California
Area Codes List: 209, 213, 310, 323, 408, 415, 424, 442, 510, 530, 559, 562, 619, 626,
650, 657,661, 669, 707, 714, 747, 760, 805, 818, 831, 858, 909, 916, 925, 949, 951
| Prefix | City | Company | Type | Introduced |
| 530294 | Adin, CA | Citizens Telecom Ca. DBA Frontier Com Of Ca | Landline | 01/25/1998 |
| 530299 | Adin, CA | Citizens Telecom Ca. DBA Frontier Com Of Ca | Landline | 01/25/1998 |
| 530287 | Alleghany, CA | Pacific Bell | Landline | 01/25/1998 |
| 530289 | Alleghany, CA | Pacific Bell | Landline | 01/25/1998 |
| 530290 | Alleghany, CA | Teleport Communications Group – San Francisco | Landline | 02/27/1999 |
| 530325 | Alleghany, CA | Pac – West Telecomm | Landline | 05/10/1999 |
| 530429 | Alleghany, CA | Pac – West Telecomm | Landline | 10/13/1999 |
| 530447 | Alleghany, CA | Sbc Internet Services | Landline | 11/20/2009 |
| 530466 | Alleghany, CA | Pac – West Telecomm | Landline | 10/13/1999 |
| 530535 | Alleghany, CA | O1 Communications | Landline | 07/22/1999 |
| 530233 | Alturas, CA | Citizens Telecom Ca. DBA Frontier Com Of Ca | Landline | 01/25/1998 |
| 530640 | Alturas, CA | United States Cellular Corp. – California | Cell Number | 11/20/1998 |
| 530708 | Alturas, CA | Cellco Partnership DBA Verizon Wireless | Cell Number | 11/24/2004 |
| 530360 | Anderson, CA | Metro PCS | Cell Number | 06/18/2012 |
| 530364 | Anderson, CA | Pac – West Telecomm | Landline | 02/27/1999 |
| 530365 | Anderson, CA | Pacific Bell | Landline | 01/25/1998 |
| 530378 | Anderson, CA | Pacific Bell | Landline | 01/25/1998 |
| 530476 | Arbuckle, CA | Citizens Telecomm DBA Frontier Comm Golden State | Landline | 01/25/1998 |
| 530508 | Arbuckle, CA | O1 Communications | Landline | 07/22/1999 |
| 530654 | Arbuckle, CA | Pac – West Telecomm | Landline | 07/22/1999 |
| 530724 | Arbuckle, CA | Pacific Bell | Landline | 01/25/1998 |
| 530202 | Auburn, CA | American Messaging Services | Cell Number | 05/10/1999 |
| 530210 | Auburn, CA | Sprint Spectrum L.p. | Cell Number | 05/18/1998 |
| 530217 | Auburn, CA | O1 Communications | Landline | 05/10/1999 |
| 530269 | Auburn, CA | Pacific Bell | Landline | 01/25/1998 |
| 530305 | Auburn, CA | New Cingular Wireless PCS | Cell Number | 11/20/1998 |
| 530308 | Auburn, CA | Sprint Spectrum L.p. | Cell Number | 05/18/1998 |
| 530320 | Auburn, CA | Cellco Partnership DBA Verizon Wireless | Cell Number | 11/20/1998 |
| 530328 | Auburn, CA | Pac – West Telecomm | Landline | 05/10/1999 |
| 530368 | Auburn, CA | New Cingular Wireless PCS | Cell Number | 05/18/2001 |
| 530377 | Auburn, CA | O1 Communications | Landline | 11/29/2001 |
| 530381 | Auburn, CA | American Messaging (am) | Cell Number | 07/22/1999 |
| 530392 | Auburn, CA | Sprint Spectrum L.p. | Cell Number | 10/31/2000 |
| 530401 | Auburn, CA | Teleport Communications Group – San Francisco | Landline | 02/27/1999 |
