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628 Area Code

Area code 628 is in California (CA), USA and some of the main locations it covers are San Francisco, Mill Valley, San Anselmo, etc. (jump to city list below).

In service since March 21, 2015, area code 628 is an overlay Numbering Plan Area, part of overlay complex 415/628 (overlaying NPAs cover the same area).

The current time for places served by area code 628 is 02:11:21 PM (Pacific Time Zone).

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Map of area code 628

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628 phone number location

NPANXX	Area served¹	Date²
628-200	San Francisco	N/A
628-201	San Francisco	12/1/2015
628-202	Belvedere	4/1/2016
628-203	Stinson Beach/ Bolinas	6/27/2016
628-204	Nicasio	7/1/2016
628-205	San Francisco	7/27/2016
628-206	San Francisco	6/2/2015
628-207	San Francisco [Montrose/ Evergreen]	7/29/2016
628-208	San Francisco	8/9/2016
628-209	Novato	12/15/2016
628-210	Inverness	9/19/2016
628-212	Corte Madera	9/20/2016
628-213	San Francisco	12/1/2016
628-214	Novato	9/20/2016
628-215	Mill Valley	9/20/2016
628-216	Point Reyes	9/20/2016
628-217	San Francisco	8/22/2016
628-218	San Francisco	6/16/2017
628-219	San Francisco [Montrose/ Evergreen]	7/27/2017
628-220	San Francisco	2/12/2016
628-221	San Francisco	7/14/2015
628-222	San Francisco	9/29/2014
628-223	San Francisco	9/16/2015
628-224	San Francisco [Montrose/ Evergreen]	10/2/2015
628-225	San Francisco	10/2/2015
628-226	Belvedere	11/13/2015
628-227	San Francisco [Montrose/ Evergreen]	N/A
628-228	San Francisco	2/18/2016
628-229	Point Reyes	4/29/2016
628-230	San Francisco	1/18/2018
628-231	San Francisco	10/27/2015
628-232	Inverness	10/7/2014
628-233	San Francisco	10/5/2015
628-234	San Rafael	3/13/2015
628-235	San Francisco	12/1/2015
628-236	Novato	2/4/2016
628-237	Sausalito	3/4/2016
628-238	Ignacio	N/A
628-239	San Francisco	7/22/2016
628-240	San Rafael	9/20/2017
628-241	San Francisco	7/1/2016
628-242	San Francisco	4/10/2015
628-243	San Rafael	12/1/2015
628-244	Belvedere	8/22/2016
628-245	Mill Valley	7/14/2016
628-246	San Francisco	7/22/2016
628-247	San Francisco	7/19/2016
628-248	San Francisco [Montrose/ Evergreen]	7/19/2016
628-249	San Francisco	2/3/2017
628-250	San Francisco	10/4/2017
628-251	San Francisco	10/17/2016
628-252	Corte Madera	7/1/2016
628-253	San Rafael	7/25/2016
628-254	Sausalito	8/23/2016
628-255	San Francisco	2/10/2017
628-256	San Francisco [Montrose/ Evergreen]	10/17/2016
628-257	Mill Valley	10/28/2016
628-258	Nicasio	10/19/2017
628-259	Ignacio	10/26/2017
628-260	San Francisco	1/29/2018
628-261	Sausalito	N/A
628-262	Belvedere	2/23/2018
628-263	San Francisco	5/15/2018
628-264	San Francisco	12/5/2018
628-265	Inverness	2/6/2019
628-266	Corte Madera	3/11/2019
628-267	San Francisco	7/24/2019
628-268	San Francisco	8/26/2019
628-269	San Rafael	9/30/2019
628-270	San Francisco [Montrose/ Evergreen]	12/11/2018
628-271	San Francisco	N/A
628-272	Point Reyes	10/4/2019
628-273	San Francisco	3/27/2018
628-274	San Francisco	3/27/2018
628-275	San Francisco	3/27/2018
628-276	San Francisco	1/11/2021
628-277	San Rafael	1/29/2021
628-278	San Francisco [Montrose/ Evergreen]	1/10/2022
628-279	Sausalito	11/5/2021
628-280	San Francisco [Montrose/ Evergreen]	5/1/2018
628-281	San Francisco	01/11/2023
628-282	San Francisco [Juniper]	1/14/2022
628-283	San Francisco [Montrose/ Evergreen]	1/7/2022
628-284	San Francisco	6/17/2022
628-285	San Rafael	8/30/2022
628-286	San Francisco [Montrose/ Evergreen]	2/3/2020
628-287	San Francisco	04/07/2023
628-288	Mill Valley	3/19/2019
628-289	San Francisco	05/26/2023
628-290	San Francisco [Juniper]	07/13/2023
628-291	Mill Valley	08/04/2023
628-299	San Francisco	7/8/2021

