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 |
| 203-512
| A |
Danbury |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
|
|
| 203-513
| A |
Huntington |
CT |
NWHNCT02X5X |
7421 AT&T - LOCAL |
920 |
|
|
|
| 203-514
| A |
Meriden |
CT |
HRFRCTCRDS0 |
7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT |
920 |
|
|
|
| 203-515
| A |
Norwalk |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2024-02-09 |
|
| 203-516
| A |
Ansonia-Derby |
CT |
SMFRCTQI9MD |
3493 GLOBAL CROSSING LOCAL SERVICES, INC. - CT |
920 |
|
|
|
| 203-517
| A |
Stamford |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
|
|
| 203-518
| A |
Waterbury |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
|
|
| 203-519
| A |
Waterbury |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
|
|
| 203-520
| A |
Bridgeport |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
|
|
| 203-521
| A |
Bridgeport |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
|
|
| 203-522
| A |
Bridgeport |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
|
|
| 203-523
| A |
Norwalk |
CT |
HRFRCTCRDS0 |
7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT |
920 |
|
|
|
| 203-524
| A |
Stamford |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
|
|
| 203-525
| A |
Waterbury |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
|
|
| 203-526
| A |
Bridgeport |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
|
|
| 203-527
| A |
Waterbury |
CT |
PRSPCT00RS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-528
| A |
Waterbury |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
|
|
| 203-529
| A |
Wilton |
CT |
NWHNCT02X5X |
7421 AT&T - LOCAL |
920 |
|
|
|
| 203-530
| A |
New Haven |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
|
|
| 203-531
| A |
Byram |
CT |
PTCHNYPCDS0 |
9104 VERIZON NEW YORK, INC. |
132 |
|
|
|
| 203-532
| A |
Byram |
CT |
PTCHNYPCDS0 |
9104 VERIZON NEW YORK, INC. |
132 |
|
|
|
| 203-533
| A |
Guilford |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
|
|
| 203-534
| A |
Bridgeport |
CT |
BRPTCT01DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-535
| A |
New Haven |
CT |
HRFRCTCR3MD |
318J COMCAST IP PHONE, LLC |
920 |
|
|
|
| 203-536
| A |
Stamford |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
|
|
| 203-537
| A |
Meriden |
CT |
|
5562 METROPCS, INC. |
920 |
|
|
|
| 203-538
| A |
Huntington |
CT |
HRFRCT0370Z |
2706 CHOICE ONE COMMUNICATIONS, INC. - CT |
920 |
|
|
|
| 203-539
| A |
Stamford |
CT |
SMFRCT01DS2 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-540
| A |
Bridgeport |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
|
|
| 203-541
| A |
Stamford |
CT |
SMFRCT01DS2 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-542
| A |
Greenwich |
CT |
WHPLNYWPX3X |
7421 AT&T - LOCAL |
132 |
|
|
|
| 203-543
| A |
Bridgeport |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
|
|
| 203-544
| A |
Georgetown |
CT |
GRTWCT00RS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-545
| A |
Bridgeport |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
|
|
| 203-546
| A |
Danbury |
CT |
HRFRCTCRDS0 |
7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT |
920 |
|
|
|
| 203-547
| A |
Stamford |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
|
|
| 203-548
| A |
Stamford |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
|
|
| 203-549
| A |
Bridgeport |
CT |
HRFRCT0370Z |
2706 CHOICE ONE COMMUNICATIONS, INC. - CT |
920 |
|
|
|
| 203-550
| A |
Stamford |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
|
|
| 203-551
| A |
Bridgeport |
CT |
HRFRCTCRDS0 |
7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT |
920 |
|
|
|
| 203-552
| A |
Byram |
CT |
GNWCCTGNDS0 |
9104 VERIZON NEW YORK, INC. |
132 |
|
|
|
| 203-553
| A |
New Haven |
CT |
NWHNCT03DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-554
| A |
Stamford |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
|
|
| 203-556
| A |
Bridgeport |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
|
|
| 203-557
| A |
Westport |
CT |
NRWLCT02YMD |
4950 CABLEVISION LIGHTPATH, INC. - CT |
920 |
|
|
|
| 203-558
| A |
Waterbury |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
|
|
| 203-559
| A |
Darien |
CT |
HRFRCTCRDS0 |
7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT |
920 |
|
|
|
| 203-560
| A |
Waterbury |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
|
|
| 203-561
| A |
Stamford |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
|
|
| 203-562
| A |
New Haven |
CT |
NWHNCT03DS3 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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