| 530485 | Auburn, CA | Pac – West Telecomm | Landline | 10/13/1999 |
| 530488 | Auburn, CA | Xo California | Landline | 12/07/2012 |
| 530492 | Auburn, CA | Cebridge Telecom Ca DBA Suddenlink Comms | Landline | 02/11/2014 |
| 530613 | Auburn, CA | New Cingular Wireless PCS | Cell Number | 01/25/1998 |
| 530653 | Auburn, CA | Pac – West Telecomm | Landline | 07/22/1999 |
| 530718 | Auburn, CA | Cellco Partnership DBA Verizon Wireless | Cell Number | 03/05/2010 |
| 530728 | Auburn, CA | Cebridge Telecom Ca DBA Suddenlink Comms | Landline | 02/11/2014 |
| 530745 | Auburn, CA | Pacific Bell | Landline | 01/14/2000 |
| 530820 | Auburn, CA | Global Crossing Local Services-ca | Landline | 02/27/1999 |
| 530823 | Auburn, CA | Pacific Bell | Landline | 01/25/1998 |
| 530830 | Auburn, CA | U.s. Telepacific Corp. | Landline | 08/01/2007 |
| 530863 | Auburn, CA | T-mobile Usa | Cell Number | 04/15/2002 |
| 530878 | Auburn, CA | Pacific Bell | Landline | 01/25/1998 |
| 530883 | Auburn, CA | Pac – West Telecomm | Landline | 01/25/1998 |
| 530885 | Auburn, CA | Pacific Bell | Landline | 01/25/1998 |
| 530886 | Auburn, CA | Pacific Bell | Landline | 01/25/1998 |
| 530887 | Auburn, CA | Pacific Bell | Landline | 01/25/1998 |
| 530888 | Auburn, CA | Pacific Bell | Landline | 01/25/1998 |
| 530889 | Auburn, CA | Pacific Bell | Landline | 01/25/1998 |
| 530906 | Auburn, CA | Cellco Partnership DBA Verizon Wireless | Cell Number | 05/18/1998 |
| 530996 | Auburn, CA | American Messaging Services | Cell Number | 01/14/2000 |
| 530461 | Bangor, CA | Sbc Internet Services | Landline | 12/19/2011 |
| 530603 | Bangor, CA | Mpower Networks Services Inc. | Landline | 12/14/2006 |
| 530679 | Bangor, CA | Pacific Bell | Landline | 01/25/1998 |
| 530730 | Bangor, CA | Pac – West Telecomm | Landline | 10/13/1999 |
| 530549 | Bella Vista, CA | Citizens Telecom Ca. DBA Frontier Com Of Ca | Landline | 01/25/1998 |
| 530370 | Biggs, CA | New Cingular Wireless PCS | Cell Number | 11/20/1998 |
| 530431 | Biggs, CA | Pac – West Telecomm | Landline | 10/13/1999 |
| 530531 | Biggs, CA | O1 Communications | Landline | 07/22/1999 |
| 530868 | Biggs, CA | Pacific Bell | Landline | 01/25/1998 |
| 530869 | Biggs, CA | Pac – West Telecomm | Landline | 01/25/1998 |
| 530882 | Biggs, CA | Pacific Bell | Landline | 01/25/1998 |
| 530316 | Blairsden, CA | Pac – West Telecomm | Landline | 03/18/2007 |
| 530480 | Blairsden, CA | Pac – West Telecomm | Landline | 10/13/1999 |
| 530836 | Blairsden, CA | Pacific Bell | Landline | 01/25/1998 |
| 530204 | Broderick, CA | O1 Communications | Landline | 05/10/1999 |
| 530335 | Burney, CA | Citizens Telecom Ca. DBA Frontier Com Of Ca | Landline | 01/25/1998 |
| 530517 | Butte City, CA | New Cingular Wireless PCS | Cell Number | 01/25/1998 |
| 530884 | Butte City, CA | Pac – West Telecomm | Landline | 01/25/1998 |
