T-Mobile in Washington

t-mobile.com · Specialty Retail · the Q3 2026 release

T-Mobile has 269 locations in Washington, its 10th-largest state of the 50 it operates in.

Every figure in this block is measured inside Washington. Nothing in it is a rate.

T-Mobile: local figures for Washington.
Figure	Value	What it measures~~Washington only~~
Locations in Washington	269	Records the US location index holds for T-Mobile inside Washington right now — a snapshot at the Q3 2026 release, not a change over time.
Rank among T-Mobile's states	10th of 50	By location count, among the states where this brand clears the publication floor.
States with a published T-Mobile page	50	States where the brand has at least 3 locations. Smaller states exist in the index and are not published.
Locations across those states	9,080	The sum of the state table below. Lower than the national count, which includes states under the floor.
Washington's share of that footprint	3.0%	A share of the published states only. Both halves are the same measure, so this is not a growth rate.
Index opening records in Washington	13	A DIFFERENT measure from the count above: openings detected inside the tracked window, not stores standing today.
Cities with index opening records in Washington	13	Distinct cities after folding spelling variants. See the city table.

The two counts above are measured differently and are both correct. Locations in Washington is a presence snapshot of what operates there now; index opening records counts what opened inside the tracked window. A chain that already had 40 locations in Washington and opened none reads 0 openings.
It is a count of OPENINGS, not of stores. Openings are diffs against the previous release, so a mature operator that finished its Washington buildout before the window opened shows a large location count and no openings at all.
T-Mobile's opening records arrive overwhelmingly as supplier batches rather than as dated store openings, so they are labelled index opening records and no quarterly pace is published from them.

Where T-Mobile has opened in Washington

Cities with index opening records recorded for T-Mobile in Washington. The count beside each city is its openings — not its total T-Mobile locations.

T-Mobile index opening records by city in Washington, largest first.
City~~modal spelling in the index~~	Index opening records~~inside Washington~~	Share of Washington openings	Spellings folded~~raw variants in the index~~
Bellevue	1	7.7%	1
Burlington	1	7.7%	1
Camas	1	7.7%	1
Centralia	1	7.7%	1
Chehalis	1	7.7%	1
Deer Park	1	7.7%	1
Oak Harbor	1	7.7%	1
Puyallup	1	7.7%	1
Richland	1	7.7%	1
Ridgefield	1	7.7%	1
Seattle	1	7.7%	1
Silverdale	1	7.7%	1
Sunnyside	1	7.7%	1

13 cities with index opening records in Washington.
Spellings are folded the same way the city URLs are built, so "St. Louis" and "St Louis" are one city rather than two. The most frequent raw spelling wins the label; "Spellings folded" is how many the index actually holds.
Cities are NOT linked: a city page is published only where at least three brands clear the floor, so a link from here would frequently point at a page that does not exist.

T-Mobile in every state we publish

The brand's whole published footprint, largest first. Washington is highlighted in place.

T-Mobile locations by state.
Rank	State	Locations~~presence snapshot~~	Share of footprint~~published states only~~
1	California	1,069	11.8%
2	Texas	888	9.8%
3	Florida	734	8.1%
4	New York	513	5.6%
5	Illinois	376	4.1%
6	Pennsylvania	344	3.8%
7	Georgia	305	3.4%
8	Ohio	295	3.2%
9	Michigan	293	3.2%
10	Washington — this page	269	3.0%
11	Virginia	261	2.9%
12	New Jersey	253	2.8%
13	North Carolina	223	2.5%
14	Arizona	210	2.3%
15	Colorado	181	2.0%
16	Missouri	176	1.9%
17	Tennessee	169	1.9%
18	Maryland	164	1.8%
19	Minnesota	157	1.7%
20	Indiana	154	1.7%
21	Massachusetts	147	1.6%
22	Alabama	146	1.6%
23	South Carolina	139	1.5%
24	Wisconsin	131	1.4%
25	Oregon	123	1.4%
26	Utah	112	1.2%
27	Louisiana	111	1.2%
28	Oklahoma	109	1.2%
29	Connecticut	106	1.2%
30	Kentucky	93	1.0%
31	Kansas	90	1.0%
32	Nevada	78	0.9%
33	Iowa	70	0.8%
34	New Mexico	70	0.8%
35	Arkansas	67	0.7%
36	Mississippi	64	0.7%
37	West Virginia	62	0.7%
38	Idaho	53	0.6%
39	Hawaii	42	0.5%
40	New Hampshire	34	0.4%
41	Nebraska	32	0.4%
42	Delaware	28	0.3%
43	Montana	26	0.3%
44	Rhode Island	25	0.3%
45	Maine	22	0.2%
46	South Dakota	17	0.2%
47	Wyoming	17	0.2%
48	North Dakota	16	0.2%
49	District of Columbia	12	0.1%
50	Vermont	4	0.0%

A state appears here only with at least 3 locations. States below the floor are in the index but have no page, so this total is smaller than the national count.
Locations are a presence snapshot at the Q3 2026 release. They are not openings and they are not a change.

T-Mobile nationwide

Context for the local figures above. None of it is a Washington number.

