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Area Codes > 401 > Central Office Codes

Exchange Rate Center State Operating Company
401-550 RI VERIZON NEW ENGLAND INC.
401-551 NEWPORT RI AT&T LOCAL
401-552 CAROLINA RI RNK, INC.
401-553 PROVIDENCE RI VERIZON NEW ENGLAND INC.
401-554 LTLCOMPTON RI GLOBAL NAPS, INC. - RI
401-555 DIR ASST RI MULTIPLE OCN LISTING
401-556 PROVIDENCE RI NEW CINGULAR WIRELESS PCS, LLC - MA
401-558 GREENWICH RI CHOICE ONE COMMUNICATIONS OF RHODE ISLAND, INC.
401-559 PROVIDENCE RI SPRINT SPECTRUM L.P.
401-560 JAMESTOWN RI COX RHODE ISLAND TELECOM INC
401-561 WARREN RI GLOBAL NAPS, INC. - RI
401-562 WARWICK RI PAETEC COMMUNICATIONS, INC. - RI
401-563 PROVIDENCE RI VERIZON NEW ENGLAND INC.
401-565 BRISTOL RI GLOBAL NAPS, INC. - RI
401-566 JAMESTOWN RI LEVEL 3 COMMUNICATIONS - RI
401-567 PASCOAG RI VERIZON NEW ENGLAND INC.
401-568 PASCOAG RI VERIZON NEW ENGLAND INC.
401-569 PROVIDENCE RI NEW CINGULAR WIRELESS PCS, LLC - MA
401-572 PROVIDENCE RI VERIZON NEW ENGLAND INC.
401-573 PROVIDENCE RI NEW CINGULAR WIRELESS PCS, LLC - MA
401-574 PROVIDENCE RI VERIZON NEW ENGLAND INC.
401-575 PROVIDENCE RI VERIZON NEW ENGLAND INC.
401-578 PROVIDENCE RI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI
401-579 WOONSOCKET RI GLOBAL NAPS, INC. - RI
401-580 PROVIDENCE RI NEW CINGULAR WIRELESS PCS, LLC - MA
401-581 WOONSOCKET RI VERIZON NEW ENGLAND INC.
401-582 WOONSOCKET RI VERIZON NEW ENGLAND INC.
401-583 NO KINGSTN RI CHOICE ONE COMMUNICATIONS OF RHODE ISLAND, INC.
401-584 WESTERLY RI RNK, INC.
401-586 W WARWICK RI CONVERSENT COMMUNICATIONS OF RHODE ISLAND, LLC
401-588 PROVIDENCE RI VERIZON NEW ENGLAND INC.
401-589 W WARWICK RI PAETEC COMMUNICATIONS, INC. - RI
401-590 PAWTUCKET RI GLOBAL NAPS, INC. - RI
401-592 LTLCOMPTON RI COX RHODE ISLAND TELECOM INC
401-593 WARWICK RI GLOBAL NAPS, INC. - RI
401-594 NARRAGNSTT RI RNK, INC.
401-595 PROVIDENCE RI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI
401-596 WESTERLY RI VERIZON NEW ENGLAND INC.
401-597 WOONSOCKET RI COX RHODE ISLAND TELECOM INC
401-598 PROVIDENCE RI VERIZON NEW ENGLAND INC.
401-599 TIVERTON RI CONVERSENT COMMUNICATIONS OF RHODE ISLAND, LLC
401-603 PROVIDENCE RI YMAX COMMUNICATIONS CORP. - RI
401-604 WESTERLY RI CHOICE ONE COMMUNICATIONS OF RHODE ISLAND, INC.
401-608 NEWPORT RI PAETEC COMMUNICATIONS, INC. - RI
401-610 COVENTRY RI AT&T LOCAL
401-611 RI
401-614 NARRAGNSTT RI GLOBAL NAPS, INC. - RI
401-615 W WARWICK RI COX RHODE ISLAND TELECOM INC
401-616 PAWTUCKET RI CTC COMMUNICATIONS - RI
401-617 PAWTUCKET RI SPRINT SPECTRUM L.P.
