How many toll free numbers does Zipline have?

Zipline (ZP) manages 60,833 active toll free numbers as of 2026-10, according to the Somos toll free registry tracked by Resporgs.com.

How do I request a specific toll free number from Zipline ?

Resporgs.com hosts a request form for Zipline at https://resporgs.com/ask/ZP. Fill in the number you want and your contact details. Bill Quimby reads every request and passes appropriate ones to the company that holds the number.

RespOrg directory

Zipline

Q: What is Zipline ?

Zipline is a US toll free Responsible Organization (RespOrg), code ZP. Zipline (RespOrg code ZP) controls 60,833 US toll free numbers as of October 2026. That is up 33,042 (119%) since March 2018. It is part of the Primetel group. Based in Philadelphia, PA.

alias: Primetel

Group: Primetel

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Looking for a toll free number from Zipline ?

Tell me which number you want. I pass appropriate requests to the company that holds the number, and I reply within one business day. It's free to ask.

Request a number from Zipline →

Zipline (RespOrg code ZP) controls 60,833 US toll free numbers as of October 2026. That is up 33,042 (119%) since March 2018. It is part of the Primetel group. Based in Philadelphia, PA.

Transfer network

How toll free numbers move between Zipline (ZP) and other Resp Orgs, reconstructed from Somos registry snapshots. Larger nodes = more transfer volume; Zipline is highlighted. Open the full interactive map →

Scroll to zoom, drag to pan, drag a node to reposition.

Transfer Funnel (acquired at a drop, then moved on) Off-hours fast pickup

Based in Philadelphia, PA, street view, full size

Based in Philadelphia, PA, satellite, full size

Phone: (855) 947-5163 via web search: zipline.com

At a glance

Active numbers

60,833

#70 of 479

Change over 4 years

+33,042

+118.9% · #29 of 159

Opportunism Index

26.23%

#27 of 320

Vanity matches

52.6%

#28 of 207

Median inventory age

46 mo

3.8 years since last change
#86 of 207 oldest

Sub-codes in use

ZPL01, ZPL99

Inventory by NPA

Click any NPA for total pool inventory across the industry.

By status

WORKING 60,477, 99.4%
DISCONN 342, 0.6%

Inventory age buckets

1–3 months 490, 0.6%
3–12 months 1,993, 2.4%
1–2 years 8,196, 10.1%
2–5 years 49,598, 60.9%
5+ years 200, 0.2%

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	Harvested	Lost	From spare	To spare
2018-03	27,791	0	0	0	0	0
2018-06	28,857	1,066	396	0	0	0
2018-09	29,832	977	499	2	18	0
2018-10	30,258	442	122	16	0	0
2018-11	30,616	358	51	0	1	0
2018-12	31,553	942	259	5	0	0
2019-01	33,154	1,601	150	0	0	0
2019-02	33,909	776	150	21	0	0
2019-03	34,562	655	158	2	2	0
2019-04	35,352	798	150	8	162	0
2019-05	35,998	646	177	0	37	0
2019-06	36,874	876	238	0	123	0
2019-08	37,342	1,482	164	1,014	140	1,014
2019-09	38,907	1,565	58	0	1,272	0
2019-10	39,537	630	4	0	255	0
2019-11	40,634	1,103	26	6	6	1
2019-12	41,046	412	26	0	63	0
2020-01	41,181	136	0	1	10	0
2020-02	41,199	18	1	0	1	0
2020-03	41,226	27	0	0	18	0
2020-04	41,288	78	0	16	24	1
2020-05	42,556	1,339	45	71	120	0
2020-06	43,193	647	0	10	270	1
2020-07	43,594	401	0	0	48	0
2020-08	44,030	452	34	16	308	0
2020-09	44,034	4	0	0	4	0
2020-10	44,094	60	0	0	33	0
2020-11	44,149	55	3	0	8	0
2020-12	44,397	248	32	0	1	0
2021-01	44,830	433	0	0	97	0
2021-02	44,992	162	33	0	89	0
2021-03	45,006	14	10	0	0	0
2021-04	45,186	180	169	0	10	0
2021-05	45,250	64	57	0	4	0
2022-05	46,563	1,326	87	13	112	10
2022-06	46,801	238	123	0	7	0
2022-07	46,955	154	83	0	26	0
2022-08	47,038	91	0	8	4	8
2022-09	47,053	15	0	0	0	0
2022-10	47,064	11	0	0	1	0
2022-11	47,197	133	2	0	8	0
2022-12	47,249	57	1	5	2	5
2023-01	47,277	35	7	7	4	7
2023-02	47,285	8	0	0	7	0
2023-03	47,288	3	0	0	2	0
2023-04	47,796	508	14	0	5	0
2023-05	47,837	41	15	0	16	0
2023-06	47,895	58	3	0	2	0
2023-07	46,955	20	0	960	13	53
2023-08	48,247	1,312	6	20	75	13
2023-09	48,751	504	0	0	0	0
2023-10	48,865	114	3	0	1	0
2023-11	48,876	11	1	0	0	0
2023-12	67,267	18,411	361	20	4,604	12
2024-02	49,286	212	0	18,193	159	4,634
2024-03	49,427	141	3	0	0	0
2024-04	49,542	115	0	0	0	0
2024-05	49,722	180	0	0	0	0
2024-06	63,551	14,017	13,883	188	9	173
2024-07	61,418	670	0	2,803	0	2,800
2024-08	62,035	622	24	5	0	5
2024-09	63,500	1,465	1	0	0	0
2024-10	64,475	991	8	16	0	16
2024-11	66,237	1,764	1	2	0	2
2024-12	68,054	1,817	19	0	0	0
2025-01	62,274	182	15	5,962	65	5,470
2025-02	61,769	46	26	551	0	551
2025-03	61,769	0	0	0	0	0
2025-04	57,239	614	10	5,144	0	4,728
2025-05	57,073	217	12	383	0	361
2025-06	59,547	2,577	3	103	0	99
2025-07	61,234	2,093	708	406	0	378
2025-08	60,973	82	33	343	0	188
2025-09	60,996	73	9	50	0	49
2025-10	60,978	332	168	350	1	60
2025-11	59,972	500	117	1,506	0	0
2025-12	59,543	724	144	1,153	0	0
2026-01	60,424	996	70	115	1	0
2026-02	60,910	601	167	115	0	0
2026-03	60,680	130	83	360	0	4
2026-04	60,861	633	69	452	0	293
2026-05	60,378	137	31	620	0	328
2026-06	60,377	192	70	193	0	19
2026-07	60,450	155	35	82	0	0
2026-08	60,609	432	79	273	0	0
2026-09	60,747	229	61	91	0	15
2026-10	60,833	254	80	168	0	68