| 530982 | Butte City, CA | Pacific Bell | Landline | 01/25/1998 |
| 530644 | Camino, CA | Pacific Bell | Landline | 01/25/1998 |
| 530647 | Camino, CA | Pacific Bell | Landline | 01/25/1998 |
| 530285 | Camptonville, CA | Teleport Communications Group – San Francisco | Landline | 02/27/1999 |
| 530288 | Camptonville, CA | Pacific Bell | Landline | 01/25/1998 |
| 530463 | Camptonville, CA | Pac – West Telecomm | Landline | 10/13/1999 |
| 530522 | Camptonville, CA | O1 Communications | Landline | 07/22/1999 |
| 530279 | Cedarville, CA | Citizens Telecom Ca. DBA Frontier Com Of Ca | Landline | 01/25/1998 |
| 530569 | Cedarville, CA | Cellco Partnership DBA Verizon Wireless | Cell Number | 11/24/2004 |
| 530236 | Challenge, CA | Pac – West Telecomm | Landline | 01/25/1998 |
| 530675 | Challenge, CA | Pacific Bell | Landline | 01/25/1998 |
| 530772 | Challenge, CA | O1 Communications | Landline | 03/21/2002 |
| 530258 | Chester, CA | Citizens Telecom Ca. DBA Frontier Com Of Ca | Landline | 01/25/1998 |
| 530259 | Chester, CA | Citizens Telecom Ca. DBA Frontier Com Of Ca | Landline | 01/25/1998 |
| 530816 | Chester, CA | Cellco Partnership DBA Verizon Wireless | Cell Number | 11/24/2004 |
| 530228 | Chico, CA | Cellco Partnership DBA Verizon Wireless | Cell Number | 05/10/1999 |
| 530230 | Chico, CA | Pac – West Telecomm | Landline | 05/10/1999 |
| 530267 | Chico, CA | Pac – West Telecomm | Landline | 02/27/1999 |
| 530321 | Chico, CA | Sprint Spectrum L.p. | Cell Number | 02/27/1999 |
| 530327 | Chico, CA | Pac – West Telecomm | Landline | 05/10/1999 |
| 530332 | Chico, CA | Pacific Bell | Landline | 11/20/1998 |
| 530342 | Chico, CA | Pacific Bell | Landline | 01/25/1998 |
| 530343 | Chico, CA | Pacific Bell | Landline | 01/25/1998 |
| 530345 | Chico, CA | Pacific Bell | Landline | 01/25/1998 |
| 530350 | Chico, CA | Xo California | Landline | 01/29/2002 |
| 530354 | Chico, CA | Metro PCS | Cell Number | 11/29/2001 |
| 530433 | Chico, CA | U.s. Telepacific Corp. | Landline | 12/20/2011 |
| 530487 | Chico, CA | Sbc Internet Services | Landline | 09/17/2010 |
| 530513 | Chico, CA | Cellco Partnership DBA Verizon Wireless | Cell Number | 05/18/1998 |
| 530514 | Chico, CA | Cellco Partnership DBA Verizon Wireless | Cell Number | 05/18/1998 |
| 530516 | Chico, CA | American Messaging (am) | Cell Number | 11/20/1998 |
| 530518 | Chico, CA | New Cingular Wireless PCS | Cell Number | 01/25/1998 |
| 530519 | Chico, CA | Cellco Partnership DBA Verizon Wireless | Cell Number | 05/18/1998 |
| 530520 | Chico, CA | Cellco Partnership DBA Verizon Wireless | Cell Number | 05/18/1998 |
| 530521 | Chico, CA | New Cingular Wireless PCS | Cell Number | 01/25/1998 |
| 530540 | Chico, CA | Pac – West Telecomm | Landline | 01/25/1998 |
| 530566 | Chico, CA | Pacific Bell | Landline | 08/20/2000 |
| 530570 | Chico, CA | New Cingular Wireless PCS | Cell Number | 01/25/1998 |
