What is ATT Mobility Puerto Rico?

ATT Mobility Puerto Rico is a US toll-free Responsible Organization (RespOrg) identified by code LA. They manage and assign toll-free numbers on behalf of business customers.

How many toll-free numbers does ATT Mobility Puerto Rico have?

ATT Mobility Puerto Rico (LA) manages 1,524 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 ATT Mobility Puerto Rico?

Resporgs.com hosts a request form for ATT Mobility Puerto Rico at https://resporgs.com/ask/LA. Fill in the number you want and your contact details; we'll route the request to the appropriate party.

ATT Mobility Puerto Rico LA

International Group: AT&T

Request a specific #

Based in San Juan, PR · street view · full size

Based in San Juan, PR · satellite · full size

At a glance

Active numbers

1,524

#255 of 481

Change over 4 years

-335

-18.0%

Opportunism Index

0.68%

Harvested 7 / acquired 1,025

Vanity matches

20.3%

Median inventory age

35 mo

2.9 years since last change

Sub-codes in use

LAM01

Inventory by NPA

Click any NPA for total pool inventory across the industry.

By status

WORKING 1,509 · 99.9%
TRANSIT 1 · 0.1%

Inventory age buckets

1–3 months 2 · 0.1%
3–12 months 19 · 1.2%
1–2 years 18 · 1.1%
2–5 years 1,441 · 88.3%
5+ years 29 · 1.8%

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	1,859	0	0	0	0	0
2018-06	1,836	20	0	43	14	2
2018-09	1,900	96	0	32	96	15
2018-10	1,970	76	0	6	76	1
2018-11	1,971	18	0	17	13	13
2018-12	1,911	4	0	64	4	63
2019-01	1,947	50	0	14	44	12
2019-02	2,001	76	0	22	75	22
2019-03	1,985	3	0	19	2	17
2019-04	1,911	1	0	75	1	71
2019-05	1,911	3	0	3	1	0
2019-06	1,919	8	0	0	6	0
2019-08	1,761	8	0	166	8	165
2019-09	1,924	165	0	2	165	2
2019-10	1,874	6	0	56	6	0
2019-11	1,871	4	0	7	4	1
2019-12	1,871	2	0	2	2	1
2020-01	1,871	2	0	2	2	0
2020-02	1,875	6	0	2	6	1
2020-03	1,883	17	0	9	17	7
2020-04	1,874	1	0	10	1	10
2020-05	1,894	25	0	5	25	4
2020-06	1,901	15	0	8	12	2
2020-07	1,891	2	0	12	2	5
2020-08	1,874	0	0	17	0	9
2020-09	1,830	0	0	44	0	1
2020-10	1,837	15	0	8	6	0
2020-11	1,829	0	0	8	0	2
2020-12	1,828	1	0	2	1	0
2021-01	1,811	1	0	18	1	0
2021-02	1,790	0	0	21	0	0
2021-03	1,847	61	0	4	60	0
2021-04	1,848	5	0	4	5	0
2021-05	1,767	0	0	81	0	2
2022-05	1,631	7	0	143	4	43
2022-06	1,625	0	0	6	0	4
2022-07	1,633	9	0	1	9	0
2022-08	1,630	2	0	5	2	5
2022-09	1,626	1	0	5	1	5
2022-10	1,628	2	0	0	2	0
2022-11	1,630	2	0	0	1	0
2022-12	1,637	11	0	4	10	0
2023-01	1,646	14	0	5	14	3
2023-02	1,633	4	0	17	4	13
2023-03	1,636	6	0	3	6	0
2023-04	1,633	7	0	10	7	8
2023-05	1,631	0	0	2	0	1
2023-06	1,649	23	0	5	22	2
2023-07	1,633	25	0	41	9	32
2023-08	1,652	44	2	25	34	8
2023-09	1,652	0	0	0	0	0
2023-10	1,659	9	0	2	9	0
2023-11	1,659	3	0	3	3	2
2023-12	1,620	21	1	60	10	3
2024-02	1,656	55	3	19	4	9
2024-03	1,655	9	0	10	9	3
2024-04	1,642	2	0	15	2	0
2024-05	1,645	7	0	4	4	0
2024-06	1,645	4	0	4	0	0
2024-07	1,617	3	0	31	1	0
2024-08	1,619	2	0	0	2	0
2024-09	1,623	4	0	0	4	0
2024-10	1,623	4	0	4	4	0
2024-11	1,622	4	0	5	4	0
2024-12	1,623	2	0	1	2	0
2025-01	1,613	1	0	11	0	0
2025-02	1,614	3	0	2	3	0
2025-03	1,614	0	0	0	0	0
2025-04	1,615	4	0	3	4	0
2025-05	1,614	0	0	1	0	0
2025-06	1,617	12	1	9	11	0
2025-07	1,613	8	0	12	8	0
2025-08	1,613	4	0	4	4	0
2025-09	1,617	12	0	8	10	0
2025-10	1,613	1	0	5	1	0
2025-11	1,607	0	0	6	0	0
2025-12	1,608	2	0	1	0	0
2026-01	1,607	0	0	1	0	0
2026-02	1,604	0	0	3	0	0
2026-03	1,572	1	0	33	0	0
2026-04	1,524	0	0	48	0	0

