Local Calling Guide
Area code/prefix search
Riverdale, CA
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 559-428
| A |
|
515J IP HORIZON LLC |
728 |
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| 559-428
| 0 |
|
515J IP HORIZON LLC |
728 |
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| 559-428
| 1 |
|
515J IP HORIZON LLC |
728 |
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| 559-428
| 2 |
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515J IP HORIZON LLC |
728 |
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| 559-428
| 3 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
728 |
|
2010-08-29 |
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| 559-428
| 4 |
|
073H TELNYX LLC |
728 |
|
2018-07-10 |
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| 559-428
| 5 |
|
516C AT&T CORP. |
728 |
|
2010-10-26 |
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| 559-428
| 6 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
728 |
|
2020-06-19 |
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| 559-428
| 7 |
|
515J IP HORIZON LLC |
728 |
|
2022-10-20 |
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| 559-428
| 8 |
|
649C ONVOY, LLC - CA |
728 |
|
2021-07-22 |
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| 559-428
| 9 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
728 |
|
2012-12-28 |
|
| 559-632
| A |
FRSNCAVVDS0 |
7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA |
728 |
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| 559-632
| 0 |
|
649C ONVOY, LLC - CA |
728 |
|
2013-03-17 |
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| 559-632
| 1 |
|
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
728 |
|
2013-12-20 |
|
| 559-632
| 2 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
728 |
|
2025-01-12 |
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| 559-632
| 3 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
728 |
|
2014-05-28 |
|
| 559-632
| 4 |
|
7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA |
728 |
|
|
|
| 559-632
| 5 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
728 |
|
2015-02-16 |
|
| 559-632
| 7 |
|
318J COMCAST IP PHONE, LLC |
728 |
|
2006-09-30 |
|
| 559-632
| 8 |
|
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
728 |
|
2014-08-13 |
|
| 559-632
| 9 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
728 |
|
2016-09-19 |
|
| 559-742
| A |
FRSMCA150MD |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
728 |
|
|
|
| 559-742
| 0 |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
728 |
|
|
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| 559-742
| 1 |
|
624H ONVOY SPECTRUM, LLC |
728 |
|
2024-01-03 |
|
| 559-742
| 2 |
|
649C ONVOY, LLC - CA |
728 |
|
|
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| 559-742
| 3 |
|
145J TERRA NOVA TELECOM INC. |
728 |
|
2025-10-16 |
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| 559-742
| 4 |
|
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
728 |
|
2005-08-02 |
|
| 559-742
| 7 |
|
145J TERRA NOVA TELECOM INC. |
728 |
|
2024-12-30 |
|
| 559-742
| 8 |
|
649C ONVOY, LLC - CA |
728 |
|
2019-02-24 |
|
| 559-742
| 9 |
|
649C ONVOY, LLC - CA |
728 |
|
2019-02-24 |
|
| 559-867
| A |
RVDLCA11RS0 |
9740 PACIFIC BELL |
728 |
|
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| 559-867
| 0 |
|
9740 PACIFIC BELL |
728 |
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| 559-867
| 1 |
|
9740 PACIFIC BELL |
728 |
|
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| 559-867
| 2 |
|
145J TERRA NOVA TELECOM INC. |
728 |
|
2021-10-02 |
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| 559-867
| 3 |
|
9740 PACIFIC BELL |
728 |
|
|
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| 559-867
| 4 |
|
9740 PACIFIC BELL |
728 |
|
|
|
| 559-867
| 5 |
|
145J TERRA NOVA TELECOM INC. |
728 |
|
2021-01-09 |
|
| 559-867
| 6 |
|
145J TERRA NOVA TELECOM INC. |
728 |
|
2022-11-03 |
|
| 559-867
| 8 |
|
7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
728 |
|
2022-03-17 |
|
| 559-867
| 9 |
|
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
728 |
|
2020-03-08 |
|
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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