| 530571 | Chico, CA | Pac – West Telecomm | Landline | 01/25/1998 |
| 530588 | Chico, CA | New Cingular Wireless PCS | Landline | 01/03/2005 |
| 530591 | Chico, CA | T-mobile Usa | Cell Number | 01/29/2002 |
| 530592 | Chico, CA | O1 Communications | Landline | 10/31/2000 |
| 530624 | Chico, CA | Sprint Spectrum L.p. | Cell Number | 05/10/1999 |
| 530636 | Chico, CA | Bandwidth.com Clec | Landline | 04/02/2008 |
| 530680 | Chico, CA | New Cingular Wireless PCS | Cell Number | 11/20/1998 |
| 530715 | Chico, CA | Bandwidth.com Clec | Landline | 04/28/2009 |
| 530717 | Chico, CA | U.s. Telepacific Corp. | Landline | 06/18/2009 |
| 530720 | Chico, CA | Cellco Partnership DBA Verizon Wireless | Cell Number | 07/06/2010 |
| 530762 | Chico, CA | Sbc Internet Services | Landline | 07/28/2011 |
| 530774 | Chico, CA | Sprint Spectrum L.p. | Landline | 03/22/2001 |
| 530781 | Chico, CA | U.s. Telepacific Corp. | Landline | 08/17/2005 |
| 530800 | Chico, CA | Vaya Telecom | Landline | 10/21/2009 |
| 530801 | Chico, CA | Teleport Communications Group – San Francisco | Landline | 09/15/2010 |
| 530809 | Chico, CA | Comcast Phone Of California | Landline | 06/28/2006 |
| 530828 | Chico, CA | Sprint Spectrum L.p. | Cell Number | 08/21/2002 |
| 530864 | Chico, CA | New Cingular Wireless PCS | Cell Number | 08/20/2000 |
| 530879 | Chico, CA | Pacific Bell | Landline | 01/25/1998 |
| 530891 | Chico, CA | Pacific Bell | Landline | 01/25/1998 |
| 530892 | Chico, CA | Pacific Bell | Landline | 01/25/1998 |
| 530893 | Chico, CA | Pacific Bell | Landline | 01/25/1998 |
| 530894 | Chico, CA | Pacific Bell | Landline | 01/25/1998 |
| 530895 | Chico, CA | Pacific Bell | Landline | 01/25/1998 |
| 530896 | Chico, CA | Pacific Bell | Landline | 01/25/1998 |
| 530897 | Chico, CA | Pacific Bell | Landline | 01/25/1998 |
| 530898 | Chico, CA | Pacific Bell | Landline | 01/25/1998 |
| 530899 | Chico, CA | Pacific Bell | Landline | 01/25/1998 |
| 530924 | Chico, CA | Level 3 Communications | Landline | 06/03/2005 |
| 530961 | Chico, CA | Brooks Fiber Communications Of California | Landline | 07/17/2003 |
| 530965 | Chico, CA | Hypercube Telecom | Landline | 03/22/2001 |
| 530966 | Chico, CA | Cellco Partnership DBA Verizon Wireless | Cell Number | 01/14/2000 |
| 530495 | Coleville, CA | Frontier Communications Of The Southwest Inc | Landline | 01/25/1998 |
| 530323 | Colfax, CA | Pac – West Telecomm | Landline | 05/10/1999 |
| 530346 | Colfax, CA | Verizon California Inc.-ca | Landline | 01/25/1998 |
| 530349 | Colfax, CA | Teleport Communications Group – San Francisco | Landline | 02/27/1999 |
| 530382 | Colfax, CA | American Messaging (am) | Cell Number | 07/22/1999 |
| 530422 | Colfax, CA | Pac – West Telecomm | Landline | 10/13/1999 |
| 530512 | Colfax, CA | O1 Communications | Landline | 07/22/1999 |
