seodata.dev

keyword

post office mailbox

Monthly search volume and cost-per-click data for "post office mailbox" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=post+office+mailbox&country=us" +--------------+------------------+ | volume | 5,400 | | cpc | $1.48 | | competition | 0.32 | | country | US | | updated | 2026-06-14 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
usps mailbox 40,500 $3.5 20/20
usps mailboxes 40,500 $3.48 18/20
po box how much 22,200 $2.22 16/20
post office box 18,100 $2.23 20/20
how much does a po box cost 12,100 $1.06 17/20
mailbox post office 6,600 $4.6 20/20
usps mail box 6,600 $3.19 20/20
us post box 4,400 $1.59 20/20
mail box usps 2,400 $1.04 18/20
us post office mailboxes 880 $4.6 19/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=post+office+mailbox&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt