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NPA: 603 [Rate centres in NPA 603] [Dial plan for NPA 603]

Block: A

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-200 A Newmarket NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-202 A Concord NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-203 A Manchester NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-204 A Nashua NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-205 A Portsmouth NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-206 A Manchester NH   829J PAETEC ITEL, LLC 122   2025-04-30   
603-207 A Derry NH MNCHNHCOX9Z  637E ONVOY, LLC - NH 122      
603-208 A Lyme NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-209 A Keene NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      
603-210 A Suncook NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-212 A Salem NH SALMNHNBDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-213 A Milford NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-214 A Errol NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-215 A Berlin NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-216 A Derry NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-217 A Bristol NH MNCHNHACAMD  6386 BELL ATLANTIC MOBILE, INC 122      
603-218 A Manchester NH   829J PAETEC ITEL, LLC 122   2025-04-30   
603-219 A Concord NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-221 A Nashua NH NASHNHGRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-222 A Manchester NH MNCHNHCODS2  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-223 A Concord NH CNCRNHSODS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-224 A Concord NH CNCRNHSODS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-225 A Concord NH CNCRNHSODS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-226 A Concord NH CNCRNHSODS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-227 A Concord NH CNCRNHSODS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-228 A Concord NH CNCRNHSODS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-229 A Concord NH CNCRNHSODS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-230 A Concord NH CNCRNHSODS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-231 A Derry NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-232 A Manchester NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-233 A Nashua NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-234 A Derry NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122   2024-02-09   
603-235 A Derry NH MNCHNHCOCM1  6889 OMNIPOINT MIAMI E LICENSE, LLC 122      
603-236 A Campton NH WVVYNHMRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-237 A Colebrook NH CLBKNHMARS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-238 A Plymouth NH   829J PAETEC ITEL, LLC 122   2025-04-30   
603-239 A Winchester NH WNCHNHMIRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-240 A Manchester NH MNCHNHCODS2  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-241 A Dover NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-242 A Troy NH TROYNHPRRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-243 A Woodsville NH MNCHNHCO43Z  792K CHARTER IP ENABLED SERVICES, LLC 122      
603-244 A Raymond NH MNCHNHIE6MD  318J COMCAST IP PHONE, LLC 122      
603-245 A Portsmouth NH PTMONHISDS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-246 A West Stewartstown NH WSTWNHBSRS1  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-247 A Derry NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122      
603-248 A Dover NH DOVRNHTHDS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-249 A Milford NH MLFRNHSODS0  5113 CONSOLIDATED COMM OF NO. NEW ENGLAND-NH 122      
603-250 A Center Harbor NH PTMONH073MD  8468 FREEDOM RING COMMUNICATIONS, LLC 122      
603-251 A Charlestown NH   829J PAETEC ITEL, LLC 122   2025-04-30   
603-252 A West Lebanon NH MNCHNHCOX4Z  6290 UNITED STATES CELLULAR - NH 122      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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