| 530637 | Colfax, CA | Verizon California Inc.-ca | Landline | 01/25/1998 |
| 530458 | Colusa, CA | Citizens Telecomm DBA Frontier Comm Golden State | Landline | 01/25/1998 |
| 530619 | Colusa, CA | Comcast Phone Of California | Landline | 03/04/2009 |
| 530424 | Corning, CA | Pac – West Telecomm | Landline | 10/13/1999 |
| 530586 | Corning, CA | New Cingular Wireless PCS | Cell Number | 03/03/2001 |
| 530689 | Corning, CA | Pac – West Telecomm | Landline | 07/22/1999 |
| 530824 | Corning, CA | Pacific Bell | Landline | 01/25/1998 |
| 530838 | Corning, CA | Pacific Bell | Landline | 01/14/2000 |
| 530839 | Corning, CA | Pacific Bell | Landline | 01/25/1998 |
| 530861 | Corning, CA | O1 Communications | Landline | 04/15/2002 |
| 530900 | Corning, CA | Cf Communications DBA Telekenex | Landline | 09/17/2012 |
| 530347 | Cottonwood, CA | Pacific Bell | Landline | 01/25/1998 |
| 530348 | Cottonwood, CA | Pac – West Telecomm | Landline | 02/27/1999 |
| 530281 | Crescent Mills, CA | Citizens Telecom Ca. DBA Frontier Com Of Ca | Landline | 01/25/1998 |
| 530219 | Davis, CA | New Cingular Wireless PCS | Cell Number | 05/10/1999 |
| 530220 | Davis, CA | T-mobile Usa | Cell Number | 12/26/2001 |
| 530297 | Davis, CA | Pacific Bell | Landline | 01/25/1998 |
| 530304 | Davis, CA | New Cingular Wireless PCS | Cell Number | 05/18/1998 |
| 530341 | Davis, CA | Allegiance Telecom | Landline | 06/30/2001 |
| 530372 | Davis, CA | American Messaging (am) | Cell Number | 07/22/1999 |
| 530400 | Davis, CA | New Cingular Wireless PCS | Cell Number | 01/25/1998 |
| 530574 | Davis, CA | New Cingular Wireless PCS | Cell Number | 01/14/2000 |
| 530601 | Davis, CA | New Cingular Wireless PCS | Cell Number | 01/29/2002 |
| 530746 | Davis, CA | AT&T Local | Landline | 08/20/2000 |
| 530747 | Davis, CA | Pacific Bell | Landline | 05/10/1999 |
| 530750 | Davis, CA | Pacific Bell | Landline | 01/25/1998 |
| 530752 | Davis, CA | Pacific Bell | Landline | 01/25/1998 |
| 530753 | Davis, CA | Pacific Bell | Landline | 01/25/1998 |
| 530754 | Davis, CA | Pacific Bell | Landline | 01/25/1998 |
| 530756 | Davis, CA | Pacific Bell | Landline | 01/25/1998 |
| 530757 | Davis, CA | Pacific Bell | Landline | 01/25/1998 |
| 530758 | Davis, CA | Pacific Bell | Landline | 01/25/1998 |
| 530759 | Davis, CA | Pacific Bell | Landline | 01/25/1998 |
| 530765 | Davis, CA | American Messaging Services | Cell Number | 02/27/1999 |
| 530771 | Davis, CA | Mpower Communications Corp | Landline | 06/13/2000 |
| 530792 | Davis, CA | Pacific Bell | Landline | 01/25/1998 |
| 530979 | Davis, CA | Sprint Spectrum L.p. | Cell Number | 06/26/2001 |
| 530397 | Dorris, CA | California – Oregon Telephone Co. | Landline | 01/25/1998 |
| 530398 | Dorris, CA | California – Oregon Telephone Co. | Landline | 01/25/1998 |
| 530235 | Dunsmuir, CA | Pacific Bell | Landline | 01/25/1998 |
