Local Calling Guide
Area code/prefix search
NPA: 650
[Rate centres in NPA 650]
[Dial plan for NPA 650]
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| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 650-570
| 8 |
San Mateo |
CA |
SNFCCAMKX1X |
9262 UTILITY TELECOM GROUP, LLC - CA |
722 |
|
|
|
| 650-570
| 9 |
San Mateo |
CA |
SNFCCAMKX1X |
9262 UTILITY TELECOM GROUP, LLC - CA |
722 |
|
|
|
| 650-571
| A |
San Mateo |
CA |
SNMTCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-571
| 0 |
San Mateo |
CA |
SNMTCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-571
| 1 |
San Mateo |
CA |
SNMTCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-571
| 2 |
San Mateo |
CA |
SNMTCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-571
| 3 |
San Mateo |
CA |
SNFCCAMKX1X |
9262 UTILITY TELECOM GROUP, LLC - CA |
722 |
|
|
|
| 650-571
| 4 |
San Mateo |
CA |
SNFCCAMKX1X |
9262 UTILITY TELECOM GROUP, LLC - CA |
722 |
|
|
|
| 650-571
| 5 |
San Mateo |
CA |
SNMTCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-571
| 6 |
San Mateo |
CA |
SNMTCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-571
| 7 |
San Mateo |
CA |
SNMTCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-571
| 8 |
San Mateo |
CA |
SNMTCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-571
| 9 |
San Mateo |
CA |
SNMTCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-572
| A |
San Mateo |
CA |
SNMTCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-573
| A |
San Mateo |
CA |
SNMTCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-574
| A |
San Mateo |
CA |
SNMTCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-574
| 0 |
San Mateo |
CA |
SNMTCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-574
| 1 |
San Mateo |
CA |
SNMTCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-574
| 2 |
San Mateo |
CA |
SNMTCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-574
| 3 |
San Mateo |
CA |
SNMTCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-574
| 4 |
San Mateo |
CA |
SNMTCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-574
| 5 |
San Mateo |
CA |
SNMTCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-574
| 6 |
San Mateo |
CA |
SNMTCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-574
| 7 |
San Mateo |
CA |
SNMTCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-574
| 8 |
San Mateo |
CA |
SNMTCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-574
| 9 |
San Mateo |
CA |
|
145J TERRA NOVA TELECOM INC. |
722 |
|
2021-01-07 |
|
| 650-575
| A |
Palo Alto |
CA |
SNTDCAUJCM9 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
|
|
| 650-576
| A |
San Mateo |
CA |
SNTDCAUJCM9 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
|
|
| 650-577
| A |
San Mateo |
CA |
SNMTCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-577
| 0 |
San Mateo |
CA |
SNMTCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-577
| 1 |
San Mateo |
CA |
SNMTCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-577
| 2 |
San Mateo |
CA |
SNMTCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-577
| 3 |
San Mateo |
CA |
SNFCCAMKX1X |
9262 UTILITY TELECOM GROUP, LLC - CA |
722 |
|
2008-12-08 |
|
| 650-577
| 4 |
San Mateo |
CA |
SNMTCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-577
| 5 |
San Mateo |
CA |
SNMTCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-577
| 6 |
San Mateo |
CA |
SNMTCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-577
| 7 |
San Mateo |
CA |
SNMTCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-577
| 8 |
San Mateo |
CA |
SNMTCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-577
| 9 |
San Mateo |
CA |
SNMTCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-578
| A |
San Mateo |
CA |
SNMTCA11DS1 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-579
| A |
San Mateo |
CA |
BRLNCA01DS0 |
9740 PACIFIC BELL |
722 |
|
|
|
| 650-580
| A |
South San Francisco |
CA |
SNTDCAUJCM9 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
722 |
|
|
|
| 650-581
| A |
San Mateo |
CA |
SNFCCAFJDS0 |
7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
722 |
|
|
|
| 650-581
| 0 |
San Mateo |
CA |
SNRTCAHFDS0 |
433E SONIC TELECOM, LLC - CA |
722 |
|
2012-12-22 |
|
| 650-581
| 1 |
San Mateo |
CA |
OKLDCA03XOY |
318J COMCAST IP PHONE, LLC |
722 |
|
|
|
| 650-581
| 2 |
San Mateo |
CA |
SNFCCAFJDS0 |
7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
722 |
|
|
|
| 650-581
| 3 |
San Mateo |
CA |
SNFCCAFJDS0 |
7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
722 |
|
|
|
| 650-581
| 4 |
San Mateo |
CA |
SNFCCAFJDS0 |
7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
722 |
|
|
|
| 650-581
| 5 |
San Mateo |
CA |
SNFCCAFJDS0 |
7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
722 |
|
|
|
| 650-581
| 6 |
San Mateo |
CA |
SNFCCAFJDS0 |
7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
722 |
|
|
|
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Last updated: Wed, 04 Mar 2026 03:00:52 UTC
Sponsored by: VoIP Much Phone Company
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