---
type: "Bill"
title: "New area codes: telephone number assignment."
description: "New area codes: telephone number assignment."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "19992000"
identifier: "AB 406"
citation: "California AB 406 (19992000)"
classification: ["bill"]
subjects: ["New area codes: telephone number assignment."]
status: "enacted"
primary_sponsors: ["Knox"]
version_count: 5
action_count: 19
vote_count: 7
first_action: "1999-02-12"
last_action: "1999-10-10"
source: "openstates"
source_identifier: "ocd-bill/53c8187b-8642-4aea-8092-63e0791da362"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=199920000AB406"
source_hash: "7ee9cf7041945da56c5e0568a91265286de8d937bc5aadcb0cfb6c2e5ed5dad6"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-ca"]
---

# California AB 406 (19992000) — New area codes: telephone number assignment.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **02/12/99 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB406&version=19990AB40699INT)
2. **09/09/99 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB406&version=19990AB40698AMD)
3. **10/10/99 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB406&version=19990AB40696CHP)
4. **AB406** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=199920000AB406)
5. **09/10/99 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=199920000AB406&version=19990AB40697ENR)

## Votes

- AB 406 KNOX CONCURRENCE URGENCY ADDED — **pass** (pass) · lower
- Do pass. — **pass** (pass) · lower
- Inactive File AB406 Knox By Bowen — **pass** (pass) · upper
- Do pass, but re-refer to the Committee on Appropriations. — **pass** (pass) · upper
- Do pass. — **pass** (pass) · upper
- AB 406 KNOX THIRD READING — **pass** (pass) · lower
- Do pass and be re-referred to the Committee on Appropriations. — **pass** (pass) · lower

## Sponsors

- Knox — primary (person)
- Alquist — coauthor (person)
- Briggs — coauthor (person)
- Calderon — coauthor (person)
- Cox — coauthor (person)
- Kuehl — coauthor (person)
- Longville — coauthor (person)
- Romero — coauthor (person)
- Villaraigosa — author (person)
- Washington — coauthor (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **1999-10-10** Chaptered by Secretary of State - Chapter 809, Statutes of 1999.
- **1999-10-08** Approved by the Governor. `executive-signature`
- **1999-09-22** Enrolled and to the Governor at 4 p.m.
- **1999-09-10** Urgency clause adopted. Senate amendments concurred in. To enrollment. (Ayes 79. Noes 1. Page 4325.) `committee-passage-favorable, amendment-passage`
- **1999-09-09** In Assembly. Concurrence in Senate amendments pending.
- **1999-09-09** From inactive file. To third reading. Read third time. Amended. Senate Rule 29.3 suspended. Read third time, passed, and to Assembly. (Ayes 36. Noes 0. Page 3172.) `passage, reading-3, reading-1`
- **1999-08-30** To inactive file on motion of Senator Alpert.
- **1999-08-18** Read second time. To third reading. `reading-2, reading-1`
- **1999-08-17** From committee: Do pass. (Ayes 8. Noes 5.). `committee-passage, committee-passage-favorable`
- **1999-07-15** From committee: Do pass, and re-refer to Standing Committee on Appropriations Re-referred. (Ayes 11. Noes 2.). `committee-passage, committee-passage-favorable, referral-committee`
- **1999-06-02** Referred to Standing Committee on Education. `referral-committee`
- **1999-05-25** In Senate. Read first time. To Standing Committee on Rules for assignment. `reading-1`
- **1999-05-24** Read third time, passed, and to Senate. (Ayes 48. Noes 29. Page 1819.) `passage, reading-3, reading-1`
- **1999-05-17** Read second time. To third reading. `reading-2, reading-1`
- **1999-05-13** From committee: Do pass. (Ayes 14. Noes 7.) (May 12). `committee-passage, committee-passage-favorable`
- **1999-04-22** From committee: Do pass, and re-refer to Standing Committee on Appropriations Re-referred. (Ayes 8. Noes 4.) (April 20). `committee-passage, committee-passage-favorable, referral-committee`
- **1999-02-25** Referred to Standing Committee on Higher Education. `referral-committee`
- **1999-02-16** From printer. May be heard in committee March 18.
- **1999-02-12** Read first time. To print. `reading-1`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/53c8187b-8642-4aea-8092-63e0791da362`. Confidence: reported (aggregated from official California legislature records).