| 530500 | Dunsmuir, CA | Snowcrest Telephone, Inc -ca | Landline | 03/28/2011 |
| 530678 | Dunsmuir, CA | Pac – West Telecomm | Landline | 07/22/1999 |
| 530203 | Elk Creek, CA | Mpower Communications Corp | Landline | 10/31/2001 |
| 530484 | Elk Creek, CA | Pac – West Telecomm | Landline | 10/13/1999 |
| 530968 | Elk Creek, CA | Pacific Bell | Landline | 01/25/1998 |
| 530507 | Esparto, CA | O1 Communications | Landline | 07/22/1999 |
| 530658 | Esparto, CA | Pac – West Telecomm | Landline | 07/22/1999 |
| 530787 | Esparto, CA | Pacific Bell | Landline | 01/25/1998 |
| 530467 | Etna, CA | Siskiyou Telephone Co. | Landline | 01/25/1998 |
| 530336 | Fall River Mills, CA | Citizens Telecom Ca. DBA Frontier Com Of Ca | Landline | 01/25/1998 |
| 530481 | Flournoy, CA | Pac – West Telecomm | Landline | 10/13/1999 |
| 530585 | Flournoy, CA | Ducor Telephone Co. | Landline | 01/25/1998 |
| 530793 | Flournoy, CA | O1 Communications | Landline | 07/17/2002 |
| 530833 | Flournoy, CA | Pacific Bell | Landline | 01/25/1998 |
| 530367 | Foresthill, CA | Foresthill Telephone Co. | Landline | 01/25/1998 |
| 530462 | Forks Of Salmon, CA | Siskiyou Telephone Co. | Landline | 01/25/1998 |
| 530946 | Fort Bidwell, CA | Centurytel Of Oregon DBA Centurylink | Landline | 01/25/1998 |
| 530468 | Fort Jones, CA | Siskiyou Telephone Co. | Landline | 01/25/1998 |
| 530266 | French Gulch, CA | Happy Valley Telephone Co. | Landline | 01/25/1998 |
| 530286 | French Gulch, CA | Happy Valley Telephone Co. | Landline | 01/25/1998 |
| 530359 | French Gulch, CA | Pacific Bell | Landline | 01/25/1998 |
| 530380 | French Gulch, CA | Pac – West Telecomm | Landline | 01/25/1998 |
| 530404 | French Gulch, CA | O1 Communications | Landline | 06/30/2001 |
| 530423 | French Gulch, CA | Pac – West Telecomm | Landline | 10/13/1999 |
| 530623 | French Gulch, CA | Verizon California Inc.-ca | Landline | 01/25/1998 |
| 530734 | French Gulch, CA | Pac – West Telecomm | Landline | 10/13/1999 |
| 530778 | French Gulch, CA | Pacific Bell | Landline | 01/25/1998 |
| 530784 | French Gulch, CA | New Cingular Wireless PCS | Cell Number | 05/17/2002 |
| 530333 | Georgetown, CA | Pacific Bell | Landline | 01/25/1998 |
| 530334 | Georgetown, CA | O1 Communications | Landline | 02/27/1999 |
| 530444 | Georgetown, CA | Cf Communications DBA Telekenex | Landline | 03/30/2012 |
| 530457 | Georgetown, CA | Pac – West Telecomm | Landline | 10/13/1999 |
| 530385 | Gerber, CA | Pacific Bell | Landline | 01/25/1998 |
| 530732 | Gerber, CA | Pac – West Telecomm | Landline | 10/13/1999 |
| 530826 | Glenn, CA | Pacific Bell | Landline | 01/25/1998 |
| 530205 | Grass Valley, CA | O1 Communications | Landline | 05/10/1999 |
| 530263 | Grass Valley, CA | New Cingular Wireless PCS | Cell Number | 05/10/1999 |
| 530270 | Grass Valley, CA | Pac – West Telecomm | Landline | 01/25/1998 |
