Find location & carrier for any phone number, area code, or prefix, via browser or API, free.

How do I use it?

1) Web Browser

Go to digits.cloudvox.com followed by an area code, prefix, or 10-digit phone number.

Try It: digits.cloudvox.com/2066831234 or /206/683 or /206

2) Bookmarklet

Drag this link to your browser toolbar: phone #

Then on any Web page, learn about a phone number: Digits-homepage-screenshot-callouts

Developer API

REST API: Append ".json" to any of the URL formats above (full API docs).

Try It: digits.cloudvox.com/2066831234.json or /206/683.json or /206.json

Example:

"allocation": {
   "city": "SEATTLE",
   "region": "WA",
   "country": "US",
   "carrier_name": "SPRINT SPECTRUM L.P.",
   "access_type": "wireless",
   "ratecenter": "SEATTLE",
   "ratecenter_formatted": "Seattle",
   "lat": 47.6062095,
   "lng": -122.3320708,
   "geo_precision": 4,
   "available_on": null,
   "effective_on": null,
   "carrier_ocn": "6664",
   "contaminations": null,
   "npa": 206,
   "nxx": 683,
   "block_code": null,
   "assigned_on": null,
   "current_on": "2010-04-28",
   "status": "allocated",
}

DNS API: Request a TXT record for an area code, prefix, or number (full API docs).

Try It:

$ host -t TXT 546.206.na.digits.cloudvox.com
   "city=SEATTLE"
   "ratecenter=RICHMNDBCH"
   "region=WA"
   "country=US"
   "carrier_name=VERIZON NORTHWEST INC.-WA"
   "carrier_ocn=4324"

The Rest

Announcement, API docs & examples, Google Spreadsheets phoneLocation custom function, launch presentation or suggestions.