2020-04	17	0	0	0	0
2020-05	17	0	0	0	0
2020-06	17	0	0	0	0
2020-07	27,031	27,014	0	0	0
2020-08	27,031	0	0	0	0
2020-09	27,031	0	0	0	0
2020-10	27,031	0	0	0	0
2020-11	27,030	0	1	0	0
2020-12	27,030	0	0	0	0
2021-01	27,030	0	0	0	0
2021-02	27,030	0	0	0	0
2021-03	27,030	0	0	0	0
2021-04	27,030	0	0	0	0
2021-05	27,030	0	0	0	0
2022-05	27,030	0	0	0	0
2022-06	27,030	0	0	0	0
2022-07	27,029	0	1	0	0
2022-08	27,029	0	0	0	0
2022-09	27,029	0	0	0	0
2022-10	27,029	0	0	0	0
2022-11	27,029	0	0	0	0
2022-12	27,029	0	0	0	0
2023-01	27,029	0	0	0	0
2023-02	27,029	0	0	0	0
2023-03	27,029	0	0	0	0
2023-04	27,029	0	0	0	0
2023-05	27,029	0	0	0	0
2023-06	27,029	0	0	0	0
2023-07	27,029	0	0	0	0
2023-08	27,029	0	0	0	0
2023-09	27,029	0	0	0	0
2023-10	27,029	0	0	0	0
2023-11	27,029	0	0	0	0
2023-12	27,029	0	0	0	0
2024-02	27,029	0	0	0	0
2024-03	27,029	0	0	0	0
2024-04	27,029	0	0	0	0
2024-05	27,029	0	0	0	0
2024-06	27,029	0	0	0	0
2024-07	27,029	0	0	0	0
2024-08	27,029	0	0	0	0
2024-09	27,029	0	0	0	0
2024-10	27,029	0	0	0	0
2024-11	27,029	0	0	0	0
2024-12	27,029	0	0	0	0
2025-01	27,029	0	0	0	0
2025-02	27,029	0	0	0	0
2025-03	27,029	0	0	0	0
2025-04	27,029	0	0	0	0
2025-05	27,029	0	0	0	0
2025-06	27,029	0	0	0	0
2025-07	27,029	0	0	0	0
2025-08	27,029	0	0	0	0
2025-09	27,029	0	0	0	0
2025-10	27,029	0	0	0	0
2025-11	27,029	0	0	0	0
2025-12	27,029	0	0	0	0
2026-01	27,029	0	0	0	0
2026-02	27,029	0	0	0	0
2026-03	27,029	0	0	0	0
2026-04	27,029	0	0	0	0

Flow patterns (42-month cumulative)

Inbound (numbers acquired)

Direct transfer from another RespOrg	0.0
Harvested from disconnect pool	0.0
First assigned from spare pool	0.0
Reactivated own disconnects	0.0

Outbound (numbers lost)

Direct transfer to another RespOrg	1.0
Entered multi-month disconnect (aging)	0.0
Released directly to spare pool	0.0

Top direct-transfer destinations (OUT of SW)

1.0

TELUS Corporation

Top vanity holdings

Category:

877HEATING 877IN NATURE 800SWEATSHIRTS 866TELECOM 877NETBANK 855DATAMAN 855DATAMAN 844HOUOCON 844INVOCOO 877OVERGOT 877OVERHOT 877AUSABLE 877CUPCAKE 877MONSTER 877INVOICE 877INVOICE 888GOODBME 888HOMEAND 877CERTAIN 877CERTAIN 800SSDREAM 800OTTOMAN 800OTTOMAN 877TEAPOTS 800CASEFAN 800CARE ECO 877CHASING 877CHASING 877HOTDOGS 877INVENIR 888HONDAOF 877JUKEBOX 877JUKEBOX 877CHANGES 877MARKERS 877TASTEOF 877TASTE ME 877VASTEND 866LATINOS 877HOTFROG 877INTERNI 877EFFECTS 877PAINMAN 877RAINMAN 877SHACKLE 877SHACKLE 866FORGUNS 866DORITOS 877 800VOPLACE 866DOMETAL 855MEMOCOM 855 866MEMOCOM 866 877WEAR INK 888ONLEEDS 877TOMAGOT 877TOMCHOU 855HEBERSS

Summary

Their address is a Regus shared or virtual office location. They don't have a website and give a name with generic words. And with such a high percentage of 800's, and one of the higher % of vanity numbers and no activity, my best guess for them is that they're in the vanity business though I don't know them and they're not very active.

About Science West Services

No verifiable information found on **Science West Services** (RespOrg code: SWS01) as a telecommunications RespOrg or any related entity in primary sources such as somos.com, fcc.gov, or preferred industry publications. Search results reference unrelated Palo Alto, CA organizations like city community services, PARC, and Silicon Valley utilities, but none match the query. Sources are weak or absent; cannot confirm primary business, founding, size, or status.

AI-generated summary (confidence: low), last updated 2026-04-30. Verify against primary sources before quoting.

Contact-form message

with West Services?

Request a specific #