Local Calling Guide
Area code/prefix search
Norwalk, CT
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 203-604
| 6 |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2005-11-03 |
|
| 203-604
| 7 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2011-08-18 |
|
| 203-604
| 8 |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2002-07-16 |
|
| 203-604
| 9 |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2005-06-04 |
|
| 203-613
| A |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
2024-02-09 |
|
| 203-613
| 0 |
MDTWCTNIBMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2014-06-13 |
|
| 203-613
| 1 |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
|
|
| 203-613
| 2 |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
|
|
| 203-613
| 3 |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
|
|
| 203-613
| 4 |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
|
|
| 203-613
| 5 |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
|
|
| 203-613
| 6 |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
|
|
| 203-613
| 7 |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
|
|
| 203-613
| 8 |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
|
|
| 203-613
| 9 |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
|
|
| 203-642
| A |
SMFRCTDSDS0 |
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
|
|
| 203-642
| 0 |
SMFRCTDSDS0 |
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
|
|
| 203-642
| 1 |
SMFRCTDSDS0 |
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
|
|
| 203-642
| 2 |
SMFRCTDSDS0 |
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
|
|
| 203-642
| 3 |
NRWLCT02SMD |
612K CSC VOICE, LLC |
920 |
|
2006-11-13 |
|
| 203-642
| 4 |
NRWLCT02SMD |
612K CSC VOICE, LLC |
920 |
|
2003-07-21 |
|
| 203-642
| 5 |
SMFRCTDSDS0 |
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
|
|
| 203-642
| 6 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2014-12-05 |
|
| 203-642
| 7 |
SMFRCTDSDS0 |
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
|
|
| 203-642
| 8 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2014-01-09 |
|
| 203-642
| 9 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2014-01-09 |
|
| 203-644
| A |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
|
|
| 203-644
| 0 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
|
|
| 203-644
| 1 |
HRFRCT03Y5X |
829J PAETEC ITEL, LLC |
920 |
|
2004-06-06 |
|
| 203-644
| 2 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
|
|
| 203-644
| 3 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2004-08-02 |
|
| 203-644
| 4 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
|
|
| 203-644
| 5 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2005-01-04 |
|
| 203-644
| 6 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2005-02-07 |
|
| 203-644
| 7 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2005-06-03 |
|
| 203-644
| 8 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2005-07-03 |
|
| 203-644
| 9 |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
|
|
| 203-663
| A |
HRFRCT03Y0X |
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-663
| 0 |
HRFRCT03Y0X |
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-663
| 1 |
HRFRCT03Y0X |
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-663
| 2 |
HRFRCT03Y0X |
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-663
| 3 |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2011-10-13 |
|
| 203-663
| 4 |
HRFRCT03Y0X |
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-663
| 5 |
HRFRCT03Y0X |
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-663
| 6 |
HRFRCT03Y0X |
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-663
| 7 |
HRFRCT03Y0X |
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-663
| 8 |
HRFRCT03Y0X |
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-663
| 9 |
HRFRCT03Y0X |
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-722
| A |
MDTWCTNIBMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
|
|
| 203-750
| A |
NRWLCT03DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
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|
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Last updated: Tue, 01 Sep 2026 00:40:05 UTC
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