| 530271 | Grass Valley, CA | Pacific Bell | Landline | 01/25/1998 |
| 530272 | Grass Valley, CA | Pacific Bell | Landline | 01/25/1998 |
| 530273 | Grass Valley, CA | Pacific Bell | Landline | 01/25/1998 |
| 530274 | Grass Valley, CA | Pacific Bell | Landline | 01/25/1998 |
| 530277 | Grass Valley, CA | Cellco Partnership DBA Verizon Wireless | Cell Number | 11/20/1998 |
| 530374 | Grass Valley, CA | American Messaging (am) | Cell Number | 07/22/1999 |
| 530388 | Grass Valley, CA | Teleport Communications Group – San Francisco | Landline | 02/27/1999 |
| 530389 | Grass Valley, CA | Pacific Bell | Landline | 01/25/1998 |
| 530445 | Grass Valley, CA | American Messaging Services | Cell Number | 02/27/1999 |
| 530446 | Grass Valley, CA | Cebridge Telecom Ca DBA Suddenlink Comms | Landline | 02/11/2014 |
| 530464 | Grass Valley, CA | Pac – West Telecomm | Landline | 10/13/1999 |
| 530477 | Grass Valley, CA | Pacific Bell | Landline | 01/25/1998 |
| 530559 | Grass Valley, CA | Cellco Partnership DBA Verizon Wireless | Cell Number | 08/20/2000 |
| 530575 | Grass Valley, CA | New Cingular Wireless PCS | Cell Number | 04/20/2001 |
| 530615 | Grass Valley, CA | T-mobile Usa | Cell Number | 12/31/2007 |
| 530798 | Grass Valley, CA | T-mobile Usa | Cell Number | 03/21/2002 |
| 530802 | Grass Valley, CA | Bandwidth.com Clec | Landline | 09/08/2010 |
| 530913 | Grass Valley, CA | Cellco Partnership DBA Verizon Wireless | Cell Number | 11/20/1998 |
| 530284 | Greenville, CA | Citizens Telecom Ca. DBA Frontier Com Of Ca | Landline | 01/25/1998 |
| 530435 | Grenada, CA | Pacific Bell | Landline | 01/25/1998 |
| 530436 | Grenada, CA | Pacific Bell | Landline | 01/25/1998 |
| 530731 | Grenada, CA | Pac – West Telecomm | Landline | 10/13/1999 |
| 530733 | Grenada, CA | Pac – West Telecomm | Landline | 10/13/1999 |
| 530456 | Gridley, CA | Pac – West Telecomm | Landline | 10/13/1999 |
| 530594 | Gridley, CA | Brooks Fiber Communications Of California | Landline | 11/25/2013 |
| 530797 | Gridley, CA | Level 3 Communications | Landline | 07/12/2005 |
| 530846 | Gridley, CA | Pacific Bell | Landline | 01/25/1998 |
| 530796 | Guinda, CA | Global Valley Networks | Landline | 01/25/1998 |
| 530493 | Happy Camp, CA | Siskiyou Telephone Co. | Landline | 01/25/1998 |
| 530628 | Hayfork, CA | Verizon California Inc.-ca | Landline | 01/25/1998 |
| 530706 | Hayfork, CA | Pac – West Telecomm | Landline | 01/25/1998 |
| 530475 | Hornbrook, CA | Pacific Bell | Landline | 01/25/1998 |
| 530729 | Hornbrook, CA | Pac – West Telecomm | Landline | 10/13/1999 |
| 530352 | Igo, CA | Happy Valley Telephone Co. | Landline | 01/25/1998 |
| 530253 | Janesville, CA | Citizens Telecom Ca. DBA Frontier Com Of Ca | Landline | 01/25/1998 |
| 530465 | Klamath River, CA | Siskiyou Telephone Co. | Landline | 01/25/1998 |
