Source note · Troubleshooting number port rejections
The federal port-out fraud protections in 47 CFR 52.37 apply to CMRS (wireless) providers, including resellers of wireless service, and not to wireline or VoIP providers.
Checked 2026-10-01
- Vendor
- not restricted
- Product
- not restricted
- Subsystem
- port-out-fraud
- Deployment
- carrier
- Region
- us
- Release range
- current as of 2026-10-01
- Checked
- 2026-10-01
Sources
- 47 CFR § 52.37 - Number portability requirements for wireless providers — Legal Information Institute (Cornell Law School), reproducing the Code of Federal Regulations · tier 1 standards and regulators · 47 CFR 52.37(a)
Cite this note
APA
WarmTransfer. (2026, October 1). Troubleshooting number port rejections: source note number-port-rejections-port-out-rule-cmrs-only. WarmTransfer. https://warmtransfer.net/knowledge/claims/number-port-rejections-port-out-rule-cmrs-only
BibTeX
@misc{warmtransfer-claim-number-port-rejections-port-out-rule-cmrs-only,
title = {Troubleshooting number port rejections: source note number-port-rejections-port-out-rule-cmrs-only},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/number-port-rejections-port-out-rule-cmrs-only},
note = {Source note number-port-rejections-port-out-rule-cmrs-only, checked 2026-10-01}
}