Flow patterns (42-month cumulative)

Inbound (numbers acquired)

Direct transfer from another RespOrg	152.0
Harvested from disconnect pool	10.0
First assigned from spare pool	358.0
Reactivated own disconnects	0.0

Outbound (numbers lost)

Direct transfer to another RespOrg	918.0
Entered multi-month disconnect (aging)	0.0
Released directly to spare pool	165.0

Top direct-transfer sources (INto LA)

RB	30.0	RingCentral
JX	12.0	Worldnet Telecom
TZ	12.0	Amazon.com (Amazon)
GA	3.0	Comet Media
MT	3.0	Toll Free Management
AT	2.0	AT&T
JY	2.0	Bandwidth
AU	2.0	ATL Communications (ATLC)
QE	2.0	Cox Communications
OM	1.0	Intrado Communications (Intrado)

Top direct-transfer destinations (OUT of LA)

BP	78.0	Five 9, Inc.
RB	63.0	RingCentral
TZ	20.0	Amazon.com (Amazon)
GA	14.0	Comet Media
ZP	13.0	Zipline (Primetel)
BU	8.0	Bluekey Communications (Primetel)
JW	8.0	WireStar (Primetel)
BA	8.0	Beckham Telecom (Primetel)
BC	8.0	Incontact (Nice)
MT	8.0	Toll Free Management

Top vanity holdings

Category:

855CONMIGO 855CONMIGO 866DIRECTV 800SISTEMA 844STEM HER 888BERRIOS 888BERRIOS 877DESANTA 855CONMIGO 844MONTANE 844MONTANE 844MONTANE 888FRUVEGA 888ESTUDIA 888ESTUDIA 866HUMAN CAPITAL 888LALITHA 888LALITHA 855FELKNER 855JASOREN 800SANTAOF 800SCOVANE 800SANTAMD 833NETFONE 866CUIDAME 866CUIDAME 833SPECTIF 877KAMAKA Z 866NINGFEI 866NINIFEI 800SOLAMOR 844MEDALLA 855PALANTE 855PALANTE 855PALANTE 833DELNINO 833DELNINO 833DELNINO 877DI FIORI 877DIFIORI 888MACKOUL 888MACKOUL 888MACKOUL 877AS ICE CREAM 866LIMONTA 866LIONOVA 866LIMONTA 866TUECHER 844POLIZAS 866TUECHER 866TUECHER 844PATROON 844RATROOM 855TUB CLUB 855TUB CLUB 866LXPRESS 866LXPRESS 866JXPRESS 888AGGHHHH FIX MY LOCK 877OJIBWAY

Summary

The contact email address has LibertyPR.com but there's no site there. There is a page on AT&T: https://www.att.com/local/puerto-rico that might be helpful but there's not much specific to PR.

Contact-form message

with a customer of ATT Mobility Puerto Rico

Request a specific #