| 530421 | Knights Landing, CA | Pac – West Telecomm | Landline | 10/13/1999 |
| 530506 | Knights Landing, CA | O1 Communications | Landline | 07/22/1999 |
| 530735 | Knights Landing, CA | Verizon California Inc.-ca | Landline | 01/25/1998 |
| 530738 | Knights Landing, CA | Verizon California Inc.-ca | Landline | 01/25/1998 |
| 530596 | Lake Almanor, CA | Citizens Telecomm DBA Frontier Comm Golden State | Landline | 01/25/1998 |
| 530238 | Lakehead, CA | Pacific Bell | Landline | 01/25/1998 |
| 530688 | Lakehead, CA | Pac – West Telecomm | Landline | 07/22/1999 |
| 530962 | Lakehead, CA | O1 Communications | Landline | 04/20/2001 |
| 530739 | Lewiston, CA | United States Cellular Corp. – California | Cell Number | 04/27/2005 |
| 530455 | Live Oak, CA | Pac – West Telecomm | Landline | 10/13/1999 |
| 530617 | Live Oak, CA | U.s. Telepacific Corp. | Landline | 01/29/2008 |
| 530695 | Live Oak, CA | Pacific Bell | Landline | 01/25/1998 |
| 530200 | Los Molinos, CA | New Cingular Wireless PCS | Cell Number | 01/25/1998 |
| 530384 | Los Molinos, CA | Pacific Bell | Landline | 01/25/1998 |
| 530390 | Los Molinos, CA | Pac – West Telecomm | Landline | 01/25/1998 |
| 530576 | Los Molinos, CA | O1 Communications | Landline | 03/03/2001 |
| 530873 | Magalia, CA | Pacific Bell | Landline | 01/25/1998 |
| 530694 | Markleeville, CA | Frontier Communications Of The Southwest Inc | Landline | 01/25/1998 |
| 530216 | Marysville, CA | O1 Communications | Landline | 05/10/1999 |
| 530218 | Marysville, CA | New Cingular Wireless PCS | Cell Number | 01/25/1998 |
| 530237 | Marysville, CA | Pac – West Telecomm | Landline | 05/10/1999 |
| 530300 | Marysville, CA | New Cingular Wireless PCS | Cell Number | 06/30/2001 |
| 530301 | Marysville, CA | New Cingular Wireless PCS | Cell Number | 01/25/1998 |
| 530315 | Marysville, CA | Metro PCS | Cell Number | 11/29/2001 |
| 530329 | Marysville, CA | New Cingular Wireless PCS | Landline | 10/31/2001 |
| 530373 | Marysville, CA | American Messaging (am) | Cell Number | 07/22/1999 |
| 530415 | Marysville, CA | Sprint Spectrum L.p. | Cell Number | 01/25/2001 |
| 530434 | Marysville, CA | Cellco Partnership DBA Verizon Wireless | Landline | 01/03/2012 |
| 530491 | Marysville, CA | Peerless Network Of California | Landline | 03/08/2013 |
| 530632 | Marysville, CA | Cellco Partnership DBA Verizon Wireless | Cell Number | 11/20/1998 |
| 530634 | Marysville, CA | Pacific Bell | Landline | 01/25/1998 |
| 530635 | Marysville, CA | Cellco Partnership DBA Verizon Wireless | Cell Number | 11/20/1998 |
| 530645 | Marysville, CA | Global Crossing Local Services-ca | Landline | 02/27/1999 |
| 530682 | Marysville, CA | Sprint Spectrum L.p. | Cell Number | 11/20/1998 |
| 530701 | Marysville, CA | Cellco Partnership DBA Verizon Wireless | Cell Number | 01/25/1998 |
| 530713 | Marysville, CA | New Cingular Wireless PCS | Cell Number | 01/25/1998 |
