Source note · Troubleshooting number port rejections
The FCC clarified that providers may require no more than four fields to validate a simple port: the 10-digit telephone number, the customer account number, the 5-digit ZIP code and a passcode if applicable.
Checked 2026-10-01
- Vendor
- not restricted
- Product
- not restricted
- Subsystem
- lnp-validation
- Deployment
- carrier
- Region
- us
- Release range
- current as of 2026-10-01
- Checked
- 2026-10-01
Sources
- Local Number Portability Porting Interval and Validation Requirements, Report and Order and Further Notice of Proposed Rulemaking (FCC 09-41) — Federal Communications Commission · tier 1 standards and regulators · FCC 09-41, para. 8 and n.32 (referring to the 2007 clarification)
Cite this note
APA
WarmTransfer. (2026, October 1). Troubleshooting number port rejections: source note number-port-rejections-four-validation-fields. WarmTransfer. https://warmtransfer.net/knowledge/claims/number-port-rejections-four-validation-fields
BibTeX
@misc{warmtransfer-claim-number-port-rejections-four-validation-fields,
title = {Troubleshooting number port rejections: source note number-port-rejections-four-validation-fields},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/number-port-rejections-four-validation-fields},
note = {Source note number-port-rejections-four-validation-fields, checked 2026-10-01}
}