T-Mobile: national figures, for context only.
Figure	Value~~United States~~	Basis
US locations	9,107	At the latest vintage, Q3 2026.
US locations at the window start	9,152	The first tracked vintage, Q4 2024.
Net new over the window	-45	The difference between the two counts above. A count movement, not a count of openings.
Growth over the window	withheld: this brand's index coverage is still maturing — see the note under this table	Percentage change in the count between the first and latest vintages, nationwide.
Growth as a multiple	withheld: this brand's index coverage is still maturing — see the note under this table	The same movement stated as a multiple of the starting count.
Growth against its category	withheld: this brand's index coverage is still maturing — see the note under this table	The brand's percentage change minus its category's, so a rising tide is subtracted out.
Mean quarterly change	+280	Average count movement per vintage step. The default ranking key on the hub.
Verified openings in the window	withheld: the opening records are supplier batches — see the note under this table	Individually dated location records new to the index inside the window, nationwide.
Openings pace, latest step	withheld: the opening records are supplier batches — see the note under this table	Verified openings per 91 days over the most recent vintage step.
Openings pace, prior step	withheld: the opening records are supplier batches — see the note under this table	The same measure one step earlier.
Direction	withheld: the opening records are supplier batches — see the note under this table	Accelerating, steady or slowing, decided on the two paces at the precision they are printed.
Latest pace as a share of the base	withheld: the opening records are supplier batches — see the note under this table	The latest pace over the store count at that step's start vintage.
Prior pace as a share of the base	withheld: the opening records are supplier batches — see the note under this table	The same measure one step earlier.
Reported openings pace, latest	+3.2	The server's own pre-aggregated pace. Shown because the page ranks on the series-derived figure above and the two must agree.
Reported openings pace, prior	+5.9	The same, one step earlier.
Largest single step's share of the change	—	One release carrying most of the movement is the signature of a data-coverage artifact rather than of openings.
Steps that moved the same direction	43%	A real buildout moves one way most quarters. This and the row above are the credibility filter.
Passes the credibility filter	no	Largest step at or under half the movement, most steps in one direction, and net new above zero.
Cleared to print a percentage	no	Whether the index's coverage of this brand is mature enough for a rate to mean anything.
Openings corroborated by coverage	—	Share of the openings that agree with the count series over the same step.
Records matching the brand's own website	98%	Share of index records whose website resolves to this domain.
Records sharing an address with another operator	70%	High values mean host locations, sibling banners or shared kitchens rather than the chain's own leases.
Entity class	chain	Anything other than a chain is not published as a brand page in this state tier.
Category	Retail > Computers and Electronics Retail > Mobile Phone Store	The index's own category path for this brand.
Segment	Specialty Retail	The published grouping the category rolls up to.
Match name in the index	t mobile	The string the location index matches records against. Rarely the display name.
Display name	T-Mobile	As published. Some domains carry a read-time repair where the index's most frequent name is a department's.
Domain	t-mobile.com	The key every table on this tier is joined on.
Tracked window	8 vintages, Q4 2024 to Q3 2026	How many quarterly releases this brand has been measured across.
Vintage stamps	2024-11-19\|2024-12-03\|2025-03-06\|2025-06-10\|2025-09-09\|2025-12-16\|2026-03-18\|2026-07-09	Every release these figures were built from, oldest first, pipe-separated. It is a LIST of dates rather than one date, which is why nothing on this page prints it as a timestamp.

Every figure in this block is NATIONAL. It is identical on all 50 of T-Mobile's state pages and is not apportioned to Washington — dividing a national percentage into a state is not a fact about anything, which is why no Washington growth rate is published anywhere on this page.
Openings are individually dated records new to the index; net new is the difference between two count snapshots. The two answer different questions and rarely match.
T-Mobile's opening records arrive overwhelmingly as supplier batches rather than as dated store openings, so they are labelled index opening records and no quarterly pace is published from them.
This brand's index coverage is still maturing, so growth percentages are withheld.

T-Mobile's count by quarter, nationwide

The national count series behind the figures above. Both readings of it — the raw count and the indexed one — are columns here.

T-Mobile: US locations at each tracked vintage.
Quarter	Vintage date	US locations	Indexed~~100 = first vintage~~	Change vs prior
Q4 2024	2024-11-19	9,152	100	—
Q4 2024	2024-12-03	9,152	100	0
Q1 2025	2025-03-06	9,291	102	+139
Q2 2025	2025-06-10	8,655	95	-636
Q3 2025	2025-09-09	8,647	94	-8
Q4 2025	2025-12-16	9,217	101	+570
Q1 2026	2026-03-18	9,148	100	-69
Q3 2026	2026-07-09	9,107	100	-41

Indexed values rebase the series to 100 at the first vintage with a non-zero count. A brand first measured at zero enters at 0 and reaches 100 one step later.
National figures. Not apportioned to any state.

T-Mobile's openings by vintage step, nationwide

Each row is the difference between two consecutive releases, so there is one fewer step than there are quarters above.

T-Mobile: index opening records per vintage step, with the real step length each pace is normalised by.
Step ends	Quarter	Openings~~in the step~~	Step length~~days~~	Pace~~per 91 days~~	Batch-suspect~~share of the step~~
Dec 3, 2024	Q4 2024	1	14	+6.5	0%
Mar 6, 2025	Q1 2025	4	93	+3.9	0%
Jun 10, 2025	Q2 2025	6	96	+5.7	17%
Sep 9, 2025	Q3 2025	5	91	+5	0%
Dec 16, 2025	Q4 2025	581	98	+540	98%
Mar 18, 2026	Q1 2026	6	92	+5.9	67%
Jul 9, 2026	Q3 2026	4	113	+3.2	50%

Steps are irregular, so a pace is openings divided by the step's real length and multiplied by 91 days rather than a raw quarterly count.
A batch-suspect share above half means the records were created on an index-wide vendor ingest day or bunched into a few days of the step; it impeaches the timing, not the existence of the stores.
National figures. Not apportioned to any state.

Where should T-Mobile open next in Washington?

Cobroker ranks the Washington trade areas that look like the ones T-Mobile already performs in — demographics, co-tenancy, traffic.

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