keyword

secondary phone number

Monthly search volume and cost-per-click data for "secondary phone number" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=secondary+phone+number&country=us" +--------------+------------------+ | volume | 4,400 | | cpc | $11.51 | | competition | 0.55 | | country | US | | updated | 2026-06-26 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
second number phone	12,100	$2.77	16/20
second.phone number	12,100	$2.77	15/20
2nd phone number	4,400	$8.76	16/20
free 2nd phone number	3,600	$4.2	15/20
2nd number	2,400	$6.03	20/20
how do i get a second phone number	1,600	$4.76	16/20
second number	1,600	$7.13	16/20
second cell phone number	140	$6.89	17/20
2nd cell phone number	140	$6.85	16/20
second mobile phone number	140	$6.89	16/20

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=secondary+phone+number&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