401-619 NEWPORT RI COX RHODE ISLAND TELECOM INC
401-620 WESTERLY RI GLOBAL NAPS, INC. - RI
401-621 PROVIDENCE RI VERIZON NEW ENGLAND INC.
401-622 WESTERLY RI LEVEL 3 COMMUNICATIONS - RI
401-623 COVENTRY RI NEXTEL COMMUNICATIONS, INC.
401-624 TIVERTON RI VERIZON NEW ENGLAND INC.
401-625 TIVERTON RI VERIZON NEW ENGLAND INC.
401-626 PROVIDENCE RI LEVEL 3 COMMUNICATIONS - RI
401-627 CENTREDALE RI NECLEC, LLC
401-628 WARREN RI CHOICE ONE COMMUNICATIONS OF RHODE ISLAND, INC.
401-629 NEWPORT RI GLOBAL NAPS, INC. - RI
401-632 PROVIDENCE RI COX RHODE ISLAND TELECOM INC
401-633 PROVIDENCE RI BROADVIEW NETWORKS, INC. - RI
401-635 LTLCOMPTON RI VERIZON NEW ENGLAND INC.
401-636 WOONSOCKET RI NEW CINGULAR WIRELESS PCS, LLC - MA
401-637 WESTERLY RI VERIZON NEW ENGLAND INC.
401-638 BRISTOL RI GLOBAL NAPS, INC. - RI
401-639 PROVIDENCE RI NEXTEL COMMUNICATIONS, INC.
401-640 PROVIDENCE RI NEXTEL COMMUNICATIONS, INC.
401-641 PROVIDENCE RI NEXTEL COMMUNICATIONS, INC.
401-642 PAWTUCKET RI BROOKS FIBER COMMUNICATIONS - RHODE ISLAND
401-643 PORTSMOUTH RI PAETEC COMMUNICATIONS, INC. - RI
401-644 PROVIDENCE RI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI
401-645 HOPEVALLEY RI TELEPORT COMMUNICATIONS GROUP - RI
401-646 HOPEVALLEY RI RNK, INC.
401-647 SCITUATE RI VERIZON NEW ENGLAND INC.
401-648 PROVIDENCE RI RNK, INC.
401-649 PROVIDENCE RI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI
401-651 WOONSOCKET RI NEW CINGULAR WIRELESS PCS, LLC - MA
401-652 WOONSOCKET RI TELEPORT COMMUNICATIONS GROUP - RI
401-653 NO KINGSTN RI GLOBAL NAPS, INC. - RI
401-654 PROVIDENCE RI NEW CINGULAR WIRELESS PCS, LLC - MA
401-655 BRISTOL RI LEVEL 3 COMMUNICATIONS, LLC
401-656 WESTERLY RI CONVERSENT COMMUNICATIONS OF RHODE ISLAND, LLC
401-658 CUMBLND HL RI VERIZON NEW ENGLAND INC.
401-659 CUMBLND HL RI CHOICE ONE COMMUNICATIONS OF RHODE ISLAND, INC.
401-660 CUMBLND HL RI GLOBAL NAPS, INC. - RI
401-661 NARRAGNSTT RI BROOKS FIBER COMMUNICATIONS - RHODE ISLAND
401-662 NEWPORT RI OMNIPOINT MIAMI E LICENSE, LLC
401-663 PAWTUCKET RI OMNIPOINT MIAMI E LICENSE, LLC
401-665 WOONSOCKET RI VERIZON NEW ENGLAND INC.
401-667 NO KINGSTN RI COX RHODE ISLAND TELECOM INC
401-671 WOONSOCKET RI CONVERSENT COMMUNICATIONS OF RHODE ISLAND, LLC
401-673 CUMBLND HL RI GLOBAL NAPS, INC. - RI
401-675 NARRAGNSTT RI PAETEC COMMUNICATIONS, INC. - RI
401-676 PASCOAG RI GLOBAL NAPS, INC. - RI
401-677 HOPEVALLEY RI OMNIPOINT MIAMI E LICENSE, LLC
401-678 PASCOAG RI OMNIPOINT MIAMI E LICENSE, LLC
401-679 PROVIDENCE RI GLOBAL NAPS, INC. - RI
401-680 PROVIDENCE RI BANDWIDTH.COM CLEC, LLC - RI