Is mailbox numbers profitable to sell on Amazon United States?

The niche generates $1.1M/yr across 29 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is +29.9%. Flapen's verdict: Launch it (62/100).

How competitive is the mailbox numbers niche?

20 brands and 56 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 66% of demand.

What do buyers complain about in mailbox numbers?

Top complaints mined from reviews: Adhesion/Stickiness, Durability, Quality-Overall. The return rate is 1.5%.

When does demand for mailbox numbers peak?

Demand peaks in May; the busiest month runs 1.8× the quietest.

What does it cost to enter the mailbox numbers niche?

Listings span $4.36–$35.82; the average listing price is $11.10 (sweet spot $15–$100). The average incumbent carries 2,644 reviews — the moat a new listing must climb.

mailbox numbers

Launch it

A $1.1M/yr market growing +29.9% this quarter with returns at 1.5% — clears our launch bar.

Returns

Great1.5%

return rate — above 5% kills the launch gate

Market size

Great$1.1M

$1.1M/yr · 1.8M searches

Price range

Good$4.36–$35.82

cheapest to priciest tracked listing — scored on the share inside $15–$100

Brand share

Good66%

top-5 brand share — brands hold most of the demand

Conversion

Good5.6%

search→purchase rate — share of searches ending in a sale

Competition

Good49%

top-5 click share — leaders hold, buyers still browse

Growth

Good+29.9%

90-day search growth — must beat 0% to launch

Avg price

Okay$11.10

avg listing price — sweet spot $15–$100

Review moat

Okay2,643.93

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

According to Flapen's Amazon United States niche tracking, mailbox numbers is a $1.1M/yr Amazon United States market (1.8M searches/yr). The top 5 brands hold 66% of demand. Demand peaks in May. Verdict: Launch it — 62/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

mailbox numbers market data

Units sold / yr: 100K–125K; avg 3,000–4,000/product
Revenue / yr: $1.1M–$1.4M; units × avg price
Conversion rate: 5.6%
Avg BSR: #40
Page quality: 0%
Prime: 86%
Sponsored: 90%
Out of stock: 0.0%
Avg brand age: 38 months
Avg seller age: 159 days

Competition & brand share

The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.

Brands

20 flat

Sellers

Top-5 brand share

66%

Top 20: 100%

Top-5 click share

49%

Top 20: 90%

Open market

29%

olaine25%
OLADOT16%
SUREFORU15%
Kattykitty6%
Discovered Designs5%
opasyo4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +29.9% search growth over the last 90 days.

Peak months: May · busiest ÷ quietest = 1.8×

Open Trend

Top mailbox numbers search terms

mailbox numbers968K/yr +33.9%4.3% conv.
mailbox numbers for outside208K/yr +32.5%4.0% conv.
reflective mailbox numbers80K/yr +50.0%4.4% conv.
mail box numbers59K/yr +48.8%4.4% conv.
mailbox stickers57K/yr +42.8%3.4% conv.
numbers for mailbox63K/yr -3.8%5.1% conv.
mailbox numbers reflective44K/yr -2.6%4.7% conv.
mailbox number stickers30K/yr +37.7%5.4% conv.
mailbox decals32K/yr +45.8%0.5% conv.
reflective house numbers41K/yr +5.6%1.0% conv.

All search terms

Top mailbox numbers products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

60 Numbers Reflective Adhesive Mailbox Number Pack 3 Waterproof Number Stickers for Signs Door Cars Trucks Home Business Address Number

SUREFORU$6.074.4★4,987 rev

3 Inch Reflective Mailbox Numbers 50 PCS Olaine House Vinyl Stickers with Easy-Peel Tabs Includes Squeegee & Masking Tape Strong Self-Adhesive Numbers

olaine$9.544.6★2,068 rev

Reflective Vinyl Mailbox Number Decals - Waterproof Self-Adhesive Classic Style (3 & 4)

OLADOT$8.634.5★8,964 rev

50 PCS 2 inch Reflective Adhesive Mailbox Numbers Waterproof Vinyl Number Stickers with Easy-Peel Tabs Includes Squeegee & Masking Tape Strong Self-Adhesive House Numbers Practical Gifts

olaine$8.934.6★1,934 rev

60 PCS White Mailbox Numbers Vinyl Waterproof Stickers for Outside Address on House Big Mail BOX Number 6 (3 x 4 sets 4 x 2 set 0-9)

Kattykitty$5.124.3★2,858 rev

Newest

by launch date

50 PCS 3 inch Reflective Adhesive Mailbox Numbers Waterproof Vinyl Number Stickers with Easy-Peel Tabs Includes Squeegee & Masking Tape Strong Self-Adhesive House Numbers Practical Gifts

olaine$9.911,934 rev

3mo ago

3 Inch Reflective White Mailbox Number Stickers 6 Sets

RAINHOL$8.1720 rev

6mo ago

Hoople 3 Inch Reflective Mailbox Numbers for Outside 3 Sets (0-9) Self-Adhesive Vinyl House Numbers Pre-Cut Mailbox Numbers for Mailbox & Door Weatherproof Waterproof Durable Address Numbers for Fence & Garage

HOOPLE$4.3661 rev

7mo ago

MOJOTORY 3 Inch Reflective Mailbox Numbers 5 Sets 0-9

MOJOTORY$7.8832 rev

8mo ago

MOWPOG 80 PCS Reflective Mailbox Numbers for Outside 3 Inch Self Adhesive Waterproof Vinyl Number Stickers for Signs Door Garbage Bins House Address

MOWPOG$6.13364 rev

1y ago

What buyers say about mailbox numbers

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall15%

“Great product, as described”

Brightness/Shine/Glow11%

“Shines bright”

Assembly/Installation11%

“Easy install”

Advertised Vs Actual Product9%

“As advertised”

Ease Of Use9%

“Easy Peasy”

Value For Money7%

“Good Value”

Size-Overall7%

“Good size”

Adhesion/Stickiness6%

“Secure adhesion”

Durability4%

“Durable and looks great”

Design-Overall4%

“Looks great”

What buyers complain about

Adhesion/Stickiness25%

“Adhesive is terrible”

Durability12%

“After 2 weeks”

Quality-Overall11%

“Cheaply made junk”

Size-Overall5%

“Pitcher appears bigger than it is”

Brightness/Shine/Glow4%

“Dull light at best”

Ease Of Use3%

“Very tricky to apply”

Value For Money3%

“Which I could have gotten for far less $ any number of places”

Functionality-Overall3%

“Solar panel NEVER worked”

Material Quality2%

“Cheap Plastic :”

Instructions/User Manual/Troubleshooting2%

“The instructions are a lie”

Top return reasons

Size-Overall49%

Advertised Vs Actual Product9%

Color8%

Adhesion/Stickiness5%

Functionality-Overall4%

Quality-Overall4%

Defective Material/Parts3%