NPANXX	Area served¹	Date²
628-300	San Francisco	3/17/2015
628-313	San Rafael	11/3/2021
628-321	San Francisco	9/15/2022
628-322	San Francisco	9/15/2022
628-323	San Francisco	9/15/2022
628-324	San Francisco	9/15/2022
628-325	San Francisco	9/15/2022
628-326	San Francisco	9/15/2022
628-333	San Francisco	N/A
628-336	San Rafael	3/19/2019
628-345	Point Reyes	8/25/2020
628-348	Belvedere	7/10/2020
628-356	Nicasio	11/22/2019
628-358	San Francisco	9/24/2021
628-363	San Francisco	3/6/2018
628-377	Ignacio	7/15/2021
628-386	Corte Madera	5/24/2022
628-388	Inverness	1/27/2021
628-399	San Francisco [Montrose/ Evergreen]	1/27/2021

NPANXX	Area served¹	Date²
628-400	San Francisco	10/1/2014
628-432	San Francisco [Montrose/ Evergreen]	9/17/2020
628-433	Ignacio	3/11/2019
628-444	San Francisco	9/30/2014
628-465	Sausalito	5/20/2019
628-466	San Francisco	4/6/2021
628-468	San Francisco	5/25/2021
628-477	Mill Valley	2/8/2021
628-488	San Francisco	2/22/2022

NPANXX	Area served¹	Date²
628-500	San Rafael	3/26/2015
628-502	San Francisco	11/9/2017
628-529	San Francisco	5/20/2019
628-561	Stinson Beach/ Bolinas	2/15/2018
628-577	Nicasio	7/15/2021
628-587	Novato	6/17/2021
628-588	San Francisco	2/9/2021

NPANXX	Area served¹	Date²
628-600	San Francisco	10/1/2014
628-626	San Francisco	11/4/2022
628-628	San Francisco	3/19/2019
628-629	San Francisco	12/19/2018
628-652	San Francisco	1/4/2018
628-666	Ignacio	N/A
628-667	San Rafael	11/17/2020
628-677	Mill Valley	7/15/2021
628-682	Novato	8/27/2020
628-688	San Francisco	7/10/2020
628-699	Sausalito	7/15/2021

NPANXX	Area served¹	Date²
628-724	Belvedere	11/16/2020
628-732	San Francisco	7/10/2020
628-754	San Francisco [Montrose/ Evergreen]	02/13/2023
628-758	San Francisco [Montrose/ Evergreen]	3/19/2019
628-766	Stinson Beach/ Bolinas	7/10/2020
628-777	San Francisco [Montrose/ Evergreen]	N/A
628-786	San Francisco	11/3/2020
628-788	San Francisco [Montrose/ Evergreen]	2/9/2021
628-789	San Francisco	5/27/2022

NPANXX	Area served¹	Date²
628-800	San Francisco	10/1/2014
628-842	Corte Madera	8/25/2020
628-866	Belvedere	7/15/2021
628-867	San Francisco	3/24/2017
628-877	Corte Madera	2/15/2016
628-888	San Rafael	N/A
628-895	San Francisco	2/3/2017
628-899	San Francisco [Montrose/ Evergreen]	2/29/2016

NPANXX	Area served¹	Date²
628-900	San Francisco	N/A
628-946	San Francisco	9/17/2020
628-977	San Francisco [Montrose/ Evergreen]	7/10/2020
628-999	San Francisco	N/A

For 'Area served' we list the rate center. In the North American Numbering Plan a rate center is a geographic area used to determine local calling boundaries for billing purposes. Its name is generally a locality, often not the only one served by an NPA-NXX combination.
Assignment date. N/A - mostly CO codes assigned before 2001.

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Cities in area code 628

City¹	County	Time²
Belvedere Tiburon	Marin	P
Bolinas	Marin	P
Corte Madera	Marin	P
Fairfax	Marin	P
Forest Knolls	Marin	P
Greenbrae	Marin	P
Inverness	Marin	P
Kentfield	Marin	P
Lagunitas	Marin	P
Larkspur	Marin	P
Marin City	Marin	P
Marshall	Marin	P
Mill Valley	Marin	P
Nicasio	Marin	P
Novato	Marin	P
Olema	Marin	P
Point Reyes Station	Marin	P
Ross	Marin	P
San Anselmo	Marin	P
San Francisco	San Francisco	P
San Geronimo	Marin	P
San Quentin	Marin	P
San Rafael	Marin	P
Sausalito	Marin	P
Stinson Beach	Marin	P
Woodacre	Marin	P

Listed above are most places served by area code 628. When multiple places in a state/province share the same name we list the largest one only. Cities with population over 50,000 are displayed in bold text.
P stands for Pacific Time Zone (currently 02:11:21 PM).

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628 Area Code

Reverse phone lookup

Map of area code 628

More California area codes

628 phone number location

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628-9XX-XXXX

Cities in area code 628