Local Calling Guide
Area code/prefix search
Milwaukee Zone 1, WI
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 414-231
| 5 |
BRFDWIJZDS0 |
7322 LEVEL 3 TELECOM OF WISCONSIN, LP - WI |
356 |
|
2003-07-06 |
|
| 414-231
| 6 |
BRFDWIJZDS0 |
7322 LEVEL 3 TELECOM OF WISCONSIN, LP - WI |
356 |
|
2003-07-06 |
|
| 414-231
| 7 |
BRFDWIJZDS0 |
7322 LEVEL 3 TELECOM OF WISCONSIN, LP - WI |
356 |
|
2003-07-06 |
|
| 414-231
| 8 |
BRFDWIJZDS0 |
7322 LEVEL 3 TELECOM OF WISCONSIN, LP - WI |
356 |
|
2005-03-22 |
|
| 414-231
| 9 |
MILWWI12XAY |
793K TWC IP ENABLED SERVICES, LLC |
356 |
|
2007-08-31 |
|
| 414-232
| A |
MILXWIILCMD |
6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI |
356 |
|
|
|
| 414-233
| A |
PEWTWICI7MD |
6529 T-MOBILE USA, INC. |
356 |
|
|
|
| 414-233
| 0 |
PEWTWICI7MD |
5562 METROPCS, INC. |
356 |
|
2011-03-17 |
|
| 414-233
| 1 |
PEWTWICI7MD |
5562 METROPCS, INC. |
356 |
|
2011-03-17 |
|
| 414-233
| 2 |
PEWTWICI7MD |
6529 T-MOBILE USA, INC. |
356 |
|
2011-03-17 |
|
| 414-233
| 3 |
PEWTWICI7MD |
6529 T-MOBILE USA, INC. |
356 |
|
2011-03-17 |
|
| 414-233
| 4 |
PEWTWICI7MD |
6529 T-MOBILE USA, INC. |
356 |
|
2011-03-17 |
|
| 414-233
| 5 |
PEWTWICI7MD |
5562 METROPCS, INC. |
356 |
|
2011-03-17 |
|
| 414-233
| 6 |
PEWTWICI7MD |
6529 T-MOBILE USA, INC. |
356 |
|
2011-03-17 |
|
| 414-233
| 7 |
PEWTWICI7MD |
6529 T-MOBILE USA, INC. |
356 |
|
2011-03-17 |
|
| 414-233
| 8 |
PEWTWICI7MD |
6529 T-MOBILE USA, INC. |
356 |
|
2011-03-17 |
|
| 414-233
| 9 |
PEWTWICI7MD |
5562 METROPCS, INC. |
356 |
|
2011-03-17 |
|
| 414-237
| A |
MILWWI13X3X |
6630 SPOK, INC. |
356 |
|
|
|
| 414-238
| A |
MILWWIAUDS1 |
225C ONVOY, LLC - WI |
356 |
|
|
|
| 414-238
| 0 |
MILWWI12XWX |
007F BANDWIDTH.COM CLEC, LLC - WI |
356 |
|
|
|
| 414-238
| 1 |
MILXWIILCMD |
6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI |
356 |
|
2005-07-12 |
|
| 414-238
| 2 |
MILWWI12XBY |
520K TDS METROCOM, LLC |
356 |
|
2005-03-10 |
|
| 414-238
| 3 |
MILXWIILCMD |
6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI |
356 |
|
2005-07-12 |
|
| 414-238
| 4 |
MILXWIILCMD |
6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI |
356 |
|
2005-07-12 |
|
| 414-238
| 5 |
MILXWIILCMD |
6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI |
356 |
|
2005-07-12 |
|
| 414-238
| 6 |
MILWWI12XBY |
520K TDS METROCOM, LLC |
356 |
|
2006-05-01 |
|
| 414-238
| 7 |
MILXWIILCMD |
6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI |
356 |
|
2006-11-06 |
|
| 414-238
| 8 |
MILXWIILCMD |
6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI |
356 |
|
2005-07-12 |
|
| 414-238
| 9 |
MILWWIAUDS1 |
225C ONVOY, LLC - WI |
356 |
|
|
|
| 414-239
| A |
MILXWIILCMD |
6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI |
356 |
|
|
|
| 414-239
| 0 |
MILXWIILCMD |
6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI |
356 |
|
2011-03-21 |
|
| 414-239
| 1 |
MILXWIILCMD |
6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI |
356 |
|
2011-03-21 |
|
| 414-239
| 2 |
MILXWIILCMD |
6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI |
356 |
|
2012-06-22 |
|
| 414-239
| 3 |
MILXWIILCMD |
6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI |
356 |
|
2012-07-13 |
|
| 414-239
| 4 |
MILXWIILCMD |
6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI |
356 |
|
2012-07-13 |
|
| 414-239
| 5 |
MILXWIILCMD |
6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI |
356 |
|
2012-07-25 |
|
| 414-239
| 6 |
MILWWI12X8Y |
829J PAETEC ITEL, LLC |
356 |
|
2011-03-29 |
|
| 414-239
| 7 |
MILWWI12X8Y |
829J PAETEC ITEL, LLC |
356 |
|
2011-03-29 |
|
| 414-239
| 8 |
MILWWIHEWMD |
516C AT&T CORP. |
356 |
|
2011-04-14 |
|
| 414-239
| 9 |
MILWWI12XWX |
007F BANDWIDTH.COM CLEC, LLC - WI |
356 |
|
2011-06-16 |
|
| 414-240
| A |
MILWWIAUDS1 |
225C ONVOY, LLC - WI |
356 |
|
|
|
| 414-240
| 0 |
MILWWIAUDS1 |
225C ONVOY, LLC - WI |
356 |
|
2016-01-18 |
|
| 414-240
| 1 |
MILWWIAUDS1 |
225C ONVOY, LLC - WI |
356 |
|
2016-01-18 |
|
| 414-240
| 2 |
MILWWIAUDS1 |
225C ONVOY, LLC - WI |
356 |
|
2016-01-18 |
|
| 414-240
| 3 |
MILWWIAUDS1 |
225C ONVOY, LLC - WI |
356 |
|
2016-01-18 |
|
| 414-240
| 4 |
MILWWIAUDS1 |
225C ONVOY, LLC - WI |
356 |
|
2016-01-18 |
|
| 414-240
| 5 |
MILWWIAUDS1 |
225C ONVOY, LLC - WI |
356 |
|
2016-01-18 |
|
| 414-240
| 6 |
MILWWIAUDS1 |
225C ONVOY, LLC - WI |
356 |
|
2016-01-18 |
|
| 414-240
| 7 |
MILWWIAUDS1 |
225C ONVOY, LLC - WI |
356 |
|
2016-01-18 |
|
| 414-240
| 8 |
MILWWIAUDS1 |
225C ONVOY, LLC - WI |
356 |
|
2016-01-18 |
|
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Last updated: Thu, 16 Jul 2026 02:21:55 UTC
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