Local Calling Guide
Area code/prefix search
Modesto, CA
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 209-556
| 1 |
MDSTCA03DS0 |
9740 PACIFIC BELL |
738 |
|
|
|
| 209-556
| 2 |
SKTNCAGSGT0 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
738 |
|
2005-07-24 |
|
| 209-556
| 3 |
SKTNCAGSGT0 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
738 |
|
2005-07-24 |
|
| 209-556
| 4 |
MDSTCA03DS0 |
9740 PACIFIC BELL |
738 |
|
|
|
| 209-556
| 5 |
MDSTCA03DS0 |
9740 PACIFIC BELL |
738 |
|
|
|
| 209-556
| 6 |
MDSTCA03DS0 |
9740 PACIFIC BELL |
738 |
|
|
|
| 209-556
| 7 |
SKTNCAGSGT0 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
738 |
|
2005-07-24 |
|
| 209-556
| 8 |
SKTNCAGSGT0 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
738 |
|
2005-07-24 |
|
| 209-556
| 9 |
MDSTCA03DS0 |
9740 PACIFIC BELL |
738 |
|
|
|
| 209-557
| A |
MDSTCA02DS0 |
9740 PACIFIC BELL |
738 |
|
|
|
| 209-557
| 0 |
MDSTCA02DS0 |
9740 PACIFIC BELL |
738 |
|
|
|
| 209-557
| 1 |
MDSTCA02DS0 |
9740 PACIFIC BELL |
738 |
|
|
|
| 209-557
| 2 |
MDSTCA02DS0 |
9740 PACIFIC BELL |
738 |
|
|
|
| 209-557
| 3 |
MDSTCA02DS0 |
9740 PACIFIC BELL |
738 |
|
|
|
| 209-557
| 4 |
MDSTCA02DS0 |
9740 PACIFIC BELL |
738 |
|
|
|
| 209-557
| 5 |
MDSTCA02DS0 |
9740 PACIFIC BELL |
738 |
|
|
|
| 209-557
| 6 |
MDSTCA02DS0 |
9740 PACIFIC BELL |
738 |
|
|
|
| 209-557
| 7 |
SKTNCASLAMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
738 |
|
2023-08-14 |
|
| 209-557
| 8 |
|
649C ONVOY, LLC - CA |
738 |
|
2026-05-02 |
|
| 209-557
| 9 |
MDSTCA02DS0 |
9740 PACIFIC BELL |
738 |
|
|
|
| 209-558
| A |
MDSTCA52RS0 |
9740 PACIFIC BELL |
738 |
|
|
|
| 209-558
| 0 |
MDSTCA52RS0 |
9740 PACIFIC BELL |
738 |
|
|
|
| 209-558
| 1 |
MDSTCA52RS0 |
9740 PACIFIC BELL |
738 |
|
|
|
| 209-558
| 2 |
MDSTCA52RS0 |
9740 PACIFIC BELL |
738 |
|
|
|
| 209-558
| 3 |
MDSTCA52RS0 |
9740 PACIFIC BELL |
738 |
|
|
|
| 209-558
| 4 |
MDSTCA52RS0 |
9740 PACIFIC BELL |
738 |
|
|
|
| 209-558
| 5 |
MDSTCA52RS0 |
9740 PACIFIC BELL |
738 |
|
|
|
| 209-558
| 6 |
MDSTCA52RS0 |
9740 PACIFIC BELL |
738 |
|
|
|
| 209-558
| 7 |
MDSTCA52RS0 |
9740 PACIFIC BELL |
738 |
|
|
|
| 209-558
| 8 |
MDSTCA52RS0 |
9740 PACIFIC BELL |
738 |
|
|
|
| 209-558
| 9 |
MDSTCA52RS0 |
9740 PACIFIC BELL |
738 |
|
|
|
| 209-566
| A |
|
7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA |
738 |
|
|
|
| 209-566
| 0 |
SKTNCA01X6Y |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
738 |
|
2008-09-04 |
|
| 209-566
| 1 |
SKTNCA01X6Y |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
738 |
|
2008-09-04 |
|
| 209-566
| 2 |
|
7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA |
738 |
|
2008-09-04 |
|
| 209-566
| 3 |
SKTOCAOY6MD |
6529 T-MOBILE USA, INC. |
738 |
|
2008-10-23 |
|
| 209-566
| 4 |
SKTOCAOY6MD |
5562 METROPCS, INC. |
738 |
|
2008-11-08 |
|
| 209-566
| 5 |
SKTNCASLAMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
738 |
|
2008-09-06 |
|
| 209-566
| 6 |
SKTOCAOY6MD |
5562 METROPCS, INC. |
738 |
|
2008-11-08 |
|
| 209-566
| 7 |
SKTNCA01XXZ |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
738 |
|
2008-11-15 |
|
| 209-566
| 8 |
|
792K CHARTER IP ENABLED SERVICES, LLC |
738 |
|
2008-12-12 |
|
| 209-566
| 9 |
|
394L COMCAST PHONE OF CALIFORNIA, LLC |
738 |
|
2008-12-18 |
|
| 209-567
| A |
MDSTCA02DS0 |
9740 PACIFIC BELL |
738 |
|
|
|
| 209-567
| 0 |
MDSTCA02DS0 |
9740 PACIFIC BELL |
738 |
|
|
|
| 209-567
| 1 |
MDSTCA02DS0 |
9740 PACIFIC BELL |
738 |
|
|
|
| 209-567
| 2 |
SKTNCA01X6Z |
516C AT&T CORP. |
738 |
|
2010-04-26 |
|
| 209-567
| 3 |
MDSTCA02DS0 |
9740 PACIFIC BELL |
738 |
|
|
|
| 209-567
| 4 |
MDSTCA02DS0 |
9740 PACIFIC BELL |
738 |
|
|
|
| 209-567
| 5 |
MDSTCA02DS0 |
9740 PACIFIC BELL |
738 |
|
|
|
| 209-567
| 6 |
MDSTCA02DS0 |
9740 PACIFIC BELL |
738 |
|
|
|
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Last updated: Tue, 16 Jun 2026 00:09:45 UTC
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