Flow patterns (42-month cumulative)

Inbound (numbers acquired)

Direct transfer from another RespOrg	140,985.0
Harvested from disconnect pool	58,941.0
First assigned from spare pool	24,744.0
Reactivated own disconnects	3,414.0

Outbound (numbers lost)

Direct transfer to another RespOrg	49,348.0
Standard disconnect aging process (3+ months in DISC)	902
Abbreviated disconnect period (1–2 months in DISC)	25,503
Released directly to spare pool	85,464.0

Of the 26,405 disconnect episodes this RespOrg has sent through aging, 97% were abbreviated (1–2 snapshots in DISC status). That's a strong early-disconnector signal, this RespOrg routinely releases numbers before the full 3–4 month aging window. Worth checking daily for vanity drops.

Top direct-transfer sources (INto ZP)

GO	12,483.0	Google Voice
JY	9,840.0	Bandwidth
AL	3,455.0	Lumen Technologies (Lumen)
GA	2,279.0	Comet Media
WH	1,844.0	Who's Calling Inc.
SO	1,709.0	Signal One
AT	1,642.0	AT&T
OU	1,283.0	CallSource
YC	977.0	Marchex
PJ	952.0	Independent Resporg (NumHub)

Top direct-transfer destinations (OUT of ZP)

GO	10,214.0	Google Voice
JY	542.0	Bandwidth
GA	388.0	Comet Media
AU	125.0	NumHub
YC	122.0	Marchex
QI	106.0	Telnyx
OU	102.0	CallSource
JG	93.0	Double Eagle Communication
AE	70.0	Logix Communications
SO	64.0	Signal One

Summary

Zipline is another large resporg of Primetel.

Top vanity holdings

Category:

888RENTALS 888IMPROVE 888IMPROVE 866FORSALE 866FORSALE 844RECORDS 866FORSALE 855LIBRARY 855APPLICATION 844ANTHONY 866WIRELESS 855PRIVATE 844CHINESE 855SURFACE 855SURFCAD 855ARCHIVE 855ARCHIVE 844CHEMIST 844CHEMIST 800STARTER 800QUARTER 855DISTILL 855DISTILL 866CARDPRO 866ACRESRO 855SHARPEN 855SHARPEN 855LEAFLET 855LEAFLET 877OUTSERT 877OUTSERT 844DOPE BAR 844DOSECAP 844DETECTO 844DETECTO 866CLOUDBB 855INEFATH 855IN DEATH 833RESISTA 833RESISTA 855DETERGE 888TECCARE 888TECBASE 855SCHOOLA 855PAHOOLA 833TOCREAT 833TOAREAT 833VSPORTO 855BALANCE 855FABRICS 844EDWARDS 844DETROIT 844DRINKING 844SISTERS 844INDIVIDUALS 844FEDERAL 855OFFROAD 855OFFROAD 877AUTOMOTIVE 888SPIRITS

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with Zipline (PrimeTel)

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