Local Calling Guide
Area code/prefix search
NPA: 661
[Rate centres in NPA 661]
[Dial plan for NPA 661]
NXX: 522
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 661-522
| A |
Lancaster |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
|
|
| 661-522
| 0 |
Lancaster |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2015-04-09 |
|
| 661-522
| 1 |
Lancaster |
CA |
ANHMCACLCM6 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2015-04-10 |
|
| 661-522
| 2 |
Lancaster |
CA |
ANHMCACLCM6 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2015-04-10 |
|
| 661-522
| 3 |
Lancaster |
CA |
SNMNCAXP2MD |
793K TWC IP ENABLED SERVICES, LLC |
730 |
|
2015-06-04 |
|
| 661-522
| 4 |
Lancaster |
CA |
SNMNCAXP2MD |
793K TWC IP ENABLED SERVICES, LLC |
730 |
|
2015-08-20 |
|
| 661-522
| 5 |
Lancaster |
CA |
SNMNCAXP2MD |
793K TWC IP ENABLED SERVICES, LLC |
730 |
|
2015-11-16 |
|
| 661-522
| 6 |
Lancaster |
CA |
LSANCA03DS3 |
7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
730 |
|
2015-09-08 |
|
| 661-522
| 7 |
Lancaster |
CA |
SNMNCAXPX3Z |
649C ONVOY, LLC - CA |
730 |
|
2015-09-28 |
|
| 661-522
| 8 |
Lancaster |
CA |
SNMNCAXPX3Z |
649C ONVOY, LLC - CA |
730 |
|
2015-09-28 |
|
| 661-522
| 9 |
Lancaster |
CA |
|
515J IP HORIZON LLC |
730 |
|
2015-09-19 |
|
Last updated: Thu, 16 Jul 2026 02:21:55 UTC
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