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CNAM: caller-name lookup alongside a number

Updated 2026-10-30 · Prepared by Call Global Communications Inc

Short answer: CNAM is a caller-name lookup used chiefly in North America. The receiving carrier may query a database for a display name associated with the originating number, commonly within a 15-character field.

The receiving network, its database and the handset contacts can all affect what appears. CallGlobal does not list CNAM registration as an included service.

Use the definition to check your setup

CNAM is a caller-name lookup used chiefly in North America. The receiving carrier may query a database for a display name associated with the originating number, commonly within a 15-character field.

The receiving network, its database and the handset contacts can all affect what appears. CallGlobal does not list CNAM registration as an included service.

Where the CallGlobal line fits

Your number account provides the public telephone identity, its communication controls and the SIP credentials for compatible software. Other capabilities belong to the application or phone system you choose.

Review the live product feature list before relying on an additional function. Number porting, hosted IVR, voicemail, call recording and a public customer API are not included.

Protect the line and the account

  • Keep account and SIP passwords private, including in support screenshots.
  • Confirm the active rental term before relying on incoming communication.
  • Use the complete international number and only an authorized caller identity.

Frequently asked questions

What does this term describe?

CNAM is a caller-name lookup used chiefly in North America. The receiving carrier may query a database for a display name associated with the originating number, commonly within a 15-character field.

How does this affect practical configuration?

The receiving network, its database and the handset contacts can all affect what appears. CallGlobal does not list CNAM registration as an included service.

Does every telephone concept name an included product feature?

No. A glossary explains terminology. The product feature page and your number dashboard identify the functions provided with a CallGlobal line.

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