Local Calling Guide
Area code/prefix search
NPA: 203
[Rate centres in NPA 203]
[Dial plan for NPA 203]
Block: A
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 203-563
| A |
Wilton |
CT |
WLTOCT00DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-564
| A |
Stamford |
CT |
NWHNCT02X5X |
7421 AT&T - LOCAL |
920 |
|
|
|
| 203-565
| A |
Waterbury |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
2024-02-09 |
|
| 203-566
| A |
Stamford |
CT |
SMFRCTDSDS0 |
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
|
|
| 203-567
| A |
Huntington |
CT |
SMFRCTATXMD |
3083 PAETEC COMMUNICATIONS, LLC - CT |
920 |
|
|
|
| 203-568
| A |
Waterbury |
CT |
SMFRCTATXMD |
3083 PAETEC COMMUNICATIONS, LLC - CT |
920 |
|
|
|
| 203-569
| A |
Stamford |
CT |
NRWLCT02YMD |
4950 CABLEVISION LIGHTPATH, INC. - CT |
920 |
|
|
|
| 203-570
| A |
Stamford |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
|
|
| 203-571
| A |
Westport |
CT |
NWHNCT02X5X |
7421 AT&T - LOCAL |
920 |
|
|
|
| 203-572
| A |
Bridgeport |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
|
|
| 203-573
| A |
Waterbury |
CT |
WTRBCT00DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-574
| A |
Waterbury |
CT |
WTRBCT00DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-575
| A |
Waterbury |
CT |
WTRBCT00DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-576
| A |
Bridgeport |
CT |
BRPTCT01DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-577
| A |
Waterbury |
CT |
MDLBCT00RS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-578
| A |
Waterbury |
CT |
WTRBCT00DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-579
| A |
Bridgeport |
CT |
BRPTCT01DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-580
| A |
Byram |
CT |
NYCMNYZRDBS |
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
132 |
|
|
|
| 203-581
| A |
Bridgeport |
CT |
BRPTCT01DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-582
| A |
New Haven |
CT |
HMDNCT00DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-583
| A |
Bridgeport |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
|
|
| 203-584
| A |
New Haven |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
|
|
| 203-585
| A |
Stamford |
CT |
SMFRCT01DS2 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-586
| A |
Woodbury |
CT |
HRFRCTCRDS0 |
7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT |
920 |
|
|
|
| 203-587
| A |
Georgetown |
CT |
NRWLCT02SMD |
4950 CABLEVISION LIGHTPATH, INC. - CT |
920 |
|
|
|
| 203-588
| A |
Stamford |
CT |
NRWLCT02YMD |
4950 CABLEVISION LIGHTPATH, INC. - CT |
920 |
|
|
|
| 203-589
| A |
New Haven |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2024-02-09 |
|
| 203-590
| A |
Trumbull |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
|
|
| 203-591
| A |
Waterbury |
CT |
WTRBCT00DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-592
| A |
Waterbury |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
|
|
| 203-593
| A |
Norwalk |
CT |
HRFRCT0380Z |
6630 USA MOBILITY WIRELESS, INC. |
920 |
|
|
|
| 203-594
| A |
New Canaan |
CT |
NRWLCT02YMD |
4950 CABLEVISION LIGHTPATH, INC. - CT |
920 |
|
|
|
| 203-595
| A |
Stamford |
CT |
SMFRCT02DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-596
| A |
Waterbury |
CT |
WTRBCT00DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-597
| A |
Waterbury |
CT |
WTRBCT00DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-598
| A |
Waterbury |
CT |
MDLBCT00RS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-599
| A |
Meriden |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
|
|
| 203-600
| A |
Meriden |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
|
|
| 203-601
| A |
Trumbull |
CT |
HRFRCTCRDS0 |
7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT |
920 |
|
|
|
| 203-602
| A |
Stamford |
CT |
SMFRCT01DS2 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-603
| A |
New Haven |
CT |
NWHNCT03DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-604
| A |
Norwalk |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
|
|
| 203-605
| A |
New Haven |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
|
|
| 203-606
| A |
New Haven |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
|
|
| 203-607
| A |
Stamford |
CT |
SMFRCTDSDS0 |
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
|
|
| 203-608
| A |
Meriden |
CT |
SMFRCTATXMD |
3083 PAETEC COMMUNICATIONS, LLC - CT |
920 |
|
|
|
| 203-609
| A |
Stamford |
CT |
SMFRCT02DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-610
| A |
Bridgeport |
CT |
NWHNCT030MD |
3722 CONVERSENT COMMUNICATIONS OF CONNECTICUT, LLC - CT |
920 |
|
|
|
| 203-612
| A |
Bridgeport |
CT |
SMFRCTQI9MD |
3493 GLOBAL CROSSING LOCAL SERVICES, INC. - CT |
920 |
|
|
|
| 203-613
| A |
Norwalk |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
2024-02-09 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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