Local Calling Guide
Area code/prefix search
Tucson, AZ
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 520-434
| 7 |
|
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-434
| 8 |
|
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-434
| 9 |
|
9636 QWEST CORPORATION |
668 |
|
|
|
| 520-437
| A |
TCSNAZMAGT0 |
4793 XO ARIZONA, INC. |
668 |
|
|
|
| 520-437
| 0 |
TCSNAZMAGT0 |
4793 XO ARIZONA, INC. |
668 |
|
2006-05-21 |
|
| 520-437
| 1 |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2007-03-09 |
|
| 520-437
| 2 |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2006-06-26 |
|
| 520-437
| 3 |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2006-06-26 |
|
| 520-437
| 4 |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2006-06-26 |
|
| 520-437
| 5 |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2006-06-26 |
|
| 520-437
| 6 |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2006-07-06 |
|
| 520-437
| 7 |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2006-07-22 |
|
| 520-437
| 8 |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2006-07-22 |
|
| 520-437
| 9 |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
2006-07-13 |
|
| 520-440
| A |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-441
| A |
TCSMAZCH1MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
668 |
|
|
|
| 520-441
| 0 |
TCSMAZCH1MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
668 |
|
2010-06-19 |
|
| 520-441
| 1 |
TCSNAZMAVMD |
3285 LEVEL 3 COMMUNICATIONS, LLC - AZ |
668 |
|
2010-08-17 |
|
| 520-441
| 2 |
TCSNAZMAVMD |
3285 LEVEL 3 COMMUNICATIONS, LLC - AZ |
668 |
|
2010-08-17 |
|
| 520-441
| 3 |
TCSNAZMAVMD |
3285 LEVEL 3 COMMUNICATIONS, LLC - AZ |
668 |
|
2010-11-22 |
|
| 520-441
| 4 |
TCSNAZMAVMD |
3285 LEVEL 3 COMMUNICATIONS, LLC - AZ |
668 |
|
2010-12-16 |
|
| 520-441
| 5 |
|
829J PAETEC ITEL, LLC |
668 |
|
2010-07-27 |
|
| 520-441
| 6 |
TCSNAZMAVMD |
3285 LEVEL 3 COMMUNICATIONS, LLC - AZ |
668 |
|
2010-12-16 |
|
| 520-441
| 7 |
TCSNAZMAXHX |
630E ONVOY, LLC - AZ |
668 |
|
2010-11-14 |
|
| 520-441
| 8 |
TCSNAZMAVMD |
3285 LEVEL 3 COMMUNICATIONS, LLC - AZ |
668 |
|
2010-12-16 |
|
| 520-441
| 9 |
TCSNAZMAXCY |
318J COMCAST IP PHONE, LLC |
668 |
|
2011-02-22 |
|
| 520-443
| A |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
|
|
| 520-443
| 0 |
TCSMAZCH1MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
668 |
|
2007-07-28 |
|
| 520-443
| 1 |
TCSMAZCH1MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
668 |
|
2008-03-24 |
|
| 520-443
| 2 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
668 |
|
2008-03-10 |
|
| 520-443
| 3 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
668 |
|
2008-03-10 |
|
| 520-443
| 4 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
668 |
|
2008-03-10 |
|
| 520-443
| 5 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
668 |
|
2025-09-22 |
|
| 520-443
| 6 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
668 |
|
2025-09-22 |
|
| 520-443
| 7 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
668 |
|
2025-09-22 |
|
| 520-443
| 8 |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
668 |
|
2025-09-22 |
|
| 520-443
| 9 |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2007-10-13 |
|
| 520-444
| A |
TCSNAZXGAMD |
6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
668 |
|
|
|
| 520-445
| A |
TCSMAZCH1MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
668 |
|
|
|
| 520-445
| 0 |
TCSMAZCH1MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
668 |
|
2008-04-25 |
|
| 520-445
| 1 |
TCSMAZCH1MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
668 |
|
2008-04-25 |
|
| 520-445
| 2 |
TCSMAZCH1MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
668 |
|
2008-04-25 |
|
| 520-445
| 3 |
TCSNAZMAVMD |
3285 LEVEL 3 COMMUNICATIONS, LLC - AZ |
668 |
|
2008-07-18 |
|
| 520-445
| 4 |
TCSNAZMAVMD |
3285 LEVEL 3 COMMUNICATIONS, LLC - AZ |
668 |
|
2008-07-18 |
|
| 520-445
| 5 |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2008-08-08 |
|
| 520-445
| 6 |
TCSNAZMAXCY |
318J COMCAST IP PHONE, LLC |
668 |
|
2008-07-31 |
|
| 520-445
| 7 |
TCSNAZMAXCY |
318J COMCAST IP PHONE, LLC |
668 |
|
2008-07-31 |
|
| 520-445
| 8 |
TCSNAZMAVMD |
3285 LEVEL 3 COMMUNICATIONS, LLC - AZ |
668 |
|
2008-08-07 |
|
| 520-445
| 9 |
TCSMAZOI3MD |
6529 T-MOBILE USA, INC. |
668 |
|
2008-09-12 |
|
| 520-446
| A |
TCSNAZMAXLX |
6630 SPOK, INC. |
668 |
|
|
|
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Last updated: Sun, 17 May 2026 03:26:51 UTC
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